Overview
Campaign field sites typically host instruments deployed temporarily for a field campaign. These sites and their instruments are managed by different organizations, and they often have a specific name and GPS coordinates. After a campaign ends, the instruments are usually returned to their home base until they are needed again.
Online information
Related Campaigns & Instruments
Review the instruments operated on this platform for each of these field campaigns
Slide 1 of 104
Carbon in Arctic Reservoirs Vulnerability Experiment
2012—2015
Alaska
view all deployment dates
4 Deployments
· 26 Data Products| 2012-05-23 | 2012-10-30 |
| 2013-02-05 | 2013-11-25 |
| 2015-02-10 | 2015-11-12 |
| 2014-02-13 | 2014-11-09 |
The Picarro gas concentration analyzer is an in situ airborne or ground-based sensor manufactured by Picarro, Inc. It uses Wavelength-Scanned Cavity Ring Spectroscopy (WS-CRDS) to measure trace gases such as carbon dioxide, carbon monoxide, methane, and water vapor. For carbon dioxide measurements, the laser within Picarro operates at 1603 nm wavelength, while 1651 nm wavelength is used for methane and water vapor measurements. Picarro has a typical sampling time of 2.5 seconds. Depending on the model, Picarro can also provide measurements of carbon isotopes for gas concentrations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
The Programmable Flask Package (PFP) is an airborne whole-air sampler. It includes twelve glass flasks for collecting air samples. These samples are then analyzed to monitor chemical species such as carbon monoxide, carbon dioxide, methane, nitrous oxide, hydrocarbons, and chlorofluorocarbons. Each flask is sampled for about 2 minutes and pressurized to 40 PSI. PFP can also be utilized for surface-based whole-air sampling.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Hydrofluorocarbons
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Carbonyl Sulfide
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Hydrochlorofluorocarbons
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Chlorofluorocarbons
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Eddy Covariance Flux Towers are in situ micrometeorological surface towers. They are equipped with gas sensors to continuously measure the trace gas fluxes between the land surface and the atmosphere. Eddy Covariance Towers are typically used to measure fluxes for carbon dioxide (CO2), methane (CH4), and water vapor (H2O). These towers are also equipped with various meteorological sensors to measure air temperature, precipitation, winds, radiation, and soil temperature.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
Earth Science > Atmosphere > Atmospheric Winds
Earth Science > Atmosphere > Precipitation
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Photosynthetically Active Radiation (PAR) Sensors are in situ optical devices used to study photosynthesis and plant physiology. They detect light between 400 and 700 nm and convert it into signals for PAR measurement. PAR sensors can be mounted on ground-based or water-based platforms or be portable and handheld. They are primarily used in agriculture, such as monitoring crop growth and analyzing light distribution in plant canopies, but they are also employed to study phytoplankton and aquatic productivity.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Oceans > Ocean Optics > Photosynthetically Active Radiation
The Los Gatos Research (LGR) Greenhouse Gas Analyzer (GGA) is a portable analyzer suitable for in situ measurements, either airborne or ground-based. It utilizes off-axis integrated cavity output spectroscopy (OA-ICOS) technology to simultaneously measure methane (CH4), carbon dioxide (CO2), and water vapor (H2O). It can detect CH4 levels up to 100 ppm, CO2 up to 20,000 ppm, and H2O up to 30,000 ppm. The device offers a selectable measurement rate ranging from 0.01 to 1 Hz, with some models featuring a fast flow option capable of rates up to 10 Hz.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
Integrated Precipitation and Hydrology Experiment
2014
Southern Appalachians, including portions of North Carolina, South Carolina, Tennessee, Georgia
view all deployment dates
1 Deployment
· 47 Data Products| 2014-05-01 | 2014-06-15 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
The Two-Dimensional Video Disdrometer (2DVD) is a stationary, ground-based optical disdrometer. It has two line-scan cameras that continuously measure various precipitation properties such as droplet shape, fall velocity, and size distribution. The 2DVD precisely measures all precipitation particles larger than 0.2 mm in diameter, making it suitable for various precipitation studies.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
The Autonomous Parsivel Unit (APU) is an in situ ground-based optical disdrometer. APU measures the size and fall velocity of hydrometeors with a range of 0-25 mm in size and 0-20 m/s in fall speed. Using these measurements, the drop size distribution, type, intensity, and amount of precipitation can be determined. APU operates in the 650-780 nm wavelength range and typically samples every 10 seconds.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Precipitation Amount
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar that was developed for NASA’s Global Precipitation Measurement (GPM) mission Ground The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar developed for NASA’s Global Precipitation Measurement (GPM) mission Ground Validation (GV) program. D3R measures radar backscatter to provide reflectivity, Doppler velocity, differential reflectivity, correlation coefficient, and other radar observations. These measurements help derive droplet size distribution and identify hydrometer types. D3R has a beam width of approximately 0.9 degrees, a maximum range of 30 km, and a gate spacing of 150 m. It operates at wavelengths similar to the Dual-frequency Precipitation Radar (DPR) on the GPM Core satellite and can be used to validate DPR observations.
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The Total Sky Imager (TSI) is a ground-based, optical instrument developed by Yankee Environmental Systems (YES), Inc. TSI provides full-color, hemispheric images of the sky during the day using a charge-coupled device (CCD) imager. It also measures fractional sky cover and sun obscuration caused by clouds. TSI can be mounted on mobile platforms such as trailers and research vehicles, enabling it to collect cloud cover data in different locations during field studies.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Fraction
Earth Science > Atmosphere > Clouds
The Micro Rain Radar (MRR) is a ground-based, vertically oriented, continuous wave K-band (24.23 GHz) radar that measures various parameters of precipitation, such as liquid water content and rain rate, from near ground level to the lower troposphere. The backscatter captured by the MRR’s antenna can determine precipitation size distributions ranging from 0.25 mm to 4.53 mm and can also calculate the frequency shift of falling precipitation to determine its velocity. Additional uses of the MRR include identifying bright bands, nowcasting precipitation, and tracking chemical transport during precipitation events. It has a range resolution of 10 to 200 meters and a sampling time of 10 seconds.
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Return Power
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
The NASA S-band Dual Polarimetric Radar (NPOL) is a portable, ground-based scanning dual-polarimetric Doppler radar. As an active remote sensor, NPOL detects reflected electromagnetic waves to determine radar reflectivity, Doppler velocity, rainfall rate, particle size distribution, water content, and precipitation type. Normally, NPOL has a beamwidth of 0.95°, a gate spacing of 0.15 km, and a maximum range of 150 km. It is operationally comparable to Doppler radars used by the U.S. National Weather Service’s Next Generation Weather Radar (NEXRAD) network, but NPOL has the benefit of being fully deployable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Precipitation > Precipitation Profiles > Rain Type
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
W-band radars are highly sensitive radars used for atmospheric research. They operate around the 94-95 GHz frequency band, allowing for the detection of small water droplets. W-band radars are used for cloud and precipitation studies since they can provide more detailed observations than typical weather radars. They can be deployed on research vessels, aircraft, and mobile ground-based platforms.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
Student Airborne Research Program
2009—2026
Southern California, Virginia
Ongoing
view all deployment dates
19 Deployments
· 25 Data Products| 2025-06-15 | 2025-08-02 |
| 2025-06-22 | 2025-08-09 |
| 2009-07-12 | 2009-08-13 |
| 2010-06-20 | 2010-07-30 |
| 2011-06-19 | 2011-07-29 |
| 2012-06-17 | 2012-08-10 |
| 2013-06-09 | 2013-08-02 |
| 2014-06-15 | 2014-08-08 |
| 2015-06-14 | 2015-08-07 |
| 2016-06-12 | 2016-08-05 |
| 2017-06-18 | 2017-08-11 |
| 2018-06-18 | 2018-08-10 |
| 2019-06-16 | 2019-08-09 |
| 2021-12-03 | 2021-12-10 |
| 2022-06-12 | 2022-08-05 |
| 2023-06-11 | 2023-08-04 |
| 2023-06-18 | 2023-08-11 |
| 2024-06-16 | 2024-08-09 |
| 2024-06-23 | 2024-08-16 |
The Whole Air Sampler (WAS) is an airborne in-situ instrument that collects air samples for analyzing trace gases, such as nonmethane hydrocarbons (NMHCs), halocarbons, alkyl nitrates, and various sulfur compounds found in the troposphere. Air samples collected by the WAS are then analyzed using gas chromatography and mass spectrometry to identify the gases present. The WAS collects samples every minute, allowing scientists to get a clear picture of the environment's chemical composition as research aircraft pass through.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Non-methane Hydrocarbons/volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Dimethyl Sulfide
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Halocarbons
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Carbonyl Sulfide
Earth Science > Atmosphere > Aerosols > Nitrate Particles
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Altus Cumulus Electrification Study
2002
Florida Everglades
view all deployment dates
1 Deployment
· 6 Data Products| 2002-08-02 | 2002-08-30 |
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
The Radio Acoustic Sounding System (RASS) is an active ground-based acoustic sounder that provides profiles of virtual temperature. It uses radar techniques to measure acoustic disturbances and derive the virtual temperature. RASS is typically used alongside radar wind profilers (RWPs) and operates at frequencies of 915 MHz and 1290 MHz. It has a sampling rate of approximately 5 to 15 minutes, a vertical resolution of 150 m, and a horizontal resolution of 60 m.
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Boundary Layer Temperature
Earth Science > Atmosphere > Atmospheric Pressure > Planetary Boundary Layer Height
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Virtual Temperature
TExas and FLorida UNderflights
1998
Texas, Florida
view all deployment dates
2 Deployments
· 0 Data Products| 1998-04-01 | 1998-05-15 |
| 1998-08-01 | 1998-09-30 |
The X-Band Polarimetric Doppler Weather Radar (XPOL) is a ground-based, transportable polarimetric radar manufactured by ProSensing. XPOL measures reflectivity, Doppler velocity, and polarimetric radar parameters to characterize precipitation and clouds. XPOL operates at a 9.41 GHz frequency and has a typical beam width of 1.4 degrees. It has a selectable range resolution of 15-150 meters.
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Clouds
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
S-band radars are ground-based or shipborne radars that operate at the frequency range of 2-4 GHz. They provide measurements of radar reflectivity, Doppler velocity, and other radar parameters to characterize precipitation and clouds. They are not easily attenuated making them useful for near and far-range weather observations.
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
WINter Cloud Experiment
1997
Upper Midwest, Great Lakes, Canada
view all deployment dates
1 Deployment
· 0 Data Products| 1997-01-23 | 1997-02-13 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Atmospheric Emitted Radiance Interferometer (AERI) is a ground-based passive interferometer developed by the University of Wisconsin Space Science and Engineering Center (UW-SSEC) for the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) Program. It uses Fourier transform spectroscopy to measure downwelling thermal infrared emissions from the atmosphere. These measurements can be used to provide profile measurements of atmospheric temperature and water vapor and detect trace gases. AERI operates across the 3.3-19 μm spectral range and up to 25 μm for the extended range version of the instrument. It has an optimal vertical resolution of 100 meters and completes a full sky scan about every 20 seconds.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
The High Spectral Resolution Lidar (HSRL) is an airborne lidar system developed at NASA Langley Research Center (LaRC). It uses the HSRL technique at 532 nm and the standard backscatter technique at 1064 nm to provide profile measurements of aerosol backscatter, extinction, and depolarization. The profiles of aerosol backscatter and depolarization typically have a vertical resolution of 30 m and a horizontal resolution of about 1 km. For the extinction profiles, the vertical resolution is 300 m with a horizontal resolution of approximately 6 km. HSRL is usually flown during investigations to validate observations from the CALIPSO spaceborne lidar.
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Arctic Radiation Measurement in Column: Atmosphere-Surface
1995
Brooks Range, North Slope, Beaufort Sea, Alaska
view all deployment dates
1 Deployment
· 0 Data Products| 1995-06-02 | 1995-06-17 |
The Portable Apparatus for Rapid Acquisition of Bidirectional Observations of the Land and Atmosphere (PARABOLA) is a passive ground-based sphere scanning radiometer. It measures surface reflectance across eight spectral channels. The first four channels (444, 551, 650, and 860 nm) coincide with spectral bands from the Multi-angle Imaging SpectroRadiometer (MISR) on the Terra satellite for validation purposes. The last four channels are used for the characterization of water vapor (944 nm), aerosol optical depth at longer wavelengths (1028 and 1650 nm), and measurements of photosynthetically active radiation (400-700 nm). The measurements from PARABOLA can be used to derive the surface bidirectional reflectance factor and sky and surface radiances. A complete scan of both sky and ground hemispheres takes approximately 3 minutes.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
Aerosol Characterization from Polarimeter and Lidar
2017
Western United States
view all deployment dates
1 Deployment
· 6 Data Products| 2017-10-19 | 2017-11-09 |
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
The Ground-based Multiangle SpectroPolarimetric Imager (GroundMSPI) is a ground-based pushbroom imager developed by the Jet Propulsion Laboratory (JPL) and the University of Arizona. It is the ground-based version of the MSPI satellite instrument and operates similarly to its airborne counterpart (AirMSPI). GroundMSPI measures ultraviolet and visible radiance across eight spectral bands (355, 380, 445, 470, 555, 660, 865, and 935 nm). These measurements can be used to derive aerosol properties. It has a spatial resolution of 3 cm and a scan rate of 0.5 degrees per second.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Radiance
Earth Science > Spectral/engineering > Ultraviolet Wavelengths > Ultraviolet Radiance
Earth Science > Spectral/engineering > Visible Wavelengths
Earth Science > Spectral/engineering > Ultraviolet Wavelengths
AfriSAR
AfriSAR
2015—2016
Gabon tropical forests
view all deployment dates
1 Deployment
· 10 Data Products| 2016-02-03 | 2016-03-11 |
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
Arctic Research of the Composition of the Troposphere from Aircraft and Satellites
2008
Alaska, Western Canada, California
view all deployment dates
3 Deployments
· 27 Data Products| 2008-06-26 | 2008-07-14 |
| 2008-03-31 | 2008-04-21 |
| 2008-06-18 | 2008-06-24 |
The Multi-Axis Differential Optical Absorption Spectrometer (MAX-DOAS) is a ground-based passive spectrometer. It measures scattered solar light at different elevations to identify trace gases in the troposphere. MAX-DOAS is designed to have low residual error in the ultraviolet and visible spectra, enabling detection in both clean and polluted environments. Typical MAX-DOAS instruments operate in the 300-700 nm spectral range with a spectral resolution of 0.4-1.5 nm depending on the target species.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Bromine Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
The UAF Cloud Polarization Lidar (CPL) is a ground-based lidar located at the Arctic Facility for Atmospheric Remote Sensing (AFARS) at the University of Alaska Fairbanks (UAF). It measures lidar backscatter and depolarization ratio using a ruby laser transmitter at 0.694 μm. UAF CPL has a range resolution of 7.5 m and a time resolution of 10 seconds. It provides lidar depolarization ratio measurements with an accuracy of 0.02.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
SnowEx
2016—2023
Colorado, Idaho, Utah, Alaska
view all deployment dates
4 Deployments
· 86 Data Products| 2016-09-26 | 2017-02-26 |
| 2019-11-14 | 2020-03-12 |
| 2022-10-22 | 2023-10-28 |
| 2020-11-16 | 2021-09-21 |
The Riegl VZ-1000 is a ground-based terrestrial laser scanner manufactured by Riegl Laser Measurement Systems. It provides lidar point cloud measurements to determine surface topography features. It operates at a 1550 nm wavelength and has a scan rate of up to 122,000 points per second. It has a maximum scan range of 1.4 km and a resolution of 2 cm.
Earth Science > Land Surface > Topography > Terrain Elevation
Earth Science > Land Surface > Topography
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The University of Waterloo Scatterometer (UW-Scat) is a ground-based polarimetric scatterometer used for observations of snow and ice properties. It consists of two scatterometers operating at the Ku-band (17.2 GHz) and X-band (9.6 GHz) frequencies to detect radar backscatter. These measurements are used to derive snow and ice properties, such as snow water equivalent (SWE). UW-Scat has a range resolution of 30 cm and a half-power beam width of 5.6 and 4.3 degrees at Ku-band and X-band, respectively. A full scan of UW-Scat takes approximately 24 minutes to complete.
Earth Science > Spectral/engineering > Radar > Radar Cross-section
Earth Science > Cryosphere > Snow/ice
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Terrestrial Hydrosphere > Snow/ice
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
A snow measuring rod is a ground-based instrument used to measure snow depth. It is designed to be pushed into the snow until the underlying surface is reached to determine the snow depth. Snow measuring rods can be manual or automated, with the automated rod able to measure the depth and position simultaneously.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Snow/ice
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
The SnowMicroPen (SMP) is a ground-based snow penetrometer operated by the WSL Institute for Snow and Avalanche Research SLF. It measures the penetration resistance of snowpacks using a piezoelectric force sensor. These measurements help determine microstructural parameters, snow stratigraphy, and snow properties such as density and surface area. SMP typically can measure snow depths up to 1.25 m with a vertical resolution of less than 1 mm.
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
Earth Science > Cryosphere > Snow/ice > Snow Stratigraphy
Earth Science > Cryosphere > Snow/ice
The Leica ScanStation C10 is a ground-based high-definition surveying (HDS) scanner manufactured by Leica Geosystems. It provides terrestrial lidar scanning (TLS) point cloud measurements to determine canopy structure and surface topography. It operates at 532 nm wavelength and has a scan rate of up to 50,000 points per second. It has a range resolution of 130 to 300 m, depending on the albedo of the surface.
Earth Science > Land Surface > Topography > Terrain Elevation
Earth Science > Land Surface > Topography
Earth Science > Land Surface > Topography > Terrain Elevation > Topographical Relief Maps
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Ground penetrating radar (GPR) is an electromagnetic geophysical technique used to image the subsurface. It transmits radio wave pulses to detect returning signals, which help determine the depth and size of subsurface targets. GPR generally operates in the 10 to 1000 MHz frequency range and can reach depths of about 10 to 100 meters, depending on the surface. In Earth science, GPR is used to measure ice thickness, soil layers, groundwater levels, bedrock depth, water depth, rock fractures, and various other applications.
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Imagery
Cloud and Land Surface Interaction Campaign 2007
2007
Southern Great Plains, Oklahoma, Kansas
view all deployment dates
1 Deployment
· 7 Data Products| 2007-06-11 | 2007-07-06 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Eddy Covariance Flux Towers are in situ micrometeorological surface towers. They are equipped with gas sensors to continuously measure the trace gas fluxes between the land surface and the atmosphere. Eddy Covariance Towers are typically used to measure fluxes for carbon dioxide (CO2), methane (CH4), and water vapor (H2O). These towers are also equipped with various meteorological sensors to measure air temperature, precipitation, winds, radiation, and soil temperature.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
Earth Science > Atmosphere > Atmospheric Winds
Earth Science > Atmosphere > Precipitation
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
Hydrological Cycle in Mediterranean Experiment
2012
The Mediterranean
view all deployment dates
1 Deployment
· 3 Data Products| 2012-09-05 | 2012-11-06 |
The Water vapor and Aerosol LIdar (WALI) is a mobile ground-based Raman lidar developed at the Laboratoire des Sciences du Climat et de l’Environnement (LSCE). It measures lidar backscatter to determine aerosol optical properties and water vapor mixing ratio profiles. WALI operates at the 354.7 nm wavelength and has a temporal sampling of about 1 minute. It has a vertical resolution of about 30 meters and a field of field of view of about 2.3 mrad.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles > Water Vapor Mixing Ratio Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
The Two-Dimensional Video Disdrometer (2DVD) is a stationary, ground-based optical disdrometer. It has two line-scan cameras that continuously measure various precipitation properties such as droplet shape, fall velocity, and size distribution. The 2DVD precisely measures all precipitation particles larger than 0.2 mm in diameter, making it suitable for various precipitation studies.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
The Autonomous Parsivel Unit (APU) is an in situ ground-based optical disdrometer. APU measures the size and fall velocity of hydrometeors with a range of 0-25 mm in size and 0-20 m/s in fall speed. Using these measurements, the drop size distribution, type, intensity, and amount of precipitation can be determined. APU operates in the 650-780 nm wavelength range and typically samples every 10 seconds.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Precipitation Amount
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
The University of Basilicata Lidar System (BASIL) is a ground-based Raman lidar located in Potenza, Italy. It was developed by the Department of Environmental Engineering and Physics at the University of Basilicata. It measures atmospheric temperature and water vapor mixing ratio using the rotational Raman lidar technique. BASIL also measures aerosol backscatter, extinction, and depolarization. It operates at wavelengths of 355 nm, 532 nm, and 1064 nm and can collect data during both day and night. BASIL has a typical spatial resolution of 30 m and a temporal resolution of 1 minute.
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles > Water Vapor Mixing Ratio Profiles
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar that was developed for NASA’s Global Precipitation Measurement (GPM) mission Ground The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar developed for NASA’s Global Precipitation Measurement (GPM) mission Ground Validation (GV) program. D3R measures radar backscatter to provide reflectivity, Doppler velocity, differential reflectivity, correlation coefficient, and other radar observations. These measurements help derive droplet size distribution and identify hydrometer types. D3R has a beam width of approximately 0.9 degrees, a maximum range of 30 km, and a gate spacing of 150 m. It operates at wavelengths similar to the Dual-frequency Precipitation Radar (DPR) on the GPM Core satellite and can be used to validate DPR observations.
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
W-band radars are highly sensitive radars used for atmospheric research. They operate around the 94-95 GHz frequency band, allowing for the detection of small water droplets. W-band radars are used for cloud and precipitation studies since they can provide more detailed observations than typical weather radars. They can be deployed on research vessels, aircraft, and mobile ground-based platforms.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
The Lightning Mapping Array (LMA) is a ground-based network of lightning detection sensors. An LMA network includes very high frequency (VHF) antennas, GPS receivers, and processing systems that determine the location, timing, and structure of total lightning. LMA has a horizontal spatial resolution of about 6-12 meters, a vertical resolution of roughly 20-30 meters, and a spatial coverage of approximately 200 km from the network center. It typically samples at 10 µs with about 95% accuracy within 100 km of the network. LMA networks are located in several areas, including Oklahoma, New Mexico, North Alabama, West Texas, Colorado, and Southern Ontario.
Earth Science > Atmosphere > Atmospheric Electricity > Lightning
Earth Science > Atmosphere > Atmospheric Electricity
The Micro Rain Radar (MRR) is a ground-based, vertically oriented, continuous wave K-band (24.23 GHz) radar that measures various parameters of precipitation, such as liquid water content and rain rate, from near ground level to the lower troposphere. The backscatter captured by the MRR’s antenna can determine precipitation size distributions ranging from 0.25 mm to 4.53 mm and can also calculate the frequency shift of falling precipitation to determine its velocity. Additional uses of the MRR include identifying bright bands, nowcasting precipitation, and tracking chemical transport during precipitation events. It has a range resolution of 10 to 200 meters and a sampling time of 10 seconds.
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Return Power
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
An Electric Field Mill (EFM) is a ground-based and airborne electric sensor developed at NASA Marshall Space Flight Center (MSFC). It measures the full vector components of the atmospheric electric field and provides information about the electrical structure within and around storms. EFMs can detect both intracloud and cloud-to-ground lightning and can operate in large thunderstorm fields (thousands of volts per meter). An EFM typically has a response time of about 10 Hz.
Earth Science > Atmosphere > Atmospheric Electricity > Electric Field
Earth Science > Atmosphere > Atmospheric Electricity
Earth Science > Atmosphere > Atmospheric Electricity > Lightning
S-band radars are ground-based or shipborne radars that operate at the frequency range of 2-4 GHz. They provide measurements of radar reflectivity, Doppler velocity, and other radar parameters to characterize precipitation and clouds. They are not easily attenuated making them useful for near and far-range weather observations.
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
X-band radars are ground-based radars that operate in the 8-12 GHz frequency range. They provide measurements of radar reflectivity, Doppler velocity, and other radar parameters to characterize precipitation and clouds. Due to operating on a smaller wavelength, the X-band radars are more sensitive and can detect smaller particles, making them useful for studying light precipitation and cloud development.
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Clouds
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
C-band radars operate within the 4-8 GHz frequency range. They provide measurements of radar reflectivity, Doppler velocity, and other parameters to characterize precipitation and clouds. C-band radars are usually used for short-range weather observations because they are more prone to attenuation.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
Light Precipitation Evaluation Experiment
2010
Gulf of Finland
view all deployment dates
1 Deployment
· 22 Data Products| 2010-09-15 | 2010-12-31 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
The ADvanced MIcrowave RAdiometer for Rain Identification (ADMIRARI) is an airborne passive microwave radiometer. ADMIRARI measures brightness temperatures at 10.7, 21.0, and 36.5 GHz frequencies along two polarized planes. It is also equipped with a Micro Rain Radar (MRR) to observe rain structure and a cloud lidar to estimate cloud base. ADMIRARI's measurements can be used to determine rain/cloud liquid water path (LWP) and integrated water vapor (IWV). It has a temporal resolution of 1 second and a spatial resolution of 5 degrees.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The Two-Dimensional Video Disdrometer (2DVD) is a stationary, ground-based optical disdrometer. It has two line-scan cameras that continuously measure various precipitation properties such as droplet shape, fall velocity, and size distribution. The 2DVD precisely measures all precipitation particles larger than 0.2 mm in diameter, making it suitable for various precipitation studies.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
The Autonomous Parsivel Unit (APU) is an in situ ground-based optical disdrometer. APU measures the size and fall velocity of hydrometeors with a range of 0-25 mm in size and 0-20 m/s in fall speed. Using these measurements, the drop size distribution, type, intensity, and amount of precipitation can be determined. APU operates in the 650-780 nm wavelength range and typically samples every 10 seconds.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Precipitation Amount
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
The Joss-Waldvogel (JW) Disdrometer is a ground-based impact-type disdrometer manufactured by Distromet. It uses an electromechanical counter to determine the drop size distribution (DSD) of raindrops. It can detect raindrops within the 0.3 to 5.5 mm diameter size range. The JW Disdrometer can record up to 200 drops per second and has a typical sampling frequency of 1 minute.
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
A Snow Water Equivalent (SWE) Sampler is a ground-based device used in the field to measure SWE. A core sample of snow is collected using a snow tube sampler or snow corer. The tube is inserted vertically into the snowpack until it reaches the ground surface, and a ruler on the tube measures the snow depth. The sample is then removed and weighed on a calibrated scale to determine the snow density. The SWE within the sample is calculated by multiplying the snow density by the snow depth.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Atmosphere > Precipitation > Snow Water Equivalent
Earth Science > Cryosphere > Snow/ice > Snow Water Equivalent
Earth Science > Oceans > Sea Ice > Snow Depth
Earth Science > Climate Indicators > Cryospheric Indicators > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Sea Ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Water Equivalent
The Precipitation Occurrence Sensor System (POSS) is a ground-based X-band, continuous wave Doppler radar designed by the Meteorological Service of Canada. It measures the Doppler signals of particles to determine precipitation occurrence, type, and rate. POSS operates at the 10.525 GHz frequency and has a spectral resolution of 16 Hz. It measures the falling particles through a small measurement volume extending to about 2 meters above the sensor. POSS provides 1-minute-averaged measurements and has a sampling frequency of 2.048 kHz.
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Solid Precipitation
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Micro Rain Radar (MRR) is a ground-based, vertically oriented, continuous wave K-band (24.23 GHz) radar that measures various parameters of precipitation, such as liquid water content and rain rate, from near ground level to the lower troposphere. The backscatter captured by the MRR’s antenna can determine precipitation size distributions ranging from 0.25 mm to 4.53 mm and can also calculate the frequency shift of falling precipitation to determine its velocity. Additional uses of the MRR include identifying bright bands, nowcasting precipitation, and tracking chemical transport during precipitation events. It has a range resolution of 10 to 200 meters and a sampling time of 10 seconds.
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Return Power
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Pluvio is a ground-based weighing precipitation gauge manufactured by OTT HydroMet. It measures precipitation amount and rate by determining its weight using a high-capacity collection bucket. Pluvio can measure rain, snow, sleet, hail, and mixed precipitation types. It has a standard sampling interval of 1 minute and an accuracy of ± 0.05 to 0.1 mm.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Solid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
The Snowflake Video Imager (SVI) is a ground-based imaging system developed at Wallops Flight Facility (WFF). It records greyscale imagery of snowflakes to determine snowflake size and orientation distribution. It can operate autonomously in harsh winter conditions with winds up to 50 knots and temperatures as low as -40 degrees Celsius. SVI has a high frame rate of 60 Hz and a nominal pixel size of 0.05 mm by 0.1 mm.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
Mid-latitude Continental Convective Clouds Experiment
2011
Central Oklahoma, Southern Plains
view all deployment dates
1 Deployment
· 34 Data Products| 2011-04-22 | 2011-06-06 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Two-Dimensional Video Disdrometer (2DVD) is a stationary, ground-based optical disdrometer. It has two line-scan cameras that continuously measure various precipitation properties such as droplet shape, fall velocity, and size distribution. The 2DVD precisely measures all precipitation particles larger than 0.2 mm in diameter, making it suitable for various precipitation studies.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
The Autonomous Parsivel Unit (APU) is an in situ ground-based optical disdrometer. APU measures the size and fall velocity of hydrometeors with a range of 0-25 mm in size and 0-20 m/s in fall speed. Using these measurements, the drop size distribution, type, intensity, and amount of precipitation can be determined. APU operates in the 650-780 nm wavelength range and typically samples every 10 seconds.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar that was developed for NASA’s Global Precipitation Measurement (GPM) mission Ground The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar developed for NASA’s Global Precipitation Measurement (GPM) mission Ground Validation (GV) program. D3R measures radar backscatter to provide reflectivity, Doppler velocity, differential reflectivity, correlation coefficient, and other radar observations. These measurements help derive droplet size distribution and identify hydrometer types. D3R has a beam width of approximately 0.9 degrees, a maximum range of 30 km, and a gate spacing of 150 m. It operates at wavelengths similar to the Dual-frequency Precipitation Radar (DPR) on the GPM Core satellite and can be used to validate DPR observations.
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The NASA S-band Dual Polarimetric Radar (NPOL) is a portable, ground-based scanning dual-polarimetric Doppler radar. As an active remote sensor, NPOL detects reflected electromagnetic waves to determine radar reflectivity, Doppler velocity, rainfall rate, particle size distribution, water content, and precipitation type. Normally, NPOL has a beamwidth of 0.95°, a gate spacing of 0.15 km, and a maximum range of 150 km. It is operationally comparable to Doppler radars used by the U.S. National Weather Service’s Next Generation Weather Radar (NEXRAD) network, but NPOL has the benefit of being fully deployable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Precipitation > Precipitation Profiles > Rain Type
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
The 2D-C/P Hydrometeor Imaging Probe (2D-C/P) is an in situ, airborne instrument that captures images of hydrometeors. It records these images by detecting the illuminated or shadowed states of the photodiode array as the shadow of the hydrometeors passes over. 2D-C/P also offers measurements of particle size distribution, cloud droplet concentration, and hydrometeor shape. Typically, 2D-C/P probes have an image resolution of 25 micrometers and can image hydrometeors with diameters up to 1600 micrometers.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Droplet Concentration/size
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Clouds
S-band radars are ground-based or shipborne radars that operate at the frequency range of 2-4 GHz. They provide measurements of radar reflectivity, Doppler velocity, and other radar parameters to characterize precipitation and clouds. They are not easily attenuated making them useful for near and far-range weather observations.
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
X-band radars are ground-based radars that operate in the 8-12 GHz frequency range. They provide measurements of radar reflectivity, Doppler velocity, and other radar parameters to characterize precipitation and clouds. Due to operating on a smaller wavelength, the X-band radars are more sensitive and can detect smaller particles, making them useful for studying light precipitation and cloud development.
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Clouds
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The Ka-band ARM Zenith Radar (KAZR) is a ground-based Doppler radar operated by the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) User Facility. It is a 35 GHz, zenith-pointing radar that provides vertical profiles of clouds by measuring radar reflectivity, Doppler velocity, and spectrum width. KAZR has a beamwidth of 0.3 degrees, a maximum range of 15 kilometers, and a spatial resolution of 30 meters. KAZR is available at several DoE ARM sites and can be deployed for mobile observations.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
The Scanning ARM Cloud Radar (SACR) is a ground-based Doppler radar system operated by the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) User Facility. It is a polarimetric Doppler radar consisting of three radar designs at different operating frequencies: X-SACR (9.71 GHz), Ka-SACR (35.3 GHz), and W-SACR (94 GHz). For each deployment location, two SACR radars are deployed with operating frequencies determined by atmospheric attenuation at the site. SACR provides measurements of radar reflectivity, Doppler velocity, spectrum width, and other polarimetric parameters at a gate spacing of 25 meters.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
The Micro Rain Radar (MRR) is a ground-based, vertically oriented, continuous wave K-band (24.23 GHz) radar that measures various parameters of precipitation, such as liquid water content and rain rate, from near ground level to the lower troposphere. The backscatter captured by the MRR’s antenna can determine precipitation size distributions ranging from 0.25 mm to 4.53 mm and can also calculate the frequency shift of falling precipitation to determine its velocity. Additional uses of the MRR include identifying bright bands, nowcasting precipitation, and tracking chemical transport during precipitation events. It has a range resolution of 10 to 200 meters and a sampling time of 10 seconds.
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Return Power
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
C-band radars operate within the 4-8 GHz frequency range. They provide measurements of radar reflectivity, Doppler velocity, and other parameters to characterize precipitation and clouds. C-band radars are usually used for short-range weather observations because they are more prone to attenuation.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
Tropospheric Aerosol Radiative Forcing Observational Experiment
1996
Western Atlantic Ocean, US Eastern Seaboard
view all deployment dates
1 Deployment
· 5 Data Products| 1996-07-07 | 1996-07-31 |
The Raman Lidar (RL) is a ground-based lidar system operated by the Department of Energy’s (DoE) Atmospheric Radiation Measurement (ARM) User Facility. It detects Raman backscatter in the ultraviolet range (355 nm) to provide profiles of water vapor, temperature, and aerosol and cloud optical properties. It also detects Raman backscatter from water vapor at 408 nm and molecular nitrogen at 387 nm to help derive aerosol optical properties and water vapor mixing ratios. It has a range resolution of 7.5 m, a time resolution of 10 seconds, and a pulse repetition frequency of 30 Hz. RL can deliver profile measurements from approximately 200 m up to 10 km above ground level.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles > Water Vapor Mixing Ratio Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Photosynthetically Active Radiation (PAR) Sensors are in situ optical devices used to study photosynthesis and plant physiology. They detect light between 400 and 700 nm and convert it into signals for PAR measurement. PAR sensors can be mounted on ground-based or water-based platforms or be portable and handheld. They are primarily used in agriculture, such as monitoring crop growth and analyzing light distribution in plant canopies, but they are also employed to study phytoplankton and aquatic productivity.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Oceans > Ocean Optics > Photosynthetically Active Radiation
The Scanning Mobility Particle Sizer (SMPS) is an in situ aerosol sensor that can be operated on airborne or ground-based platforms, manufactured by TSI Incorporated. SMPS uses a differential mobility analyzer (DMA) to measure the electrical mobility diameter of aerosol particles, which helps determine the size distribution. It also counts the number of aerosol particles using a condensation particle counter (CPC). It detects particles in the size range of 10-1000 nm and typically takes about 10 seconds to complete each scan.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Spectrometers are instruments used to separate and analyze the spectral components of a substance. They usually measure the electromagnetic radiation that has been reflected, absorbed, or transmitted by the physical sample. Spectrometers can operate across the ultraviolet to infrared spectrum. The most common types include optical, nuclear magnetic resonance, and mass spectrometers. They can be used on aircraft, research vessels, vehicles, and other ground-based platforms.
Earth Science > Spectral/engineering > Infrared Wavelengths
Earth Science > Spectral/engineering > Ultraviolet Wavelengths
Earth Science > Spectral/engineering > Visible Wavelengths
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
OTTER
Oregon Transect Ecosystem Research Project
1989—1991
western coniferous forest in Oregon
view all deployment dates
3 Deployments
· 14 Data Products| 1989-05-27 | 1989-08-23 |
| 1991-05-15 | 1991-08-24 |
| 1990-02-22 | 1991-01-07 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
Ceptometers are ground-based radiation sensors used to measure photosynthetically active radiation (PAR) in plant canopies. Ceptometers make PAR measurements above and below the canopy to calculate the leaf area index (LAI). Ceptometers are used for vegetation and agriculture research into plant growth, canopy structure, light interception, and other canopy characteristics.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation
Spectrophotometers are passive photometers that measure the light intensity of the sample solution as a function of the wavelength of the electromagnetic radiation. Spectrophotometers are typically used for ground-based or shipborne observations. They can operate either in the ultraviolet to visible (185-700 nm) spectral range or the infrared (700-15000 nm) range. They are typically used in vegetation studies, air pollution monitoring, and water and soil quality analysis.
Earth Science > Atmosphere > Atmospheric Radiation > Absorption
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Transmittance
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
OTTER
Oregon Transect Ecosystem Research Project
1989—1991
western coniferous forest in Oregon
view all deployment dates
3 Deployments
· 14 Data Products| 1989-05-27 | 1989-08-23 |
| 1991-05-15 | 1991-08-24 |
| 1990-02-22 | 1991-01-07 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Modular Multiband Radiometer (MMR) is an airborne multispectral radiometer manufactured by Barnes Engineering Company. MMR measures radiance across 8 spectral bands in the infrared and visible wavelengths (0.4-12.5 μm) to produce images of vegetation and other surface features. At an altitude of 300 meters, the MMR has an instantaneous field of view (IFOV) of about 79 meters and a 15-degree field of view (FOV). It is typically deployed on small aircraft like helicopters but can also be used on ground-based platforms.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Radiance
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Radiance
Earth Science > Land Surface > Surface Radiative Properties > Reflectance
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Imagery
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
The Spectron Engineering-590 (SE-590) Spectroradiometer is a portable spectroradiometer manufactured by Spectron Engineering. It can be used on both airborne and ground-based platforms. SE-590 uses a charge-coupled device (CCD) area array detector to measure reflectance. It operates across the visible to short-wave infrared spectral range (350-2500 nm). The SE-590 has a ground resolution of 4.5 meters when flown at an altitude of 300 meters.
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
Ceptometers are ground-based radiation sensors used to measure photosynthetically active radiation (PAR) in plant canopies. Ceptometers make PAR measurements above and below the canopy to calculate the leaf area index (LAI). Ceptometers are used for vegetation and agriculture research into plant growth, canopy structure, light interception, and other canopy characteristics.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
The Stratospheric InfraRed Interferometer Spectrometer (SIRIS) was a balloon-borne passive spectrometer developed at NASA's Goddard Space Flight Center (GSFC). It measured thermal emissions within the 5-15 μm spectral range to improve understanding of ozone behavior in the stratosphere. It had a vertical resolution of 3 km and could reach a vertical coverage of up to 40 km. SIRIS featured a field of view of 0.5 degrees and a scan time of 76 seconds. While primarily used on balloon platforms, it occasionally operated on ground-based platforms.
Earth Science > Spectral/engineering > Infrared Wavelengths > Thermal Infrared
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Radiance
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Spectrophotometers are passive photometers that measure the light intensity of the sample solution as a function of the wavelength of the electromagnetic radiation. Spectrophotometers are typically used for ground-based or shipborne observations. They can operate either in the ultraviolet to visible (185-700 nm) spectral range or the infrared (700-15000 nm) range. They are typically used in vegetation studies, air pollution monitoring, and water and soil quality analysis.
Earth Science > Atmosphere > Atmospheric Radiation > Absorption
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Transmittance
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
Iowa Flood Studies
2013
Iowa
view all deployment dates
1 Deployment
· 33 Data Products| 2013-04-10 | 2013-06-15 |
The Two-Dimensional Video Disdrometer (2DVD) is a stationary, ground-based optical disdrometer. It has two line-scan cameras that continuously measure various precipitation properties such as droplet shape, fall velocity, and size distribution. The 2DVD precisely measures all precipitation particles larger than 0.2 mm in diameter, making it suitable for various precipitation studies.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
The Autonomous Parsivel Unit (APU) is an in situ ground-based optical disdrometer. APU measures the size and fall velocity of hydrometeors with a range of 0-25 mm in size and 0-20 m/s in fall speed. Using these measurements, the drop size distribution, type, intensity, and amount of precipitation can be determined. APU operates in the 650-780 nm wavelength range and typically samples every 10 seconds.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
Stream gauges are ground-based sensors that measure the water level or stage of rivers and streams at specific locations. The flow or discharge of a river can then be calculated from these stage measurements. These gauges can provide continuous data, making them useful for monitoring flood risk and water supply. The United States Geological Survey (USGS) operates a network of over 10,000 stream gauges across the United States to assist with flood prediction and water resource management.
Earth Science > Biosphere > Ecosystems > Freshwater Ecosystems > Rivers/stream
Earth Science > Terrestrial Hydrosphere > Surface Water > Surface Water Processes/measurements > Stage Height
The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar that was developed for NASA’s Global Precipitation Measurement (GPM) mission Ground The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar developed for NASA’s Global Precipitation Measurement (GPM) mission Ground Validation (GV) program. D3R measures radar backscatter to provide reflectivity, Doppler velocity, differential reflectivity, correlation coefficient, and other radar observations. These measurements help derive droplet size distribution and identify hydrometer types. D3R has a beam width of approximately 0.9 degrees, a maximum range of 30 km, and a gate spacing of 150 m. It operates at wavelengths similar to the Dual-frequency Precipitation Radar (DPR) on the GPM Core satellite and can be used to validate DPR observations.
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The X-Band Polarimetric Doppler Weather Radar (XPOL) is a ground-based, transportable polarimetric radar manufactured by ProSensing. XPOL measures reflectivity, Doppler velocity, and polarimetric radar parameters to characterize precipitation and clouds. XPOL operates at a 9.41 GHz frequency and has a typical beam width of 1.4 degrees. It has a selectable range resolution of 15-150 meters.
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Clouds
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The Micro Rain Radar (MRR) is a ground-based, vertically oriented, continuous wave K-band (24.23 GHz) radar that measures various parameters of precipitation, such as liquid water content and rain rate, from near ground level to the lower troposphere. The backscatter captured by the MRR’s antenna can determine precipitation size distributions ranging from 0.25 mm to 4.53 mm and can also calculate the frequency shift of falling precipitation to determine its velocity. Additional uses of the MRR include identifying bright bands, nowcasting precipitation, and tracking chemical transport during precipitation events. It has a range resolution of 10 to 200 meters and a sampling time of 10 seconds.
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Return Power
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
The NASA S-band Dual Polarimetric Radar (NPOL) is a portable, ground-based scanning dual-polarimetric Doppler radar. As an active remote sensor, NPOL detects reflected electromagnetic waves to determine radar reflectivity, Doppler velocity, rainfall rate, particle size distribution, water content, and precipitation type. Normally, NPOL has a beamwidth of 0.95°, a gate spacing of 0.15 km, and a maximum range of 150 km. It is operationally comparable to Doppler radars used by the U.S. National Weather Service’s Next Generation Weather Radar (NEXRAD) network, but NPOL has the benefit of being fully deployable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Precipitation > Precipitation Profiles > Rain Type
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
Deriving Information on Surface Conditions from COlumn and VERtically Resolved Observations Relevant to Air Quality
2011—2014
Baltimore MD, San Joaquin Valley CA, Houston TX, Denver CO
view all deployment dates
4 Deployments
· 77 Data Products| 2011-06-27 | 2011-07-31 |
| 2013-09-01 | 2013-10-01 |
| 2013-01-14 | 2013-02-11 |
| 2014-07-16 | 2014-08-16 |
The Nittany Atmospheric Trailer and Integrated Validation Experiment (NATIVE) is a self-contained mobile research facility operated by Pennsylvania State University (PSU). It contains a suite of in situ trace gas sensors, active and passive remote sensing instruments for atmospheric profiling, and surface meteorological sensors. The facility is used for satellite validation, air quality monitoring, and studying pollution transportation and deposition.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Pressure > Surface Pressure
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
Deriving Information on Surface Conditions from COlumn and VERtically Resolved Observations Relevant to Air Quality
2011—2014
Baltimore MD, San Joaquin Valley CA, Houston TX, Denver CO
view all deployment dates
4 Deployments
· 77 Data Products| 2011-06-27 | 2011-07-31 |
| 2013-09-01 | 2013-10-01 |
| 2013-01-14 | 2013-02-11 |
| 2014-07-16 | 2014-08-16 |
The Nittany Atmospheric Trailer and Integrated Validation Experiment (NATIVE) is a self-contained mobile research facility operated by Pennsylvania State University (PSU). It contains a suite of in situ trace gas sensors, active and passive remote sensing instruments for atmospheric profiling, and surface meteorological sensors. The facility is used for satellite validation, air quality monitoring, and studying pollution transportation and deposition.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Pressure > Surface Pressure
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
The Tunable Optical Profiler for Aerosol and oZone (TOPAZ) is a lidar system developed by the NOAA Chemical Sciences Laboratory. Originally designed for airborne use, it has been reconfigured for deployment in a trailer for ground-based operations. It employs the differential absorption lidar (DIAL) technique to measure ozone concentrations and aerosol backscatter profiles up to 6 to 8 km above ground level (AGL). It functions within the 285 to 310 nm wavelength range and offers an ozone profile vertical resolution of 5 m near the surface and 1000 m at 8 km AGL. TOPAZ is part of the NASA Tropospheric Ozone Lidar Network (TOLNet).
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Deriving Information on Surface Conditions from COlumn and VERtically Resolved Observations Relevant to Air Quality
2011—2014
Baltimore MD, San Joaquin Valley CA, Houston TX, Denver CO
view all deployment dates
4 Deployments
· 77 Data Products| 2011-06-27 | 2011-07-31 |
| 2013-09-01 | 2013-10-01 |
| 2013-01-14 | 2013-02-11 |
| 2014-07-16 | 2014-08-16 |
The Nittany Atmospheric Trailer and Integrated Validation Experiment (NATIVE) is a self-contained mobile research facility operated by Pennsylvania State University (PSU). It contains a suite of in situ trace gas sensors, active and passive remote sensing instruments for atmospheric profiling, and surface meteorological sensors. The facility is used for satellite validation, air quality monitoring, and studying pollution transportation and deposition.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Pressure > Surface Pressure
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
The Tropospheric Ozone Lidar Network (TOLNet) is an interagency initiative involving NASA, NOAA, and USEPA that began in 2012. TOLNet provides highly time-resolved measurements of tropospheric ozone profiles to support air quality research and satellite validation. It includes several lidar systems across North America: JPL Table Mountain Facility (TMF) tropospheric ozone lidar, NOAA Tunable Optical Profiler for Aerosol and oZone (TOPAZ) lidar, University of Alabama in Huntsville Rocket City Ozone Quality Evaluation in the Troposphere (RO3QET), Environment and Climate Change Canada’s Autonomous Mobile Ozone LIDAR Instrument for Tropospheric Experiments (AMOLITE), City College of New York Tropospheric Ozone Lidar System (NYTOLS), GSFC TROPospheric OZone (TROPOZ) DIAL, Langley Mobile Ozone Lidar (LMOL), and Hampton University Lidar Laboratory. The mobile systems within TOLNet can be deployed in the field to provide collocated measurements of ozone alongside balloon and airborne sensors.
Earth Science > Atmosphere > Air Quality > Tropospheric Ozone
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
The NASA Goddard Tropospheric Ozone Lidar (TROPOZ) is a mobile, ground-based lidar that is part of the Tropospheric Ozone Lidar Network (TOLNet). It employs the differential absorption lidar (DIAL) technique to measure ozone at wavelengths of 289 nm and 299 nm. TROPOZ has a range resolution of 15 meters, a repetition rate of 50 Hz, and can produce ozone profiles from 0.35 to 16 km above ground level.
Earth Science > Atmosphere > Air Quality > Tropospheric Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry
The Langley Mobile Ozone Lidar (LMOL) is a mobile, ground-based lidar developed at NASA Langley Research Center (LaRC). It is a differential absorption lidar used to measure ozone, aerosols, and clouds. It operates at 287 nm and 292 nm for ozone retrievals and at 527 nm for aerosol detection. It has a pulse width of 70 ns and a range resolution of 7.5 m. LMOL is part of the Tropospheric Ozone Lidar Network (TOLNet), which is operated by NASA.
Earth Science > Atmosphere > Air Quality > Tropospheric Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
International Collaborative Experiment for PyeongChang Olympic and Paralympics
2017—2018
South Korea
view all deployment dates
1 Deployment
· 5 Data Products| 2017-11-01 | 2018-03-17 |
The Autonomous Parsivel Unit (APU) is an in situ ground-based optical disdrometer. APU measures the size and fall velocity of hydrometeors with a range of 0-25 mm in size and 0-20 m/s in fall speed. Using these measurements, the drop size distribution, type, intensity, and amount of precipitation can be determined. APU operates in the 650-780 nm wavelength range and typically samples every 10 seconds.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Precipitation Amount
The Precipitation and Imaging Probe (PIP) is an airborne optical spectrometer developed by Droplet Measurement Technologies. It measures the size and shape of particles ranging from 100 to 6200 μm. It provides two-dimensional images with a pixel resolution of 100 μm. PIP operates at a wavelength of 660 nm and typically samples every second. It has a sample area of 260 mm by 6.2 mm and can function at airspeeds of 10 to 200 meters per second.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Droplet Concentration/size
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Pluvio is a ground-based weighing precipitation gauge manufactured by OTT HydroMet. It measures precipitation amount and rate by determining its weight using a high-capacity collection bucket. Pluvio can measure rain, snow, sleet, hail, and mixed precipitation types. It has a standard sampling interval of 1 minute and an accuracy of ± 0.05 to 0.1 mm.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Solid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar that was developed for NASA’s Global Precipitation Measurement (GPM) mission Ground The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar developed for NASA’s Global Precipitation Measurement (GPM) mission Ground Validation (GV) program. D3R measures radar backscatter to provide reflectivity, Doppler velocity, differential reflectivity, correlation coefficient, and other radar observations. These measurements help derive droplet size distribution and identify hydrometer types. D3R has a beam width of approximately 0.9 degrees, a maximum range of 30 km, and a gate spacing of 150 m. It operates at wavelengths similar to the Dual-frequency Precipitation Radar (DPR) on the GPM Core satellite and can be used to validate DPR observations.
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The Micro Rain Radar (MRR) is a ground-based, vertically oriented, continuous wave K-band (24.23 GHz) radar that measures various parameters of precipitation, such as liquid water content and rain rate, from near ground level to the lower troposphere. The backscatter captured by the MRR’s antenna can determine precipitation size distributions ranging from 0.25 mm to 4.53 mm and can also calculate the frequency shift of falling precipitation to determine its velocity. Additional uses of the MRR include identifying bright bands, nowcasting precipitation, and tracking chemical transport during precipitation events. It has a range resolution of 10 to 200 meters and a sampling time of 10 seconds.
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Return Power
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Student Airborne Research Program
2009—2026
Southern California, Virginia
Ongoing
view all deployment dates
19 Deployments
· 25 Data Products| 2025-06-15 | 2025-08-02 |
| 2025-06-22 | 2025-08-09 |
| 2009-07-12 | 2009-08-13 |
| 2010-06-20 | 2010-07-30 |
| 2011-06-19 | 2011-07-29 |
| 2012-06-17 | 2012-08-10 |
| 2013-06-09 | 2013-08-02 |
| 2014-06-15 | 2014-08-08 |
| 2015-06-14 | 2015-08-07 |
| 2016-06-12 | 2016-08-05 |
| 2017-06-18 | 2017-08-11 |
| 2018-06-18 | 2018-08-10 |
| 2019-06-16 | 2019-08-09 |
| 2021-12-03 | 2021-12-10 |
| 2022-06-12 | 2022-08-05 |
| 2023-06-11 | 2023-08-04 |
| 2023-06-18 | 2023-08-11 |
| 2024-06-16 | 2024-08-09 |
| 2024-06-23 | 2024-08-16 |
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
The Picarro gas concentration analyzer is an in situ airborne or ground-based sensor manufactured by Picarro, Inc. It uses Wavelength-Scanned Cavity Ring Spectroscopy (WS-CRDS) to measure trace gases such as carbon dioxide, carbon monoxide, methane, and water vapor. For carbon dioxide measurements, the laser within Picarro operates at 1603 nm wavelength, while 1651 nm wavelength is used for methane and water vapor measurements. Picarro has a typical sampling time of 2.5 seconds. Depending on the model, Picarro can also provide measurements of carbon isotopes for gas concentrations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Ozone Water-Land Environmental Transition Study
2017—2018
Chesapeake Bay
view all deployment dates
2 Deployments
· 12 Data Products| 2017-07-05 | 2017-08-24 |
| 2018-05-08 | 2018-07-19 |
The Picarro gas concentration analyzer is an in situ airborne or ground-based sensor manufactured by Picarro, Inc. It uses Wavelength-Scanned Cavity Ring Spectroscopy (WS-CRDS) to measure trace gases such as carbon dioxide, carbon monoxide, methane, and water vapor. For carbon dioxide measurements, the laser within Picarro operates at 1603 nm wavelength, while 1651 nm wavelength is used for methane and water vapor measurements. Picarro has a typical sampling time of 2.5 seconds. Depending on the model, Picarro can also provide measurements of carbon isotopes for gas concentrations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
The Langley Mobile Ozone Lidar (LMOL) is a mobile, ground-based lidar developed at NASA Langley Research Center (LaRC). It is a differential absorption lidar used to measure ozone, aerosols, and clouds. It operates at 287 nm and 292 nm for ozone retrievals and at 527 nm for aerosol detection. It has a pulse width of 70 ns and a range resolution of 7.5 m. LMOL is part of the Tropospheric Ozone Lidar Network (TOLNet), which is operated by NASA.
Earth Science > Atmosphere > Air Quality > Tropospheric Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
The Tropospheric Ozone Lidar Network (TOLNet) is an interagency initiative involving NASA, NOAA, and USEPA that began in 2012. TOLNet provides highly time-resolved measurements of tropospheric ozone profiles to support air quality research and satellite validation. It includes several lidar systems across North America: JPL Table Mountain Facility (TMF) tropospheric ozone lidar, NOAA Tunable Optical Profiler for Aerosol and oZone (TOPAZ) lidar, University of Alabama in Huntsville Rocket City Ozone Quality Evaluation in the Troposphere (RO3QET), Environment and Climate Change Canada’s Autonomous Mobile Ozone LIDAR Instrument for Tropospheric Experiments (AMOLITE), City College of New York Tropospheric Ozone Lidar System (NYTOLS), GSFC TROPospheric OZone (TROPOZ) DIAL, Langley Mobile Ozone Lidar (LMOL), and Hampton University Lidar Laboratory. The mobile systems within TOLNet can be deployed in the field to provide collocated measurements of ozone alongside balloon and airborne sensors.
Earth Science > Atmosphere > Air Quality > Tropospheric Ozone
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
The NASA Goddard Tropospheric Ozone Lidar (TROPOZ) is a mobile, ground-based lidar that is part of the Tropospheric Ozone Lidar Network (TOLNet). It employs the differential absorption lidar (DIAL) technique to measure ozone at wavelengths of 289 nm and 299 nm. TROPOZ has a range resolution of 15 meters, a repetition rate of 50 Hz, and can produce ozone profiles from 0.35 to 16 km above ground level.
Earth Science > Atmosphere > Air Quality > Tropospheric Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry
The Particle Into Liquid Sampler (PILS) is an in situ aerosol sampler manufactured by Brechtel Manufacturing Inc. PILS can be used by both ground-based and airborne platforms to gather continuous data on ambient aerosol bulk composition. The particles collected by PILS are mixed with saturated water vapor to form droplets that are analyzed by either an ion chromatograph (IC) or a total organic carbon detector (TOC). PILS can detect aerosol particles ranging from 70 nm to 2.5 μm in size and offers a time resolution of 3 minutes for airborne measurements and 15 minutes for ground-based measurements.
Earth Science > Atmosphere > Aerosols > Sulfate Particles
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Organic Particles
Earth Science > Atmosphere > Aerosols > Nitrate Particles
Earth Science > Atmosphere > Aerosols > Particulate Matter
Earth Science > Atmosphere > Aerosols > Chemical Composition
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Thermo Scientific Gas Analyzers are in situ gas analyzers manufactured by ThermoFisher Scientific. They provide precise measurements of various trace gases such as ozone, carbon dioxide, carbon monoxide, and sulfur dioxide. Thermo Scientific Gas Analyzers can be deployed on aircraft, research vessels, and ground-based platforms.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
LMOS
Lake Michigan Ozone Study
2017
Lake Michigan
view all deployment dates
1 Deployment
· 13 Data Products| 2017-05-22 | 2017-06-22 |
The Sound Detection and Ranging (SODAR) is an active ground-based acoustic sensor that measures atmospheric winds and turbulence. It sends acoustic energy into the atmosphere and detects the strength and frequency of the backscattered energy. The backscattered signal can be used to determine the horizontal wind field, assuming the scattered energy moves with the mean wind. SODARs are frequently used in boundary layer studies to measure turbulence and wind profiles.
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Horizontal Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Vertical Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
Earth Science > Atmosphere > Atmospheric Winds
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Gas Chromatography/Mass Spectrometry (GC-MS) is an in situ measurement technique used to analyze volatile organic compounds (VOCs) in the atmosphere. It employs gas chromatography to separate components of an air sample, and mass spectrometry to ionize, identify, and quantify gas species. GC-MS is utilized to detect VOCs, halocarbons, hydrocarbons, and various other pollutants. It can be used for ground-based or airborne operations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Non-methane Hydrocarbons/volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Halocarbons
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Scanning Mobility Particle Sizer (SMPS) is an in situ aerosol sensor that can be operated on airborne or ground-based platforms, manufactured by TSI Incorporated. SMPS uses a differential mobility analyzer (DMA) to measure the electrical mobility diameter of aerosol particles, which helps determine the size distribution. It also counts the number of aerosol particles using a condensation particle counter (CPC). It detects particles in the size range of 10-1000 nm and typically takes about 10 seconds to complete each scan.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Microwave Profiling Radiometer (MPR) is a ground-based passive radiometer manufactured by Radiometrics Corporation. It measures brightness temperature across 21 K-band frequency (21-30 GHz) channels and 14 V-band frequency (51-59 GHz) channels. These measurements can be used to retrieve cloud base temperature, cloud base height, integrated liquid, and profiles of temperature, water vapor, relative humidity, and liquid water. MPR has a vertical range from the surface to 10 km and provides retrievals every 1 minute. It has a height resolution of 50 m from the surface to 0.5 km, 100 m from 0.5 to 2 km, and 250 m from 2 to 10 km.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The Tunable Infrared Laser Direct Absorption Spectrometer (TILDAS) is an in situ spectrometer developed by Aerodyne Research. It measures gas concentrations by determining how much light the species absorbs at a specific wavelength. TILDAS is used to detect various trace gases, including methane, nitrous oxide, nitrogen dioxide, carbon monoxide, carbon dioxide, formaldehyde, and ammonia. The laser operates within the mid-infrared spectrum and is tuned to a specific wavelength based on the target species. It provides measurements at a data rate of up to 10 Hz. TILDAS can be deployed on aircraft, ships, trucks, and other ground-based platforms.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Carbonyl Sulfide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Generic-Chemical Ionization Mass Spectrometry (Gen-CIMS) refers to a non-specific CIMS instrument on a platform. A CIMS is an in situ mass spectrometer that measures gas species by ionizing the molecules through chemical reactions. They provide measurements of trace gases, organic compounds, inorganic compounds, halogen species, and reactive nitrogen species.
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
The Atmospheric Emitted Radiance Interferometer (AERI) is a ground-based passive interferometer developed by the University of Wisconsin Space Science and Engineering Center (UW-SSEC) for the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) Program. It uses Fourier transform spectroscopy to measure downwelling thermal infrared emissions from the atmosphere. These measurements can be used to provide profile measurements of atmospheric temperature and water vapor and detect trace gases. AERI operates across the 3.3-19 μm spectral range and up to 25 μm for the extended range version of the instrument. It has an optimal vertical resolution of 100 meters and completes a full sky scan about every 20 seconds.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
The Aerodynamic Particle Sizer (APS) is an in situ spectrometer manufactured by TSI Instruments. APS measures aerodynamic particles in the 0.5-20 μm size range. It also measures the light-scattering intensity of the particles in the 0.37-20 μm optical size range. APS provides particle size distributions for 52 channels at a typical sampling time of 1 second. It uses a laser diode operating at 655 nm and has a size resolution of 0.02 μm at 1 μm. APS can be deployed on aircraft, ships, or ground-based platforms.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Pandora Spectrometer System is a ground-based UV-VIS spectrometer designed to measure column amounts of trace gases in the atmosphere. It employs total optical absorption spectroscopy for retrievals of ozone, nitrogen dioxide, formaldehyde, and other trace gases. Pandora operates within the 280-525 nm spectral range at a resolution of 0.6 nm. It can perform both direct sun and all-sky radiance measurements, with an overall measurement time of 80 seconds. Pandora is part of a network of identical instruments called the Pandonia Global Network.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry
The High Spectral Resolution Lidar (HSRL) is an airborne lidar system developed at NASA Langley Research Center (LaRC). It uses the HSRL technique at 532 nm and the standard backscatter technique at 1064 nm to provide profile measurements of aerosol backscatter, extinction, and depolarization. The profiles of aerosol backscatter and depolarization typically have a vertical resolution of 30 m and a horizontal resolution of about 1 km. For the extinction profiles, the vertical resolution is 300 m with a horizontal resolution of approximately 6 km. HSRL is usually flown during investigations to validate observations from the CALIPSO spaceborne lidar.
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Thermo Scientific Gas Analyzers are in situ gas analyzers manufactured by ThermoFisher Scientific. They provide precise measurements of various trace gases such as ozone, carbon dioxide, carbon monoxide, and sulfur dioxide. Thermo Scientific Gas Analyzers can be deployed on aircraft, research vessels, and ground-based platforms.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
LISTOS
Long Island Sound Tropospheric Ozone Study
2017—2019
New York City metropolitan and Long Island Sound area, Northeastern U.S.
view all deployment dates
2 Deployments
· 17 Data Products| 2018-01-01 | 2019-07-29 |
| 2017-05-17 | 2017-05-18 |
The Langley Mobile Ozone Lidar (LMOL) is a mobile, ground-based lidar developed at NASA Langley Research Center (LaRC). It is a differential absorption lidar used to measure ozone, aerosols, and clouds. It operates at 287 nm and 292 nm for ozone retrievals and at 527 nm for aerosol detection. It has a pulse width of 70 ns and a range resolution of 7.5 m. LMOL is part of the Tropospheric Ozone Lidar Network (TOLNet), which is operated by NASA.
Earth Science > Atmosphere > Air Quality > Tropospheric Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
The Proton Transfer Mass Spectrometer (PTR-MS) is an in situ spectrometer used both on aircraft and ground, developed by the University of Innsbruck in Austria. It detects volatile organic compounds (VOCs) without the need for sample preparation at very low concentrations. PTR-MS employs chemical ionization mass spectrometry, enabling quick and highly sensitive VOC detection. It has a signal integration time ranging from 0.5 to 1 second.
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Methanol
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
The High-Performance Liquid Chromatograph (HPLC) is an in situ ground-based analyzer used to separate and identify components in a sample of air or a mixture. It works by injecting a liquid into the sample, causing different flow rates for each component as they pass through the column. As each component exits the column, their concentrations are measured at a high resolution. In Earth science research, HPLC is commonly used to detect various trace species in the atmosphere, such as formaldehyde, hydrogen peroxide, and volatile organic compounds (VOCs). Although primarily used for laboratory analysis and ground-based measurements, it can also be employed for airborne measurements.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds > Hydroperoxy
The NASA Goddard Tropospheric Ozone Lidar (TROPOZ) is a mobile, ground-based lidar that is part of the Tropospheric Ozone Lidar Network (TOLNet). It employs the differential absorption lidar (DIAL) technique to measure ozone at wavelengths of 289 nm and 299 nm. TROPOZ has a range resolution of 15 meters, a repetition rate of 50 Hz, and can produce ozone profiles from 0.35 to 16 km above ground level.
Earth Science > Atmosphere > Air Quality > Tropospheric Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry
The Aerosol Mass Spectrometer (AMS) is an in situ spectrometer developed by Aerodyne Research. It employs quadrupole mass spectrometry to measure aerosol chemical composition and properties. It can detect particles ranging from 40 nm to 1 micron in size and has a time resolution of up to 10 Hz. It can be installed on aircraft, research vessels, mobile laboratories, or other ground-based platforms.
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Aethalometer is an in situ aerosol measuring device made by Magee Scientific. It can be used on both airborne and ground-based platforms. It collects aerosols through a filter tape and gauges the attenuation of transmitted light to assess black carbon particle levels. The Aethalometer works across seven optical wavelengths (370, 470, 520, 590, 660, 880, and 950 nm) and delivers data at a rate of 1 Hz. It has a measurement range of 0-500 μg per cubic meter and a resolution of 0.1 μg per cubic meter.
Earth Science > Atmosphere > Aerosols > Carbonaceous Aerosols
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Pandora Spectrometer System is a ground-based UV-VIS spectrometer designed to measure column amounts of trace gases in the atmosphere. It employs total optical absorption spectroscopy for retrievals of ozone, nitrogen dioxide, formaldehyde, and other trace gases. Pandora operates within the 280-525 nm spectral range at a resolution of 0.6 nm. It can perform both direct sun and all-sky radiance measurements, with an overall measurement time of 80 seconds. Pandora is part of a network of identical instruments called the Pandonia Global Network.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry
NOx/NOxy is an in situ chemiluminescence instrument that measures nitrogen oxides and ozone in the atmosphere. It offers a spatial resolution better than 100 meters at typical DC-8 research flight speeds. NOx/NOxy can be used on ground-based, airborne, and shipborne platforms, enabling it to support various atmospheric chemistry and air quality studies.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Oxides
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Nitrogen Oxides
Thermo Scientific Gas Analyzers are in situ gas analyzers manufactured by ThermoFisher Scientific. They provide precise measurements of various trace gases such as ozone, carbon dioxide, carbon monoxide, and sulfur dioxide. Thermo Scientific Gas Analyzers can be deployed on aircraft, research vessels, and ground-based platforms.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
The 2B Technologies Ozone (O3) Monitor is an in-situ dual-beam ozone monitor suitable for airborne and ground-based use. It measures O3 concentration through dual-beam ultraviolet (UV) absorption at 254 nm. The device has a detection range of 0 to 20 ppm, a resolution of 0.1 ppb, and provides measurements every 2 seconds. Its operating temperature range is 0 to 50 degrees Celsius, with an altitude range of approximately 0 to 13.5 km.
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Air Quality > Tropospheric Ozone
Earth Science > Atmosphere > Atmospheric Chemistry
The Tunable Infrared Laser Direct Absorption Spectrometer (TILDAS) is an in situ spectrometer developed by Aerodyne Research. It measures gas concentrations by determining how much light the species absorbs at a specific wavelength. TILDAS is used to detect various trace gases, including methane, nitrous oxide, nitrogen dioxide, carbon monoxide, carbon dioxide, formaldehyde, and ammonia. The laser operates within the mid-infrared spectrum and is tuned to a specific wavelength based on the target species. It provides measurements at a data rate of up to 10 Hz. TILDAS can be deployed on aircraft, ships, trucks, and other ground-based platforms.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Carbonyl Sulfide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
TExas and FLorida UNderflights
1998
Texas, Florida
view all deployment dates
2 Deployments
· 0 Data Products| 1998-04-01 | 1998-05-15 |
| 1998-08-01 | 1998-09-30 |
The S-band Polarimetric (S-POL) Doppler radar is a transportable ground-based radar operated by the National Center for Atmospheric Research (NCAR). It is a dual-polarization radar that measures reflectivity, Doppler velocity, and spectrum width to characterize precipitation and convective systems. S-Pol operates at a frequency of 2.7-2.9 GHz and has a beam width of 0.92 degrees. Its range spans from 150 to 675 meters, with a gate spacing of 37.5 to 150 meters.
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
Southern African Regional Science Initiative
1999—2001
Southern Africa
view all deployment dates
4 Deployments
· 110 Data Products| 2000-02-01 | 2000-03-31 |
| 2001-03-01 | 2001-03-31 |
| 1999-08-01 | 1999-09-30 |
| 2000-08-01 | 2000-09-30 |
The Fourier Transformation Spectrometer (FTS) is a high-resolution spectrometer used both in airborne and ground-based applications. FTS measures the solar radiance reflected from the surface, which can be used to estimate levels of carbon monoxide (CO), carbon dioxide (CO2), and methane (CH4) in the atmosphere. It offers a spatial resolution of approximately 100m by 1000m and operates at a measurement frequency of 1 Hz during typical research flights.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Infrared Thermometers (IRTs) are ground-based pyrometers that measure the brightness temperature of a scene within their field of view. They determine brightness temperature by detecting electromagnetic radiation emitted by Earth’s surface. These measurements are used to find either the surface skin temperature or the sea surface temperature, depending on whether the platform is on land or water. IRTs typically operate within the 8- to 14-μm wavelength range.
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
Southern African Regional Science Initiative
1999—2001
Southern Africa
view all deployment dates
4 Deployments
· 110 Data Products| 2000-02-01 | 2000-03-31 |
| 2001-03-01 | 2001-03-31 |
| 1999-08-01 | 1999-09-30 |
| 2000-08-01 | 2000-09-30 |
The Fourier Transformation Spectrometer (FTS) is a high-resolution spectrometer used both in airborne and ground-based applications. FTS measures the solar radiance reflected from the surface, which can be used to estimate levels of carbon monoxide (CO), carbon dioxide (CO2), and methane (CH4) in the atmosphere. It offers a spatial resolution of approximately 100m by 1000m and operates at a measurement frequency of 1 Hz during typical research flights.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Eddy Covariance Flux Towers are in situ micrometeorological surface towers. They are equipped with gas sensors to continuously measure the trace gas fluxes between the land surface and the atmosphere. Eddy Covariance Towers are typically used to measure fluxes for carbon dioxide (CO2), methane (CH4), and water vapor (H2O). These towers are also equipped with various meteorological sensors to measure air temperature, precipitation, winds, radiation, and soil temperature.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
Earth Science > Atmosphere > Atmospheric Winds
Earth Science > Atmosphere > Precipitation
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Infrared Thermometers (IRTs) are ground-based pyrometers that measure the brightness temperature of a scene within their field of view. They determine brightness temperature by detecting electromagnetic radiation emitted by Earth’s surface. These measurements are used to find either the surface skin temperature or the sea surface temperature, depending on whether the platform is on land or water. IRTs typically operate within the 8- to 14-μm wavelength range.
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Southern African Regional Science Initiative
1999—2001
Southern Africa
view all deployment dates
4 Deployments
· 110 Data Products| 2000-02-01 | 2000-03-31 |
| 2001-03-01 | 2001-03-31 |
| 1999-08-01 | 1999-09-30 |
| 2000-08-01 | 2000-09-30 |
The Fourier Transformation Spectrometer (FTS) is a high-resolution spectrometer used both in airborne and ground-based applications. FTS measures the solar radiance reflected from the surface, which can be used to estimate levels of carbon monoxide (CO), carbon dioxide (CO2), and methane (CH4) in the atmosphere. It offers a spatial resolution of approximately 100m by 1000m and operates at a measurement frequency of 1 Hz during typical research flights.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The Portable Apparatus for Rapid Acquisition of Bidirectional Observations of the Land and Atmosphere (PARABOLA) is a passive ground-based sphere scanning radiometer. It measures surface reflectance across eight spectral channels. The first four channels (444, 551, 650, and 860 nm) coincide with spectral bands from the Multi-angle Imaging SpectroRadiometer (MISR) on the Terra satellite for validation purposes. The last four channels are used for the characterization of water vapor (944 nm), aerosol optical depth at longer wavelengths (1028 and 1650 nm), and measurements of photosynthetically active radiation (400-700 nm). The measurements from PARABOLA can be used to derive the surface bidirectional reflectance factor and sky and surface radiances. A complete scan of both sky and ground hemispheres takes approximately 3 minutes.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
Ceptometers are ground-based radiation sensors used to measure photosynthetically active radiation (PAR) in plant canopies. Ceptometers make PAR measurements above and below the canopy to calculate the leaf area index (LAI). Ceptometers are used for vegetation and agriculture research into plant growth, canopy structure, light interception, and other canopy characteristics.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
Eddy Covariance Flux Towers are in situ micrometeorological surface towers. They are equipped with gas sensors to continuously measure the trace gas fluxes between the land surface and the atmosphere. Eddy Covariance Towers are typically used to measure fluxes for carbon dioxide (CO2), methane (CH4), and water vapor (H2O). These towers are also equipped with various meteorological sensors to measure air temperature, precipitation, winds, radiation, and soil temperature.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
Earth Science > Atmosphere > Atmospheric Winds
Earth Science > Atmosphere > Precipitation
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Infrared Thermometers (IRTs) are ground-based pyrometers that measure the brightness temperature of a scene within their field of view. They determine brightness temperature by detecting electromagnetic radiation emitted by Earth’s surface. These measurements are used to find either the surface skin temperature or the sea surface temperature, depending on whether the platform is on land or water. IRTs typically operate within the 8- to 14-μm wavelength range.
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
The LI-COR Quantum Sensor is a ground-based, in situ radiation sensor manufactured by LI-COR. It collects precise photosynthetically active radiation (PAR) measurements beneath vegetation or under artificial light sources. The sensor detects radiation within the same light spectrum (400 - 700 nm) that plants use for photosynthesis. While primarily used for ground-based measurements, the LI-COR Quantum Sensor can also be mounted on aircraft. It is suitable for long-term deployments and remains durable in high temperatures and humidity conditions.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Biosphere > Vegetation
The Analytical Spectral Device Full Range (ASD-FR) is a ground-based passive spectroradiometer made by Malvern PANalytical. It measures reflectance, transmittance, radiance, and irradiance spectra of vegetation, soils, rocks, and bodies of water. It operates across the entire solar irradiance spectrum (350-2500 nm). It has a spectral resolution of 3 nm in the visible and near-infrared (VNIR) region and 8 nm in the shortwave infrared (SWIR). ASD-FR is used for collecting ground truth data, geology research, plant physiology, ecology studies, and other atmospheric remote sensing applications.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Radiance
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Radiance
The Surface-sensing Measurements for Atmospheric Radiative Transfer (SMART) is a ground-based remote instrument suite operated by NASA Goddard Space Flight Center (GSFC). It consists of several remote sensing instruments, such as a micro-pulse lidar, sun photometer, and broadband radiometers housed in a twenty-foot trailer. SMART provides measurements of solar spectral radiance, surface spectral bi-directional reflectance, albedo, and shortwave and longwave irradiance at a spectral resolution of 1 nm. It operates across the ultraviolet to microwave spectral range. SMART is part of the SMARTLabs mobile facilities.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance > Shortwave Downward Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Albedo
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Spectral Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
A pyrheliometer is a ground-based passive radiation sensor. It is used to measure direct beam solar irradiance. Pyrheliometers use a thermopile that converts heat from sunlight to an electrical signal to determine solar radiation. Pyrheliometers measure solar radiation in the 200-4000 nm wavelength range.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Southern African Regional Science Initiative
1999—2001
Southern Africa
view all deployment dates
4 Deployments
· 110 Data Products| 2000-02-01 | 2000-03-31 |
| 2001-03-01 | 2001-03-31 |
| 1999-08-01 | 1999-09-30 |
| 2000-08-01 | 2000-09-30 |
The Fourier Transformation Spectrometer (FTS) is a high-resolution spectrometer used both in airborne and ground-based applications. FTS measures the solar radiance reflected from the surface, which can be used to estimate levels of carbon monoxide (CO), carbon dioxide (CO2), and methane (CH4) in the atmosphere. It offers a spatial resolution of approximately 100m by 1000m and operates at a measurement frequency of 1 Hz during typical research flights.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
Ceptometers are ground-based radiation sensors used to measure photosynthetically active radiation (PAR) in plant canopies. Ceptometers make PAR measurements above and below the canopy to calculate the leaf area index (LAI). Ceptometers are used for vegetation and agriculture research into plant growth, canopy structure, light interception, and other canopy characteristics.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
Eddy Covariance Flux Towers are in situ micrometeorological surface towers. They are equipped with gas sensors to continuously measure the trace gas fluxes between the land surface and the atmosphere. Eddy Covariance Towers are typically used to measure fluxes for carbon dioxide (CO2), methane (CH4), and water vapor (H2O). These towers are also equipped with various meteorological sensors to measure air temperature, precipitation, winds, radiation, and soil temperature.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
Earth Science > Atmosphere > Atmospheric Winds
Earth Science > Atmosphere > Precipitation
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Infrared Thermometers (IRTs) are ground-based pyrometers that measure the brightness temperature of a scene within their field of view. They determine brightness temperature by detecting electromagnetic radiation emitted by Earth’s surface. These measurements are used to find either the surface skin temperature or the sea surface temperature, depending on whether the platform is on land or water. IRTs typically operate within the 8- to 14-μm wavelength range.
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
The LI-COR Quantum Sensor is a ground-based, in situ radiation sensor manufactured by LI-COR. It collects precise photosynthetically active radiation (PAR) measurements beneath vegetation or under artificial light sources. The sensor detects radiation within the same light spectrum (400 - 700 nm) that plants use for photosynthesis. While primarily used for ground-based measurements, the LI-COR Quantum Sensor can also be mounted on aircraft. It is suitable for long-term deployments and remains durable in high temperatures and humidity conditions.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Biosphere > Vegetation
The Analytical Spectral Device Full Range (ASD-FR) is a ground-based passive spectroradiometer made by Malvern PANalytical. It measures reflectance, transmittance, radiance, and irradiance spectra of vegetation, soils, rocks, and bodies of water. It operates across the entire solar irradiance spectrum (350-2500 nm). It has a spectral resolution of 3 nm in the visible and near-infrared (VNIR) region and 8 nm in the shortwave infrared (SWIR). ASD-FR is used for collecting ground truth data, geology research, plant physiology, ecology studies, and other atmospheric remote sensing applications.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Radiance
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Radiance
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Tropical Composition, Cloud and Climate Coupling
2007
Costa Rica, tropical Eastern Pacific
view all deployment dates
1 Deployment
· 2 Data Products| 2007-06-16 | 2007-08-15 |
The NASA S-band Dual Polarimetric Radar (NPOL) is a portable, ground-based scanning dual-polarimetric Doppler radar. As an active remote sensor, NPOL detects reflected electromagnetic waves to determine radar reflectivity, Doppler velocity, rainfall rate, particle size distribution, water content, and precipitation type. Normally, NPOL has a beamwidth of 0.95°, a gate spacing of 0.15 km, and a maximum range of 150 km. It is operationally comparable to Doppler radars used by the U.S. National Weather Service’s Next Generation Weather Radar (NEXRAD) network, but NPOL has the benefit of being fully deployable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Precipitation > Precipitation Profiles > Rain Type
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
CITE
Global Tropospheric Experiment - Chemical Instrument Test and Evaluation
1983—1989
Wallops Island, Hawaii, Central Pacific, California, Eastern Pacific Ocean, North Atlantic
view all deployment dates
5 Deployments
· 6 Data Products| 1983-07-05 | 1983-07-29 |
| 1984-04-17 | 1984-05-09 |
| 1989-08-22 | 1989-09-29 |
| 1983-10-19 | 1983-11-26 |
| 1986-08-11 | 1986-09-05 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Differential Absorption Carbon monOxide Measurements (DACOM) is an airborne in situ spectrometer system. It uses the differential absorption technique and an infrared tunable diode laser (TDL) to collect measurements of nitrous oxide (N2O), carbon dioxide (CO2), carbon monoxide (CO), and methane (CH4) in the atmosphere. DACOM operates across the 4.7, 4.5, and 3.3 μm wavelengths to access the absorption lines for CO, N2O, and CH4. It has a measurement frequency of 5 Hz and a precision of about 1 ppbv.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Gas Chromatography/Mass Spectrometry (GC-MS) is an in situ measurement technique used to analyze volatile organic compounds (VOCs) in the atmosphere. It employs gas chromatography to separate components of an air sample, and mass spectrometry to ionize, identify, and quantify gas species. GC-MS is utilized to detect VOCs, halocarbons, hydrocarbons, and various other pollutants. It can be used for ground-based or airborne operations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Non-methane Hydrocarbons/volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Halocarbons
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
NOx/NOxy is an in situ chemiluminescence instrument that measures nitrogen oxides and ozone in the atmosphere. It offers a spatial resolution better than 100 meters at typical DC-8 research flight speeds. NOx/NOxy can be used on ground-based, airborne, and shipborne platforms, enabling it to support various atmospheric chemistry and air quality studies.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Oxides
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Nitrogen Oxides
The Forward Scattering Spectrometer Probe (FSSP) is an in situ airborne optical particle counter initially developed by Particle Measuring Systems, Inc. It determines particle size distribution by measuring the light intensity scattered by individual particles within the cloud. FSSP can detect particles ranging from 0.5 to 47 μm in diameter. It functions at a wavelength of 633 nm and typically samples at a rate of 1 Hz.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Clouds > Cloud Microphysics
The Georgia-Tech Laser Induced Fluorescence (GT-LIF) is an airborne in situ sensor that detects nitric oxide (NO), formaldehyde (HCHO), and nitrogen dioxide (NO2). It uses laser-induced fluorescence, which excites gas molecules to a higher energy state and then detects the emitted fluorescence as they return to a lower energy state. The emitted fluorescence helps determine gas concentrations and mixing ratios. For NO, molecules are excited at 226 nm, with fluorescence detected at 247 nm. HCHO is excited at 353 nm, and its fluorescence is detected at 400-450 nm, while NO2 is excited at 435 nm and detected around 780 nm.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry
Airborne Southern Hemisphere Ozone Experiment
1994
Moffett Field, California, Christchurch, New Zealand, Hawaii, Fiji
view all deployment dates
1 Deployment
· 0 Data Products| 1994-03-18 | 1994-11-04 |
The NASA Goddard Tropospheric Ozone Lidar (TROPOZ) is a mobile, ground-based lidar that is part of the Tropospheric Ozone Lidar Network (TOLNet). It employs the differential absorption lidar (DIAL) technique to measure ozone at wavelengths of 289 nm and 299 nm. TROPOZ has a range resolution of 15 meters, a repetition rate of 50 Hz, and can produce ozone profiles from 0.35 to 16 km above ground level.
Earth Science > Atmosphere > Air Quality > Tropospheric Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry
Cirrus Regional Study of Tropical Anvils and Cirrus Layers Florida Area Cirrus Experiment
2002
Southern Florida
view all deployment dates
1 Deployment
· 0 Data Products| 2002-07-03 | 2002-07-29 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Broadband Radiometers (BBR) are modified versions of the Kipp & Zonen CM-22 pyranometers and CG-4 pyrgeometers. They have been adapted for use on airborne platforms through different instrument housing and signal amplification. BBR measures solar irradiance in the 0.2-3.6 μm wavelength range and infrared (IR) irradiance in the 4.5-42 μm range. These measurements can be used to derive net irradiance, radiative forcing, absorption, and albedo. It has a typical sampling rate of 1 Hz and a hemispheric field of view.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Absorption
Earth Science > Atmosphere > Atmospheric Radiation > Radiative Forcing
Earth Science > Atmosphere > Atmospheric Radiation > Albedo
Earth Science > Atmosphere > Atmospheric Radiation > Radiative Flux
Earth Science > Atmosphere > Atmospheric Radiation
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
The Surface-sensing Measurements for Atmospheric Radiative Transfer (SMART) is a ground-based remote instrument suite operated by NASA Goddard Space Flight Center (GSFC). It consists of several remote sensing instruments, such as a micro-pulse lidar, sun photometer, and broadband radiometers housed in a twenty-foot trailer. SMART provides measurements of solar spectral radiance, surface spectral bi-directional reflectance, albedo, and shortwave and longwave irradiance at a spectral resolution of 1 nm. It operates across the ultraviolet to microwave spectral range. SMART is part of the SMARTLabs mobile facilities.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance > Shortwave Downward Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Albedo
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Spectral Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
The Total Sky Imager (TSI) is a ground-based, optical instrument developed by Yankee Environmental Systems (YES), Inc. TSI provides full-color, hemispheric images of the sky during the day using a charge-coupled device (CCD) imager. It also measures fractional sky cover and sun obscuration caused by clouds. TSI can be mounted on mobile platforms such as trailers and research vehicles, enabling it to collect cloud cover data in different locations during field studies.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Fraction
Earth Science > Atmosphere > Clouds
The NASA S-band Dual Polarimetric Radar (NPOL) is a portable, ground-based scanning dual-polarimetric Doppler radar. As an active remote sensor, NPOL detects reflected electromagnetic waves to determine radar reflectivity, Doppler velocity, rainfall rate, particle size distribution, water content, and precipitation type. Normally, NPOL has a beamwidth of 0.95°, a gate spacing of 0.15 km, and a maximum range of 150 km. It is operationally comparable to Doppler radars used by the U.S. National Weather Service’s Next Generation Weather Radar (NEXRAD) network, but NPOL has the benefit of being fully deployable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Precipitation > Precipitation Profiles > Rain Type
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
Infrared Thermometers (IRTs) are ground-based pyrometers that measure the brightness temperature of a scene within their field of view. They determine brightness temperature by detecting electromagnetic radiation emitted by Earth’s surface. These measurements are used to find either the surface skin temperature or the sea surface temperature, depending on whether the platform is on land or water. IRTs typically operate within the 8- to 14-μm wavelength range.
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
The Precision Radiation Thermometer (PRT-5) is an in situ infrared temperature sensor. It makes non-contact infrared (8-14 μm) temperature measurements between -50 to 150 degrees Celsius with an accuracy of 0.5 degrees Celsius. It has a typical field of view of 2 degrees and a response time of either 0.3 Hz, 3 Hz, or 30 Hz. PRT-5 can be deployed on aircraft, vehicles, research vessels, and other ground-based platforms. It can be used for sea surface, ocean water, cloud, and air temperature measurements.
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature
Earth Science > Oceans > Ocean Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
The Scanning ARM Cloud Radar (SACR) is a ground-based Doppler radar system operated by the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) User Facility. It is a polarimetric Doppler radar consisting of three radar designs at different operating frequencies: X-SACR (9.71 GHz), Ka-SACR (35.3 GHz), and W-SACR (94 GHz). For each deployment location, two SACR radars are deployed with operating frequencies determined by atmospheric attenuation at the site. SACR provides measurements of radar reflectivity, Doppler velocity, spectrum width, and other polarimetric parameters at a gate spacing of 25 meters.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
The Multifilter Rotating Shadowband Radiometer (MFRSR) is a ground-based passive radiometer used to measure the global and diffuse components of solar irradiance. It measures solar irradiance across six narrowband channels and one broadband channel. The nominal wavelengths of the narrowband channels are 415, 500, 615, 673, 870, and 940 nm. MFRSR has a typical sampling interval of 20 seconds and takes measurements at four different shadowband positions: nadir, first side-band, sun-blocked, and second side-band. MFRSR is deployed across several of the Department of Energy’s Atmospheric Radiation Measurement (ARM) User Facility sites.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance > Shortwave Downward Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
The NOAA Portable Cloud Observatory (NPCO) is a ground-based system that profiles clouds using active and remote sensors. It features a millimeter-wave cloud profiling radar (MMCR), a three-channel (21 GHz, 31 GHz, 90 GHz) microwave radiometer, an infrared thermometer, and surface meteorological sensors. The MMCR operates at 35 GHz and collects radar observations at a 45-meter resolution to derive cloud properties. The radiometer measures brightness temperature to determine cloud liquid water content and water vapor. NPCO is housed in a standard 20-foot sea container and can be deployed on land or on research vessels for water-based operations.
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
The Millimeter-Wavelength Cloud Radar (MMCR) is a ground-based radar developed by the NOAA Environmental Technology Laboratory (ETL) for the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) sites. MMCR provides long-term observations of radar reflectivity, Doppler velocity, spectrum width, and other radar parameters for precipitating and nonprecipitating clouds up to 20 km above ground level (AGL). It is a vertically pointing, single-polarization radar system that operates at around 35 GHz. MMCR has a beamwidth of 0.2 degrees and typical vertical resolutions of 45 and 90 meters.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
The Polarization Diversity Lidar (PDL) is a ground-based mobile lidar system developed at the University of Utah. It is a dual-wavelength (1.06 and 0.532 μm) scanning lidar system that simultaneously measures backscatter and depolarization at both wavelengths to characterize clouds and aerosols. It has a spatial resolution of 1.5 meters and a temporal resolution of 0.1 seconds.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Aerosols
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms
2020—2023
Eastern United States
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3 Deployments
· 73 Data Products| 2020-01-17 | 2020-03-01 |
| 2022-01-08 | 2022-02-28 |
| 2023-01-13 | 2023-03-02 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Two-Dimensional Video Disdrometer (2DVD) is a stationary, ground-based optical disdrometer. It has two line-scan cameras that continuously measure various precipitation properties such as droplet shape, fall velocity, and size distribution. The 2DVD precisely measures all precipitation particles larger than 0.2 mm in diameter, making it suitable for various precipitation studies.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
The Autonomous Parsivel Unit (APU) is an in situ ground-based optical disdrometer. APU measures the size and fall velocity of hydrometeors with a range of 0-25 mm in size and 0-20 m/s in fall speed. Using these measurements, the drop size distribution, type, intensity, and amount of precipitation can be determined. APU operates in the 650-780 nm wavelength range and typically samples every 10 seconds.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Pluvio is a ground-based weighing precipitation gauge manufactured by OTT HydroMet. It measures precipitation amount and rate by determining its weight using a high-capacity collection bucket. Pluvio can measure rain, snow, sleet, hail, and mixed precipitation types. It has a standard sampling interval of 1 minute and an accuracy of ± 0.05 to 0.1 mm.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Solid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
The Micro Rain Radar (MRR) is a ground-based, vertically oriented, continuous wave K-band (24.23 GHz) radar that measures various parameters of precipitation, such as liquid water content and rain rate, from near ground level to the lower troposphere. The backscatter captured by the MRR’s antenna can determine precipitation size distributions ranging from 0.25 mm to 4.53 mm and can also calculate the frequency shift of falling precipitation to determine its velocity. Additional uses of the MRR include identifying bright bands, nowcasting precipitation, and tracking chemical transport during precipitation events. It has a range resolution of 10 to 200 meters and a sampling time of 10 seconds.
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Return Power
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
The NASA S-band Dual Polarimetric Radar (NPOL) is a portable, ground-based scanning dual-polarimetric Doppler radar. As an active remote sensor, NPOL detects reflected electromagnetic waves to determine radar reflectivity, Doppler velocity, rainfall rate, particle size distribution, water content, and precipitation type. Normally, NPOL has a beamwidth of 0.95°, a gate spacing of 0.15 km, and a maximum range of 150 km. It is operationally comparable to Doppler radars used by the U.S. National Weather Service’s Next Generation Weather Radar (NEXRAD) network, but NPOL has the benefit of being fully deployable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Precipitation > Precipitation Profiles > Rain Type
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
The Ka-band Scanning Polarimetric Radar (KASPR) is a ground-based polarimetric Doppler radar at the Stony Brook University (SBU) Radar Observatory. It is a 35.29 GHz radar that measures reflectivity, Doppler velocity, and other polarimetric radar observations to characterize clouds and precipitation. KASPR has a beamwidth of 0.32 degrees and a range resolution of 15 to 200 meters.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radial Velocity > Mean Radial Velocity
Earth Science > Spectral/engineering > Radar > Spectrum Width
The SBU Doppler Lidar is a ground-based lidar system operated by Stony Brook University (SBU). It is a Doppler lidar manufactured by Halo Photonics that provides measurements of Doppler velocity, attenuated backscatter, and signal-to-noise ratio (SNR). It operates in the near-infrared (1.5 μm) and is sensitive to micron-sized aerosol backscatter. It can collect measurements up to 12 km and has a range gate of 18 to 60 m. The SBU Doppler Lidar has a temporal resolution ranging from 0.1 to 30 seconds.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Lidar
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
ROGER is a ground-based W-band frequency modulated continuous wave (FMCW) profiling radar operating at Stony Brook – Brookhaven Radar Observatory (SBRO). It was originally developed by ProSensing as an airborne radar system before being converted for ground-based operations. It collects radar measurements at an operating frequency of 94.8 GHz. ROGER has a range resolution of 5-150 m and can detect targets up to 20 km.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar > Spectrum Width
The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar that was developed for NASA’s Global Precipitation Measurement (GPM) mission Ground The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar developed for NASA’s Global Precipitation Measurement (GPM) mission Ground Validation (GV) program. D3R measures radar backscatter to provide reflectivity, Doppler velocity, differential reflectivity, correlation coefficient, and other radar observations. These measurements help derive droplet size distribution and identify hydrometer types. D3R has a beam width of approximately 0.9 degrees, a maximum range of 30 km, and a gate spacing of 150 m. It operates at wavelengths similar to the Dual-frequency Precipitation Radar (DPR) on the GPM Core satellite and can be used to validate DPR observations.
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The Precipitation and Imaging Probe (PIP) is an airborne optical spectrometer developed by Droplet Measurement Technologies. It measures the size and shape of particles ranging from 100 to 6200 μm. It provides two-dimensional images with a pixel resolution of 100 μm. PIP operates at a wavelength of 660 nm and typically samples every second. It has a sample area of 260 mm by 6.2 mm and can function at airspeeds of 10 to 200 meters per second.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Droplet Concentration/size
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Fire Influence on Regional to Global Environments and Air Quality
2019
Northwestern and Southeastern US
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1 Deployment
· 27 Data Products| 2019-07-15 | 2019-09-05 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
The Proton Transfer Mass Spectrometer (PTR-MS) is an in situ spectrometer used both on aircraft and ground, developed by the University of Innsbruck in Austria. It detects volatile organic compounds (VOCs) without the need for sample preparation at very low concentrations. PTR-MS employs chemical ionization mass spectrometry, enabling quick and highly sensitive VOC detection. It has a signal integration time ranging from 0.5 to 1 second.
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Methanol
NOx/NOxy is an in situ chemiluminescence instrument that measures nitrogen oxides and ozone in the atmosphere. It offers a spatial resolution better than 100 meters at typical DC-8 research flight speeds. NOx/NOxy can be used on ground-based, airborne, and shipborne platforms, enabling it to support various atmospheric chemistry and air quality studies.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Oxides
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Nitrogen Oxides
The Aerosol Mass Spectrometer (AMS) is an in situ spectrometer developed by Aerodyne Research. It employs quadrupole mass spectrometry to measure aerosol chemical composition and properties. It can detect particles ranging from 40 nm to 1 micron in size and has a time resolution of up to 10 Hz. It can be installed on aircraft, research vessels, mobile laboratories, or other ground-based platforms.
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Harvard Hydroxyl Experiment (HOx) is an in situ laser-induced fluorescence (LIF) sensor developed by Harvard University. It uses LIF centered at 309 nm to measure hydroxyl radical (OH). The OH is then converted into its first electronic state using a tunable ultraviolet laser near 282 nm. The hydroperoxyl radical (HO2) is measured as OH after chemical titration with nitric oxide. HOx has a short integration time of less than 20 seconds.
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds > Hydroxyl
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds > Hydroperoxy
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry
Generic-Chemical Ionization Mass Spectrometry (Gen-CIMS) refers to a non-specific CIMS instrument on a platform. A CIMS is an in situ mass spectrometer that measures gas species by ionizing the molecules through chemical reactions. They provide measurements of trace gases, organic compounds, inorganic compounds, halogen species, and reactive nitrogen species.
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Synergistic TEMPO Air Quality Science
2023
Los Angeles, New York City, Chicago, United States, North America
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1 Deployment
· 11 Data Products| 2023-06-24 | 2023-08-28 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Differential Optical Absorption Spectroscopy (DOAS) is a passive spectrometer technique used to measure trace gas concentrations. It detects trace gases by measuring specific, narrow-band absorptions in the ultraviolet and visible light spectrum. DOAS is typically used to detect ozone (O3), nitrogen dioxide (NO2), formaldehyde (CH2O), and sulfur dioxide (SO2). It is suitable for both airborne and ground-based applications.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Oxides
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Bromine Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
The Halo Doppler Lidar is a ground-based Doppler wind lidar developed by Halo Photonics. It measures lidar backscatter at 1.5 microns to retrieve boundary layer wind profiles. It can also be used to determine aerosol loading and turbulence. It has a maximum range of 10 km and a vertical resolution of 18 to 60 m, depending on profiling needs. Halo Doppler Lidar has a pulse rate of 10 kHz and a sampling rate of 1 Hz.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
The Langley Mobile Ozone Lidar (LMOL) is a mobile, ground-based lidar developed at NASA Langley Research Center (LaRC). It is a differential absorption lidar used to measure ozone, aerosols, and clouds. It operates at 287 nm and 292 nm for ozone retrievals and at 527 nm for aerosol detection. It has a pulse width of 70 ns and a range resolution of 7.5 m. LMOL is part of the Tropospheric Ozone Lidar Network (TOLNet), which is operated by NASA.
Earth Science > Atmosphere > Air Quality > Tropospheric Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
The Differential Absorption Lidar (DIAL) is an airborne lidar system developed at NASA’s Langley Research Center (LaRC). It uses four lasers to detect lidar backscatter and provide profile measurements of ozone and aerosols in the atmosphere. DIAL operates in the ultraviolet (289-300 nm) for ozone detection and in the visible (572-600 nm) and infrared (1064 nm) for aerosols. It has a horizontal spatial resolution of approximately 15 km and a measurement accuracy of 5 ppbv.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
The NASA Goddard Tropospheric Ozone Lidar (TROPOZ) is a mobile, ground-based lidar that is part of the Tropospheric Ozone Lidar Network (TOLNet). It employs the differential absorption lidar (DIAL) technique to measure ozone at wavelengths of 289 nm and 299 nm. TROPOZ has a range resolution of 15 meters, a repetition rate of 50 Hz, and can produce ozone profiles from 0.35 to 16 km above ground level.
Earth Science > Atmosphere > Air Quality > Tropospheric Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry
The Tunable Optical Profiler for Aerosol and oZone (TOPAZ) is a lidar system developed by the NOAA Chemical Sciences Laboratory. Originally designed for airborne use, it has been reconfigured for deployment in a trailer for ground-based operations. It employs the differential absorption lidar (DIAL) technique to measure ozone concentrations and aerosol backscatter profiles up to 6 to 8 km above ground level (AGL). It functions within the 285 to 310 nm wavelength range and offers an ozone profile vertical resolution of 5 m near the surface and 1000 m at 8 km AGL. TOPAZ is part of the NASA Tropospheric Ozone Lidar Network (TOLNet).
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
CLPX
Cold Land Processes Experiment
2002—2008
Central Rocky Mountains, Colorado, Alaska
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2 Deployments
· 0 Data Products| 2002-02-17 | 2003-04-01 |
| 2006-12-02 | 2008-02-24 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Infrared Thermometers (IRTs) are ground-based pyrometers that measure the brightness temperature of a scene within their field of view. They determine brightness temperature by detecting electromagnetic radiation emitted by Earth’s surface. These measurements are used to find either the surface skin temperature or the sea surface temperature, depending on whether the platform is on land or water. IRTs typically operate within the 8- to 14-μm wavelength range.
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
The Ku-band Scatterometer is an active sensor operating within the 12-18 GHz frequency range. It is a radar system designed to measure backscatter, usually to determine wind speed and direction. It is commonly used for monitoring ocean surface winds, snow and ice, and precipitation.
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Return Power
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
A snow measuring rod is a ground-based instrument used to measure snow depth. It is designed to be pushed into the snow until the underlying surface is reached to determine the snow depth. Snow measuring rods can be manual or automated, with the automated rod able to measure the depth and position simultaneously.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Snow/ice
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
Frequency-modulated continuous wave (FMCW) radars measure the distance and velocity of moving objects simultaneously. They constantly vary their operating frequency while collecting data, which allows them to measure very short ranges of the target. FMCW radars provide high-resolution distance readings and faster update rates than pulsed radars. They can work in different weather conditions and have been used to study snow and ice properties, ocean currents, and precipitation.
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Doppler Velocity
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
The L-band Scatterometer is an active sensor operating within the 1-2 GHz frequency range. It is a radar system designed to measure backscatter, usually to determine Earth's surface characteristics. It is commonly used for monitoring soil moisture, ocean salinity, sea ice, and surface water.
Earth Science > Spectral/engineering > Radar > Return Power
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Boreal Ecosystem-Atmosphere Study
1994—1996
Boreal forests of central Canada
view all deployment dates
2 Deployments
· 303 Data Products| 1994-02-02 | 1994-09-19 |
| 1996-02-27 | 1996-10-21 |
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
A snow measuring rod is a ground-based instrument used to measure snow depth. It is designed to be pushed into the snow until the underlying surface is reached to determine the snow depth. Snow measuring rods can be manual or automated, with the automated rod able to measure the depth and position simultaneously.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Snow/ice
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
The LI-COR Quantum Sensor is a ground-based, in situ radiation sensor manufactured by LI-COR. It collects precise photosynthetically active radiation (PAR) measurements beneath vegetation or under artificial light sources. The sensor detects radiation within the same light spectrum (400 - 700 nm) that plants use for photosynthesis. While primarily used for ground-based measurements, the LI-COR Quantum Sensor can also be mounted on aircraft. It is suitable for long-term deployments and remains durable in high temperatures and humidity conditions.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Biosphere > Vegetation
The Spectron Engineering-590 (SE-590) Spectroradiometer is a portable spectroradiometer manufactured by Spectron Engineering. It can be used on both airborne and ground-based platforms. SE-590 uses a charge-coupled device (CCD) area array detector to measure reflectance. It operates across the visible to short-wave infrared spectral range (350-2500 nm). The SE-590 has a ground resolution of 4.5 meters when flown at an altitude of 300 meters.
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
A Snow Water Equivalent (SWE) Sampler is a ground-based device used in the field to measure SWE. A core sample of snow is collected using a snow tube sampler or snow corer. The tube is inserted vertically into the snowpack until it reaches the ground surface, and a ruler on the tube measures the snow depth. The sample is then removed and weighed on a calibrated scale to determine the snow density. The SWE within the sample is calculated by multiplying the snow density by the snow depth.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Atmosphere > Precipitation > Snow Water Equivalent
Earth Science > Cryosphere > Snow/ice > Snow Water Equivalent
Earth Science > Oceans > Sea Ice > Snow Depth
Earth Science > Climate Indicators > Cryospheric Indicators > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Sea Ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Water Equivalent
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
The Multiband Vegetation Image (MVI) is a ground-based imager operated by the University of Wisconsin. It uses a combination of a charge-coupled device (CCD) camera and a two-band filter exchange mechanism to capture imagery in the visible (400-620 nm) and near-infrared (720-950 nm) spectral bands. This imagery is used to determine canopy and leaf characteristics such as leaf area index (LAI), canopy gap fraction, canopy gap-size distribution, and leaf angle distribution. Each image is 512 x 1024 pixels, with each pixel representing 1 cm at a distance of 10 m from the camera. MVI has a field of view (FOV) of 15 x 30 degrees.
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Imagery
Stream gauges are ground-based sensors that measure the water level or stage of rivers and streams at specific locations. The flow or discharge of a river can then be calculated from these stage measurements. These gauges can provide continuous data, making them useful for monitoring flood risk and water supply. The United States Geological Survey (USGS) operates a network of over 10,000 stream gauges across the United States to assist with flood prediction and water resource management.
Earth Science > Biosphere > Ecosystems > Freshwater Ecosystems > Rivers/stream
Earth Science > Terrestrial Hydrosphere > Surface Water > Surface Water Processes/measurements > Stage Height
The Portable Apparatus for Rapid Acquisition of Bidirectional Observations of the Land and Atmosphere (PARABOLA) is a passive ground-based sphere scanning radiometer. It measures surface reflectance across eight spectral channels. The first four channels (444, 551, 650, and 860 nm) coincide with spectral bands from the Multi-angle Imaging SpectroRadiometer (MISR) on the Terra satellite for validation purposes. The last four channels are used for the characterization of water vapor (944 nm), aerosol optical depth at longer wavelengths (1028 and 1650 nm), and measurements of photosynthetically active radiation (400-700 nm). The measurements from PARABOLA can be used to derive the surface bidirectional reflectance factor and sky and surface radiances. A complete scan of both sky and ground hemispheres takes approximately 3 minutes.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Boreal Ecosystem-Atmosphere Study
1994—1996
Boreal forests of central Canada
view all deployment dates
2 Deployments
· 303 Data Products| 1994-02-02 | 1994-09-19 |
| 1996-02-27 | 1996-10-21 |
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
A snow measuring rod is a ground-based instrument used to measure snow depth. It is designed to be pushed into the snow until the underlying surface is reached to determine the snow depth. Snow measuring rods can be manual or automated, with the automated rod able to measure the depth and position simultaneously.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Snow/ice
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
C-band radars operate within the 4-8 GHz frequency range. They provide measurements of radar reflectivity, Doppler velocity, and other parameters to characterize precipitation and clouds. C-band radars are usually used for short-range weather observations because they are more prone to attenuation.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
The LI-COR Quantum Sensor is a ground-based, in situ radiation sensor manufactured by LI-COR. It collects precise photosynthetically active radiation (PAR) measurements beneath vegetation or under artificial light sources. The sensor detects radiation within the same light spectrum (400 - 700 nm) that plants use for photosynthesis. While primarily used for ground-based measurements, the LI-COR Quantum Sensor can also be mounted on aircraft. It is suitable for long-term deployments and remains durable in high temperatures and humidity conditions.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Biosphere > Vegetation
The Spectron Engineering-590 (SE-590) Spectroradiometer is a portable spectroradiometer manufactured by Spectron Engineering. It can be used on both airborne and ground-based platforms. SE-590 uses a charge-coupled device (CCD) area array detector to measure reflectance. It operates across the visible to short-wave infrared spectral range (350-2500 nm). The SE-590 has a ground resolution of 4.5 meters when flown at an altitude of 300 meters.
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Spectrophotometers are passive photometers that measure the light intensity of the sample solution as a function of the wavelength of the electromagnetic radiation. Spectrophotometers are typically used for ground-based or shipborne observations. They can operate either in the ultraviolet to visible (185-700 nm) spectral range or the infrared (700-15000 nm) range. They are typically used in vegetation studies, air pollution monitoring, and water and soil quality analysis.
Earth Science > Atmosphere > Atmospheric Radiation > Absorption
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Transmittance
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
The Lyman-alpha Hygrometer is an in situ hygrometer designed for deployment on airborne or ground-based platforms. It measures water vapor absorption at the Lyman-alpha wavelength (121.6 nm) of atomic hydrogen to determine the total water content in the atmosphere. It has a detection limit of 0.1 ppmv and a typical data acquisition rate of 1 second. The Lyman-alpha hygrometer provides water vapor measurements with an accuracy of 6% and a precision of 5%.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles > Water Vapor Mixing Ratio Profiles
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Atmospheric Water Vapor
The Analytical Spectral Device Full Range (ASD-FR) is a ground-based passive spectroradiometer made by Malvern PANalytical. It measures reflectance, transmittance, radiance, and irradiance spectra of vegetation, soils, rocks, and bodies of water. It operates across the entire solar irradiance spectrum (350-2500 nm). It has a spectral resolution of 3 nm in the visible and near-infrared (VNIR) region and 8 nm in the shortwave infrared (SWIR). ASD-FR is used for collecting ground truth data, geology research, plant physiology, ecology studies, and other atmospheric remote sensing applications.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Radiance
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Radiance
A Tunable Diode Laser Absorption Spectrometer (TDLAS) is an in situ optical spectrometer used either on aircraft or on the ground. TDLAS detects the wavelength-dependent absorption of light to measure the concentrations of various trace gases. It can also identify the gas species' temperature, pressure, velocity, and mass flux when applicable. TDLAS typically has a time resolution of 1 second.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
A Snow Water Equivalent (SWE) Sampler is a ground-based device used in the field to measure SWE. A core sample of snow is collected using a snow tube sampler or snow corer. The tube is inserted vertically into the snowpack until it reaches the ground surface, and a ruler on the tube measures the snow depth. The sample is then removed and weighed on a calibrated scale to determine the snow density. The SWE within the sample is calculated by multiplying the snow density by the snow depth.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Atmosphere > Precipitation > Snow Water Equivalent
Earth Science > Cryosphere > Snow/ice > Snow Water Equivalent
Earth Science > Oceans > Sea Ice > Snow Depth
Earth Science > Climate Indicators > Cryospheric Indicators > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Sea Ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Water Equivalent
Ceptometers are ground-based radiation sensors used to measure photosynthetically active radiation (PAR) in plant canopies. Ceptometers make PAR measurements above and below the canopy to calculate the leaf area index (LAI). Ceptometers are used for vegetation and agriculture research into plant growth, canopy structure, light interception, and other canopy characteristics.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
The Multiband Vegetation Image (MVI) is a ground-based imager operated by the University of Wisconsin. It uses a combination of a charge-coupled device (CCD) camera and a two-band filter exchange mechanism to capture imagery in the visible (400-620 nm) and near-infrared (720-950 nm) spectral bands. This imagery is used to determine canopy and leaf characteristics such as leaf area index (LAI), canopy gap fraction, canopy gap-size distribution, and leaf angle distribution. Each image is 512 x 1024 pixels, with each pixel representing 1 cm at a distance of 10 m from the camera. MVI has a field of view (FOV) of 15 x 30 degrees.
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Imagery
The High-Performance Liquid Chromatograph (HPLC) is an in situ ground-based analyzer used to separate and identify components in a sample of air or a mixture. It works by injecting a liquid into the sample, causing different flow rates for each component as they pass through the column. As each component exits the column, their concentrations are measured at a high resolution. In Earth science research, HPLC is commonly used to detect various trace species in the atmosphere, such as formaldehyde, hydrogen peroxide, and volatile organic compounds (VOCs). Although primarily used for laboratory analysis and ground-based measurements, it can also be employed for airborne measurements.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds > Hydroperoxy
The NOAA/ETL Scanning Ka-band Cloud Radar (NOAA/K) is a ground-based millimeter wave radar. It operates at a 34.66 GHz frequency to measure radar reflectivity and Doppler velocity. These measurements are used to characterize cloud microphysical properties such as cloud droplet size and concentration. NOAA/K has a beam width ranging from 0.3 to 0.5 degrees, a pulse length of 0.25 microseconds, and a resolution of 37.5 meters. It is deployed on a flatbed trailer, making it easily transportable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Droplet Concentration/size
NOx/NOxy is an in situ chemiluminescence instrument that measures nitrogen oxides and ozone in the atmosphere. It offers a spatial resolution better than 100 meters at typical DC-8 research flight speeds. NOx/NOxy can be used on ground-based, airborne, and shipborne platforms, enabling it to support various atmospheric chemistry and air quality studies.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Oxides
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Nitrogen Oxides
The Radio Acoustic Sounding System (RASS) is an active ground-based acoustic sounder that provides profiles of virtual temperature. It uses radar techniques to measure acoustic disturbances and derive the virtual temperature. RASS is typically used alongside radar wind profilers (RWPs) and operates at frequencies of 915 MHz and 1290 MHz. It has a sampling rate of approximately 5 to 15 minutes, a vertical resolution of 150 m, and a horizontal resolution of 60 m.
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Boundary Layer Temperature
Earth Science > Atmosphere > Atmospheric Pressure > Planetary Boundary Layer Height
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Virtual Temperature
Stream gauges are ground-based sensors that measure the water level or stage of rivers and streams at specific locations. The flow or discharge of a river can then be calculated from these stage measurements. These gauges can provide continuous data, making them useful for monitoring flood risk and water supply. The United States Geological Survey (USGS) operates a network of over 10,000 stream gauges across the United States to assist with flood prediction and water resource management.
Earth Science > Biosphere > Ecosystems > Freshwater Ecosystems > Rivers/stream
Earth Science > Terrestrial Hydrosphere > Surface Water > Surface Water Processes/measurements > Stage Height
The Portable Apparatus for Rapid Acquisition of Bidirectional Observations of the Land and Atmosphere (PARABOLA) is a passive ground-based sphere scanning radiometer. It measures surface reflectance across eight spectral channels. The first four channels (444, 551, 650, and 860 nm) coincide with spectral bands from the Multi-angle Imaging SpectroRadiometer (MISR) on the Terra satellite for validation purposes. The last four channels are used for the characterization of water vapor (944 nm), aerosol optical depth at longer wavelengths (1028 and 1650 nm), and measurements of photosynthetically active radiation (400-700 nm). The measurements from PARABOLA can be used to derive the surface bidirectional reflectance factor and sky and surface radiances. A complete scan of both sky and ground hemispheres takes approximately 3 minutes.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
SnowEx
2016—2023
Colorado, Idaho, Utah, Alaska
view all deployment dates
4 Deployments
· 86 Data Products| 2016-09-26 | 2017-02-26 |
| 2019-11-14 | 2020-03-12 |
| 2022-10-22 | 2023-10-28 |
| 2020-11-16 | 2021-09-21 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
Ground penetrating radar (GPR) is an electromagnetic geophysical technique used to image the subsurface. It transmits radio wave pulses to detect returning signals, which help determine the depth and size of subsurface targets. GPR generally operates in the 10 to 1000 MHz frequency range and can reach depths of about 10 to 100 meters, depending on the surface. In Earth science, GPR is used to measure ice thickness, soil layers, groundwater levels, bedrock depth, water depth, rock fractures, and various other applications.
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Imagery
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The Riegl VZ-1000 is a ground-based terrestrial laser scanner manufactured by Riegl Laser Measurement Systems. It provides lidar point cloud measurements to determine surface topography features. It operates at a 1550 nm wavelength and has a scan rate of up to 122,000 points per second. It has a maximum scan range of 1.4 km and a resolution of 2 cm.
Earth Science > Land Surface > Topography > Terrain Elevation
Earth Science > Land Surface > Topography
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
The SnowMicroPen (SMP) is a ground-based snow penetrometer operated by the WSL Institute for Snow and Avalanche Research SLF. It measures the penetration resistance of snowpacks using a piezoelectric force sensor. These measurements help determine microstructural parameters, snow stratigraphy, and snow properties such as density and surface area. SMP typically can measure snow depths up to 1.25 m with a vertical resolution of less than 1 mm.
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
Earth Science > Cryosphere > Snow/ice > Snow Stratigraphy
Earth Science > Cryosphere > Snow/ice
A snow measuring rod is a ground-based instrument used to measure snow depth. It is designed to be pushed into the snow until the underlying surface is reached to determine the snow depth. Snow measuring rods can be manual or automated, with the automated rod able to measure the depth and position simultaneously.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Snow/ice
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
Convection and Moisture Experiment
1993—2001
US Atlantic coast, Gulf of Mexico, Caribbean
view all deployment dates
4 Deployments
· 70 Data Products| 1993-09-07 | 1993-10-08 |
| 1995-08-23 | 1995-09-02 |
| 1998-08-04 | 1998-09-30 |
| 2001-08-03 | 2001-09-28 |
The Atmospheric Emitted Radiance Interferometer (AERI) is a ground-based passive interferometer developed by the University of Wisconsin Space Science and Engineering Center (UW-SSEC) for the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) Program. It uses Fourier transform spectroscopy to measure downwelling thermal infrared emissions from the atmosphere. These measurements can be used to provide profile measurements of atmospheric temperature and water vapor and detect trace gases. AERI operates across the 3.3-19 μm spectral range and up to 25 μm for the extended range version of the instrument. It has an optimal vertical resolution of 100 meters and completes a full sky scan about every 20 seconds.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
The Raman Lidar (RL) is a ground-based lidar system operated by the Department of Energy’s (DoE) Atmospheric Radiation Measurement (ARM) User Facility. It detects Raman backscatter in the ultraviolet range (355 nm) to provide profiles of water vapor, temperature, and aerosol and cloud optical properties. It also detects Raman backscatter from water vapor at 408 nm and molecular nitrogen at 387 nm to help derive aerosol optical properties and water vapor mixing ratios. It has a range resolution of 7.5 m, a time resolution of 10 seconds, and a pulse repetition frequency of 30 Hz. RL can deliver profile measurements from approximately 200 m up to 10 km above ground level.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles > Water Vapor Mixing Ratio Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
Convection and Moisture Experiment
1993—2001
US Atlantic coast, Gulf of Mexico, Caribbean
view all deployment dates
4 Deployments
· 70 Data Products| 1993-09-07 | 1993-10-08 |
| 1995-08-23 | 1995-09-02 |
| 1998-08-04 | 1998-09-30 |
| 2001-08-03 | 2001-09-28 |
The Scanning High-resolution Interferometer Sounder (S-HIS) is an airborne cross-track scanning interferometer developed by the Space Science and Engineering Center at the University of Wisconsin-Madison. It measures emitted thermal radiation between 3.3 and 18 microns with high spectral resolution. These measurements help derive atmospheric profiles of temperature and water vapor in clear-sky conditions. S-HIS has a spatial resolution of 2 km and a swath width of 40 km at an altitude of 20 km at nadir. It operates at a sampling frequency of 0.5 seconds and has an absolute radiance accuracy of 0.2 K.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Radiation > Atmospheric Emitted Radiation
Earth Science > Atmosphere > Atmospheric Water Vapor
The Raman Lidar (RL) is a ground-based lidar system operated by the Department of Energy’s (DoE) Atmospheric Radiation Measurement (ARM) User Facility. It detects Raman backscatter in the ultraviolet range (355 nm) to provide profiles of water vapor, temperature, and aerosol and cloud optical properties. It also detects Raman backscatter from water vapor at 408 nm and molecular nitrogen at 387 nm to help derive aerosol optical properties and water vapor mixing ratios. It has a range resolution of 7.5 m, a time resolution of 10 seconds, and a pulse repetition frequency of 30 Hz. RL can deliver profile measurements from approximately 200 m up to 10 km above ground level.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles > Water Vapor Mixing Ratio Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
The Atmospheric Emitted Radiance Interferometer (AERI) is a ground-based passive interferometer developed by the University of Wisconsin Space Science and Engineering Center (UW-SSEC) for the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) Program. It uses Fourier transform spectroscopy to measure downwelling thermal infrared emissions from the atmosphere. These measurements can be used to provide profile measurements of atmospheric temperature and water vapor and detect trace gases. AERI operates across the 3.3-19 μm spectral range and up to 25 μm for the extended range version of the instrument. It has an optimal vertical resolution of 100 meters and completes a full sky scan about every 20 seconds.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
Convection and Moisture Experiment
1993—2001
US Atlantic coast, Gulf of Mexico, Caribbean
view all deployment dates
4 Deployments
· 70 Data Products| 1993-09-07 | 1993-10-08 |
| 1995-08-23 | 1995-09-02 |
| 1998-08-04 | 1998-09-30 |
| 2001-08-03 | 2001-09-28 |
The X-Band Polarimetric Doppler Weather Radar (XPOL) is a ground-based, transportable polarimetric radar manufactured by ProSensing. XPOL measures reflectivity, Doppler velocity, and polarimetric radar parameters to characterize precipitation and clouds. XPOL operates at a 9.41 GHz frequency and has a typical beam width of 1.4 degrees. It has a selectable range resolution of 15-150 meters.
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Clouds
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The Tropical Ocean/Global Atmosphere (TOGA) C-band Radar is a ground-based radar that was developed for the TOGA COARE campaign. It is a C-band (5600-5650 MHz) Doppler radar that measures reflectivity, Doppler velocity, spectrum width, and other radar parameters to characterize precipitation. It is currently located at Wallops Flight Facility (WFF) and can be deployed for land or sea-based operations. The TOGA radar has a beam width of 1.55 degrees and a typical bin spacing of 150 meters.
Earth Science > Spectral/engineering > Radar > Radial Velocity > Mean Radial Velocity
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The NASA S-band Dual Polarimetric Radar (NPOL) is a portable, ground-based scanning dual-polarimetric Doppler radar. As an active remote sensor, NPOL detects reflected electromagnetic waves to determine radar reflectivity, Doppler velocity, rainfall rate, particle size distribution, water content, and precipitation type. Normally, NPOL has a beamwidth of 0.95°, a gate spacing of 0.15 km, and a maximum range of 150 km. It is operationally comparable to Doppler radars used by the U.S. National Weather Service’s Next Generation Weather Radar (NEXRAD) network, but NPOL has the benefit of being fully deployable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Precipitation > Precipitation Profiles > Rain Type
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms
2020—2023
Eastern United States
view all deployment dates
3 Deployments
· 73 Data Products| 2020-01-17 | 2020-03-01 |
| 2022-01-08 | 2022-02-28 |
| 2023-01-13 | 2023-03-02 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Two-Dimensional Video Disdrometer (2DVD) is a stationary, ground-based optical disdrometer. It has two line-scan cameras that continuously measure various precipitation properties such as droplet shape, fall velocity, and size distribution. The 2DVD precisely measures all precipitation particles larger than 0.2 mm in diameter, making it suitable for various precipitation studies.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
The Autonomous Parsivel Unit (APU) is an in situ ground-based optical disdrometer. APU measures the size and fall velocity of hydrometeors with a range of 0-25 mm in size and 0-20 m/s in fall speed. Using these measurements, the drop size distribution, type, intensity, and amount of precipitation can be determined. APU operates in the 650-780 nm wavelength range and typically samples every 10 seconds.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Precipitation Amount
The Precipitation and Imaging Probe (PIP) is an airborne optical spectrometer developed by Droplet Measurement Technologies. It measures the size and shape of particles ranging from 100 to 6200 μm. It provides two-dimensional images with a pixel resolution of 100 μm. PIP operates at a wavelength of 660 nm and typically samples every second. It has a sample area of 260 mm by 6.2 mm and can function at airspeeds of 10 to 200 meters per second.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Droplet Concentration/size
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
The Micro Rain Radar (MRR) is a ground-based, vertically oriented, continuous wave K-band (24.23 GHz) radar that measures various parameters of precipitation, such as liquid water content and rain rate, from near ground level to the lower troposphere. The backscatter captured by the MRR’s antenna can determine precipitation size distributions ranging from 0.25 mm to 4.53 mm and can also calculate the frequency shift of falling precipitation to determine its velocity. Additional uses of the MRR include identifying bright bands, nowcasting precipitation, and tracking chemical transport during precipitation events. It has a range resolution of 10 to 200 meters and a sampling time of 10 seconds.
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Return Power
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
The NASA S-band Dual Polarimetric Radar (NPOL) is a portable, ground-based scanning dual-polarimetric Doppler radar. As an active remote sensor, NPOL detects reflected electromagnetic waves to determine radar reflectivity, Doppler velocity, rainfall rate, particle size distribution, water content, and precipitation type. Normally, NPOL has a beamwidth of 0.95°, a gate spacing of 0.15 km, and a maximum range of 150 km. It is operationally comparable to Doppler radars used by the U.S. National Weather Service’s Next Generation Weather Radar (NEXRAD) network, but NPOL has the benefit of being fully deployable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Precipitation > Precipitation Profiles > Rain Type
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
Pluvio is a ground-based weighing precipitation gauge manufactured by OTT HydroMet. It measures precipitation amount and rate by determining its weight using a high-capacity collection bucket. Pluvio can measure rain, snow, sleet, hail, and mixed precipitation types. It has a standard sampling interval of 1 minute and an accuracy of ± 0.05 to 0.1 mm.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Solid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
This description will be added in a future version.
Earth Science > Spectral/engineering > Radar > Radial Velocity > Mean Radial Velocity
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radial Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Atmospheric Radiation Measurement Enhanced Shortwave Experiment
1995—2000
Southern Great Plains, Southwestern United States
view all deployment dates
2 Deployments
· 1 Data Product| 1995-09-22 | 1995-11-01 |
| 2000-02-21 | 2000-04-05 |
The Radio Acoustic Sounding System (RASS) is an active ground-based acoustic sounder that provides profiles of virtual temperature. It uses radar techniques to measure acoustic disturbances and derive the virtual temperature. RASS is typically used alongside radar wind profilers (RWPs) and operates at frequencies of 915 MHz and 1290 MHz. It has a sampling rate of approximately 5 to 15 minutes, a vertical resolution of 150 m, and a horizontal resolution of 60 m.
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Boundary Layer Temperature
Earth Science > Atmosphere > Atmospheric Pressure > Planetary Boundary Layer Height
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Virtual Temperature
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
The Total Solar Broadband Radiometer (TSBR) is a ground-based or airborne radiometer operated by the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) User Facility. It measures total solar irradiance across wavelengths from 0.224 to 3.91 μm. TSBR uses electrically calibrated pyroelectric detectors and has a hemispherical field of view. It usually operates as part of the Radiation Measurement System (RAMS) instrument package alongside the Fractional Solar Broadband Radiometer (FSBR).
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance > Shortwave Downward Irradiance
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
W-band radars are highly sensitive radars used for atmospheric research. They operate around the 94-95 GHz frequency band, allowing for the detection of small water droplets. W-band radars are used for cloud and precipitation studies since they can provide more detailed observations than typical weather radars. They can be deployed on research vessels, aircraft, and mobile ground-based platforms.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
The Micropulse Lidar (MPL) is a ground-based lidar system used for cloud detection. It measures lidar backscatter at 532 nm to retrieve cloud properties such as cloud top and base height. It can also be used for the detection of aerosols. MPL has a vertical resolution of 15 m and a maximum range of 18 km. MPL can operate autonomously and typically provides 10-second averaged data.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Top Height
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
The Total Direct Diffuse Radiometer (TDDR) is a passive radiometer that measures solar irradiance. It can be used for airborne and ground-based operations. TDDR measures total and diffuse irradiance by rotating a shadow arm before the radiometer. These measurements can be used to calculate the direct solar irradiance. TDDR operates across the 0.38-1.6 μm spectral range with a 0.01 μm bandwidth.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
The Multifilter Rotating Shadowband Radiometer (MFRSR) is a ground-based passive radiometer used to measure the global and diffuse components of solar irradiance. It measures solar irradiance across six narrowband channels and one broadband channel. The nominal wavelengths of the narrowband channels are 415, 500, 615, 673, 870, and 940 nm. MFRSR has a typical sampling interval of 20 seconds and takes measurements at four different shadowband positions: nadir, first side-band, sun-blocked, and second side-band. MFRSR is deployed across several of the Department of Energy’s Atmospheric Radiation Measurement (ARM) User Facility sites.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance > Shortwave Downward Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
The Fractional Solar Broadband Radiometer (FSBR) is an airborne broadband radiometer that is typically utilized as part of the Radiation Measurement System (RAMS) instrument suite. It measures fractional downwelling shortwave radiation. FSBR covers a portion of the near-infrared spectrum between 0.68 and 3.3 µm and has a data frequency of 9 Hz. FSBR can be deployed on ground-based platforms as well and is a complementary instrument to the Total Solar Broadband Radiometer (TSBR).
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Oceans > Ocean Heat Budget > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
The Radiation Measurement System (RAMS) is an airborne passive radiometer that measures broadband solar irradiance. RAMS includes two radiometers: the Total Solar Broadband Radiometer (TSBR) and the Fractional Solar Broadband Radiometer (FSBR). The TSBR operates in the 0.224 to 3.91 μm range, while the FSBR operates between 0.68 and 3.3 μm. It has a response time of approximately 60 milliseconds and can provide measurements every 5 meters for aircraft speeds around 75 m/s. RAMS is primarily used for airborne operations but can also be used to collect ground-based measurements.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Atmospheric Radiation Measurement Enhanced Shortwave Experiment
1995—2000
Southern Great Plains, Southwestern United States
view all deployment dates
2 Deployments
· 1 Data Product| 1995-09-22 | 1995-11-01 |
| 2000-02-21 | 2000-04-05 |
The Total Solar Broadband Radiometer (TSBR) is a ground-based or airborne radiometer operated by the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) User Facility. It measures total solar irradiance across wavelengths from 0.224 to 3.91 μm. TSBR uses electrically calibrated pyroelectric detectors and has a hemispherical field of view. It usually operates as part of the Radiation Measurement System (RAMS) instrument package alongside the Fractional Solar Broadband Radiometer (FSBR).
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance > Shortwave Downward Irradiance
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
The Millimeter-Wavelength Cloud Radar (MMCR) is a ground-based radar developed by the NOAA Environmental Technology Laboratory (ETL) for the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) sites. MMCR provides long-term observations of radar reflectivity, Doppler velocity, spectrum width, and other radar parameters for precipitating and nonprecipitating clouds up to 20 km above ground level (AGL). It is a vertically pointing, single-polarization radar system that operates at around 35 GHz. MMCR has a beamwidth of 0.2 degrees and typical vertical resolutions of 45 and 90 meters.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
The Total Direct Diffuse Radiometer (TDDR) is a passive radiometer that measures solar irradiance. It can be used for airborne and ground-based operations. TDDR measures total and diffuse irradiance by rotating a shadow arm before the radiometer. These measurements can be used to calculate the direct solar irradiance. TDDR operates across the 0.38-1.6 μm spectral range with a 0.01 μm bandwidth.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
The Multifilter Rotating Shadowband Radiometer (MFRSR) is a ground-based passive radiometer used to measure the global and diffuse components of solar irradiance. It measures solar irradiance across six narrowband channels and one broadband channel. The nominal wavelengths of the narrowband channels are 415, 500, 615, 673, 870, and 940 nm. MFRSR has a typical sampling interval of 20 seconds and takes measurements at four different shadowband positions: nadir, first side-band, sun-blocked, and second side-band. MFRSR is deployed across several of the Department of Energy’s Atmospheric Radiation Measurement (ARM) User Facility sites.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance > Shortwave Downward Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
The Fractional Solar Broadband Radiometer (FSBR) is an airborne broadband radiometer that is typically utilized as part of the Radiation Measurement System (RAMS) instrument suite. It measures fractional downwelling shortwave radiation. FSBR covers a portion of the near-infrared spectrum between 0.68 and 3.3 µm and has a data frequency of 9 Hz. FSBR can be deployed on ground-based platforms as well and is a complementary instrument to the Total Solar Broadband Radiometer (TSBR).
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Oceans > Ocean Heat Budget > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
The Radiation Measurement System (RAMS) is an airborne passive radiometer that measures broadband solar irradiance. RAMS includes two radiometers: the Total Solar Broadband Radiometer (TSBR) and the Fractional Solar Broadband Radiometer (FSBR). The TSBR operates in the 0.224 to 3.91 μm range, while the FSBR operates between 0.68 and 3.3 μm. It has a response time of approximately 60 milliseconds and can provide measurements every 5 meters for aircraft speeds around 75 m/s. RAMS is primarily used for airborne operations but can also be used to collect ground-based measurements.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
PEM
Pacific Exploratory Mission
1991—1999
Pacific Ocean
view all deployment dates
4 Deployments
· 51 Data Products| 1991-09-16 | 1991-10-21 |
| 1994-02-07 | 1994-03-14 |
| 1996-08-14 | 1996-10-06 |
| 1999-03-06 | 1999-04-20 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Nephelometers are in situ optical sensors that can be airborne or ground-based. They measure the total scattering and backscattering of aerosol particles in the atmosphere. Nephelometers operate at three wavelengths: 450 nm, 550 nm, and 700 nm, with a typical time resolution of 1 Hz.
Earth Science > Atmosphere > Aerosols > Aerosol Forward Scatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The High-Performance Liquid Chromatograph (HPLC) is an in situ ground-based analyzer used to separate and identify components in a sample of air or a mixture. It works by injecting a liquid into the sample, causing different flow rates for each component as they pass through the column. As each component exits the column, their concentrations are measured at a high resolution. In Earth science research, HPLC is commonly used to detect various trace species in the atmosphere, such as formaldehyde, hydrogen peroxide, and volatile organic compounds (VOCs). Although primarily used for laboratory analysis and ground-based measurements, it can also be employed for airborne measurements.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds > Hydroperoxy
NOx/NOxy is an in situ chemiluminescence instrument that measures nitrogen oxides and ozone in the atmosphere. It offers a spatial resolution better than 100 meters at typical DC-8 research flight speeds. NOx/NOxy can be used on ground-based, airborne, and shipborne platforms, enabling it to support various atmospheric chemistry and air quality studies.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Oxides
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Nitrogen Oxides
PEM
Pacific Exploratory Mission
1991—1999
Pacific Ocean
view all deployment dates
4 Deployments
· 51 Data Products| 1991-09-16 | 1991-10-21 |
| 1994-02-07 | 1994-03-14 |
| 1996-08-14 | 1996-10-06 |
| 1999-03-06 | 1999-04-20 |
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
NOx/NOxy is an in situ chemiluminescence instrument that measures nitrogen oxides and ozone in the atmosphere. It offers a spatial resolution better than 100 meters at typical DC-8 research flight speeds. NOx/NOxy can be used on ground-based, airborne, and shipborne platforms, enabling it to support various atmospheric chemistry and air quality studies.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Oxides
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Nitrogen Oxides
Thermo Scientific Gas Analyzers are in situ gas analyzers manufactured by ThermoFisher Scientific. They provide precise measurements of various trace gases such as ozone, carbon dioxide, carbon monoxide, and sulfur dioxide. Thermo Scientific Gas Analyzers can be deployed on aircraft, research vessels, and ground-based platforms.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
CalWater
2015
California, Sierra Nevada Range
view all deployment dates
1 Deployment
· 0 Data Products| 2015-01-12 | 2015-03-08 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
The Condensation Nuclei Counter (CNC) is an in situ optical sensor produced by Droplet Measurement Technologies. It detects cloud condensation nuclei (CCN) by supersaturating the sampled air, allowing CCN particles to become detectable. The particles are then measured with an optical particle counter (OPC). CNC can detect particles from 0.75 to 10 μm in diameter and operates at a sampling rate of 1 Hz. It is suitable for both airborne and ground-based operations.
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Aerosols > Cloud Condensation Nuclei
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Condensation Nuclei
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
S-band radars are ground-based or shipborne radars that operate at the frequency range of 2-4 GHz. They provide measurements of radar reflectivity, Doppler velocity, and other radar parameters to characterize precipitation and clouds. They are not easily attenuated making them useful for near and far-range weather observations.
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The Aethalometer is an in situ aerosol measuring device made by Magee Scientific. It can be used on both airborne and ground-based platforms. It collects aerosols through a filter tape and gauges the attenuation of transmitted light to assess black carbon particle levels. The Aethalometer works across seven optical wavelengths (370, 470, 520, 590, 660, 880, and 950 nm) and delivers data at a rate of 1 Hz. It has a measurement range of 0-500 μg per cubic meter and a resolution of 0.1 μg per cubic meter.
Earth Science > Atmosphere > Aerosols > Carbonaceous Aerosols
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
BROMEX
Bromine, Ozone, and Mercury Experiment
2012
Barrow, Alaska, Beaufort Sea, Chukchi Sea
view all deployment dates
1 Deployment
· 0 Data Products| 2012-03-06 | 2012-05-15 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
A Snow Water Equivalent (SWE) Sampler is a ground-based device used in the field to measure SWE. A core sample of snow is collected using a snow tube sampler or snow corer. The tube is inserted vertically into the snowpack until it reaches the ground surface, and a ruler on the tube measures the snow depth. The sample is then removed and weighed on a calibrated scale to determine the snow density. The SWE within the sample is calculated by multiplying the snow density by the snow depth.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Atmosphere > Precipitation > Snow Water Equivalent
Earth Science > Cryosphere > Snow/ice > Snow Water Equivalent
Earth Science > Oceans > Sea Ice > Snow Depth
Earth Science > Climate Indicators > Cryospheric Indicators > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Sea Ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Water Equivalent
The Multi-Axis Differential Optical Absorption Spectrometer (MAX-DOAS) is a ground-based passive spectrometer. It measures scattered solar light at different elevations to identify trace gases in the troposphere. MAX-DOAS is designed to have low residual error in the ultraviolet and visible spectra, enabling detection in both clean and polluted environments. Typical MAX-DOAS instruments operate in the 300-700 nm spectral range with a spectral resolution of 0.4-1.5 nm depending on the target species.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Bromine Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Coastal and Ocean Airborne Science Testbed
2011
Monterey Bay, CA
view all deployment dates
1 Deployment
· 0 Data Products| 2011-10-21 | 2011-10-28 |
Spectrometers are instruments used to separate and analyze the spectral components of a substance. They usually measure the electromagnetic radiation that has been reflected, absorbed, or transmitted by the physical sample. Spectrometers can operate across the ultraviolet to infrared spectrum. The most common types include optical, nuclear magnetic resonance, and mass spectrometers. They can be used on aircraft, research vessels, vehicles, and other ground-based platforms.
Earth Science > Spectral/engineering > Infrared Wavelengths
Earth Science > Spectral/engineering > Ultraviolet Wavelengths
Earth Science > Spectral/engineering > Visible Wavelengths
C3VP
Canadian CloudSat/CALIPSO Validation Project
2006—2007
Ontario, Canada
view all deployment dates
1 Deployment
· 6 Data Products| 2006-10-04 | 2007-04-09 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Vertically Pointing X-band Radar (VertiX) is a ground-based radar operated by the McGill University Radar Observatory. It is an X-band (9.41 GHz) Doppler radar that measures the reflectivity and Doppler velocity of targets directly above to provide time-height radar imagery. It can detect all precipitation target types as well as some ice clouds. VertiX has a range resolution of 45 meters and typically provides data every 1.5 seconds.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Imagery
The Two-Dimensional Video Disdrometer (2DVD) is a stationary, ground-based optical disdrometer. It has two line-scan cameras that continuously measure various precipitation properties such as droplet shape, fall velocity, and size distribution. The 2DVD precisely measures all precipitation particles larger than 0.2 mm in diameter, making it suitable for various precipitation studies.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
The Autonomous Parsivel Unit (APU) is an in situ ground-based optical disdrometer. APU measures the size and fall velocity of hydrometeors with a range of 0-25 mm in size and 0-20 m/s in fall speed. Using these measurements, the drop size distribution, type, intensity, and amount of precipitation can be determined. APU operates in the 650-780 nm wavelength range and typically samples every 10 seconds.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Precipitation Amount
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
W-band radars are highly sensitive radars used for atmospheric research. They operate around the 94-95 GHz frequency band, allowing for the detection of small water droplets. W-band radars are used for cloud and precipitation studies since they can provide more detailed observations than typical weather radars. They can be deployed on research vessels, aircraft, and mobile ground-based platforms.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The Snowflake Video Imager (SVI) is a ground-based imaging system developed at Wallops Flight Facility (WFF). It records greyscale imagery of snowflakes to determine snowflake size and orientation distribution. It can operate autonomously in harsh winter conditions with winds up to 50 knots and temperatures as low as -40 degrees Celsius. SVI has a high frame rate of 60 Hz and a nominal pixel size of 0.05 mm by 0.1 mm.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
The Precipitation Occurrence Sensor System (POSS) is a ground-based X-band, continuous wave Doppler radar designed by the Meteorological Service of Canada. It measures the Doppler signals of particles to determine precipitation occurrence, type, and rate. POSS operates at the 10.525 GHz frequency and has a spectral resolution of 16 Hz. It measures the falling particles through a small measurement volume extending to about 2 meters above the sensor. POSS provides 1-minute-averaged measurements and has a sampling frequency of 2.048 kHz.
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Solid Precipitation
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The Advanced Multi-Frequency Radar (AMFR) is a mobile, ground-based radar developed by the University of Massachusetts. It measures radar parameters to characterize clouds and precipitation. It operates across three frequency bands: Ku-band (13.4 GHz), Ka-band (35.6 GHz), and W-band (94.92 GHz). This allows AMFR to observe a wide range of targets, from thin clouds to strong precipitation events. AMFR has a range resolution ranging from 30-120 meters and a beam width of around 0.7 degrees.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Radial Velocity > Mean Radial Velocity
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar
C-band radars operate within the 4-8 GHz frequency range. They provide measurements of radar reflectivity, Doppler velocity, and other parameters to characterize precipitation and clouds. C-band radars are usually used for short-range weather observations because they are more prone to attenuation.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
GPM Cold Season Precipitation Experiment
2012
Ontario, Canada and northern portions of the United States (e.g., New York state, the New England area, etc.)
view all deployment dates
1 Deployment
· 44 Data Products| 2012-01-15 | 2012-03-04 |
The Raman Lidar (RL) is a ground-based lidar system operated by the Department of Energy’s (DoE) Atmospheric Radiation Measurement (ARM) User Facility. It detects Raman backscatter in the ultraviolet range (355 nm) to provide profiles of water vapor, temperature, and aerosol and cloud optical properties. It also detects Raman backscatter from water vapor at 408 nm and molecular nitrogen at 387 nm to help derive aerosol optical properties and water vapor mixing ratios. It has a range resolution of 7.5 m, a time resolution of 10 seconds, and a pulse repetition frequency of 30 Hz. RL can deliver profile measurements from approximately 200 m up to 10 km above ground level.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles > Water Vapor Mixing Ratio Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
The Precipitation Occurrence Sensor System (POSS) is a ground-based X-band, continuous wave Doppler radar designed by the Meteorological Service of Canada. It measures the Doppler signals of particles to determine precipitation occurrence, type, and rate. POSS operates at the 10.525 GHz frequency and has a spectral resolution of 16 Hz. It measures the falling particles through a small measurement volume extending to about 2 meters above the sensor. POSS provides 1-minute-averaged measurements and has a sampling frequency of 2.048 kHz.
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Solid Precipitation
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
C-band radars operate within the 4-8 GHz frequency range. They provide measurements of radar reflectivity, Doppler velocity, and other parameters to characterize precipitation and clouds. C-band radars are usually used for short-range weather observations because they are more prone to attenuation.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
The Total Precipitation Sensor (TPS) is an automatic precipitation gauge manufactured by Yankee Environmental Systems, Inc. It is designed for remote, unattended operations and provides real-time snow and liquid precipitation measurements. It includes two isolated plates heated by electrical heaters. The upper plate determines the precipitation rate by measuring how much power is needed to evaporate the precipitation and keep its surface temperature constant. The second plate directly below is heated to the same temperature as the upper plate and helps account for the cooling caused by the wind. TPS can measure precipitation rates up to 50 millimeters per hour with a resolution of 0.1 millimeters per hour.
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation
The Snowflake Video Imager (SVI) is a ground-based imaging system developed at Wallops Flight Facility (WFF). It records greyscale imagery of snowflakes to determine snowflake size and orientation distribution. It can operate autonomously in harsh winter conditions with winds up to 50 knots and temperatures as low as -40 degrees Celsius. SVI has a high frame rate of 60 Hz and a nominal pixel size of 0.05 mm by 0.1 mm.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
Thermistors are in situ resistance thermometers made from semiconductor materials whose electrical resistance varies with temperature. They detect resistance changes to measure temperature. In Earth science, thermistors are used to measure air temperature, sea surface temperature, and soil temperature.
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Oceans > Ocean Temperature > Water Temperature
A Snow Water Equivalent (SWE) Sampler is a ground-based device used in the field to measure SWE. A core sample of snow is collected using a snow tube sampler or snow corer. The tube is inserted vertically into the snowpack until it reaches the ground surface, and a ruler on the tube measures the snow depth. The sample is then removed and weighed on a calibrated scale to determine the snow density. The SWE within the sample is calculated by multiplying the snow density by the snow depth.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Atmosphere > Precipitation > Snow Water Equivalent
Earth Science > Cryosphere > Snow/ice > Snow Water Equivalent
Earth Science > Oceans > Sea Ice > Snow Depth
Earth Science > Climate Indicators > Cryospheric Indicators > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Sea Ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Water Equivalent
The Vertically Pointing X-band Radar (VertiX) is a ground-based radar operated by the McGill University Radar Observatory. It is an X-band (9.41 GHz) Doppler radar that measures the reflectivity and Doppler velocity of targets directly above to provide time-height radar imagery. It can detect all precipitation target types as well as some ice clouds. VertiX has a range resolution of 45 meters and typically provides data every 1.5 seconds.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Imagery
W-band radars are highly sensitive radars used for atmospheric research. They operate around the 94-95 GHz frequency band, allowing for the detection of small water droplets. W-band radars are used for cloud and precipitation studies since they can provide more detailed observations than typical weather radars. They can be deployed on research vessels, aircraft, and mobile ground-based platforms.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
The Two-Dimensional Video Disdrometer (2DVD) is a stationary, ground-based optical disdrometer. It has two line-scan cameras that continuously measure various precipitation properties such as droplet shape, fall velocity, and size distribution. The 2DVD precisely measures all precipitation particles larger than 0.2 mm in diameter, making it suitable for various precipitation studies.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
The Autonomous Parsivel Unit (APU) is an in situ ground-based optical disdrometer. APU measures the size and fall velocity of hydrometeors with a range of 0-25 mm in size and 0-20 m/s in fall speed. Using these measurements, the drop size distribution, type, intensity, and amount of precipitation can be determined. APU operates in the 650-780 nm wavelength range and typically samples every 10 seconds.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Precipitation Amount
The Micro Rain Radar (MRR) is a ground-based, vertically oriented, continuous wave K-band (24.23 GHz) radar that measures various parameters of precipitation, such as liquid water content and rain rate, from near ground level to the lower troposphere. The backscatter captured by the MRR’s antenna can determine precipitation size distributions ranging from 0.25 mm to 4.53 mm and can also calculate the frequency shift of falling precipitation to determine its velocity. Additional uses of the MRR include identifying bright bands, nowcasting precipitation, and tracking chemical transport during precipitation events. It has a range resolution of 10 to 200 meters and a sampling time of 10 seconds.
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Return Power
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
The Dual Polarization Radiometer (DPR) is a ground-based radiometer manufactured by Radiometer Physics. It measures brightness temperature at 90 GHz and 150 GHz. These measurements can be used for rain observations, soil moisture measurements, total liquid water content, and cloud microphysics. DPR has a temporal resolution of 1 second and a spatial resolution of 6 degrees half power beam width (HPBW).
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Pluvio is a ground-based weighing precipitation gauge manufactured by OTT HydroMet. It measures precipitation amount and rate by determining its weight using a high-capacity collection bucket. Pluvio can measure rain, snow, sleet, hail, and mixed precipitation types. It has a standard sampling interval of 1 minute and an accuracy of ± 0.05 to 0.1 mm.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Solid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
The ADvanced MIcrowave RAdiometer for Rain Identification (ADMIRARI) is an airborne passive microwave radiometer. ADMIRARI measures brightness temperatures at 10.7, 21.0, and 36.5 GHz frequencies along two polarized planes. It is also equipped with a Micro Rain Radar (MRR) to observe rain structure and a cloud lidar to estimate cloud base. ADMIRARI's measurements can be used to determine rain/cloud liquid water path (LWP) and integrated water vapor (IWV). It has a temporal resolution of 1 second and a spatial resolution of 5 degrees.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar that was developed for NASA’s Global Precipitation Measurement (GPM) mission Ground The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar developed for NASA’s Global Precipitation Measurement (GPM) mission Ground Validation (GV) program. D3R measures radar backscatter to provide reflectivity, Doppler velocity, differential reflectivity, correlation coefficient, and other radar observations. These measurements help derive droplet size distribution and identify hydrometer types. D3R has a beam width of approximately 0.9 degrees, a maximum range of 30 km, and a gate spacing of 150 m. It operates at wavelengths similar to the Dual-frequency Precipitation Radar (DPR) on the GPM Core satellite and can be used to validate DPR observations.
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Olympic Mountains Experiment
2015—2016
Olympic Peninsula in U.S. Washington State
view all deployment dates
1 Deployment
· 36 Data Products| 2015-11-01 | 2016-05-01 |
The Two-Dimensional Video Disdrometer (2DVD) is a stationary, ground-based optical disdrometer. It has two line-scan cameras that continuously measure various precipitation properties such as droplet shape, fall velocity, and size distribution. The 2DVD precisely measures all precipitation particles larger than 0.2 mm in diameter, making it suitable for various precipitation studies.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
The Autonomous Parsivel Unit (APU) is an in situ ground-based optical disdrometer. APU measures the size and fall velocity of hydrometeors with a range of 0-25 mm in size and 0-20 m/s in fall speed. Using these measurements, the drop size distribution, type, intensity, and amount of precipitation can be determined. APU operates in the 650-780 nm wavelength range and typically samples every 10 seconds.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
Pluvio is a ground-based weighing precipitation gauge manufactured by OTT HydroMet. It measures precipitation amount and rate by determining its weight using a high-capacity collection bucket. Pluvio can measure rain, snow, sleet, hail, and mixed precipitation types. It has a standard sampling interval of 1 minute and an accuracy of ± 0.05 to 0.1 mm.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Solid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
The Precipitation and Imaging Probe (PIP) is an airborne optical spectrometer developed by Droplet Measurement Technologies. It measures the size and shape of particles ranging from 100 to 6200 μm. It provides two-dimensional images with a pixel resolution of 100 μm. PIP operates at a wavelength of 660 nm and typically samples every second. It has a sample area of 260 mm by 6.2 mm and can function at airspeeds of 10 to 200 meters per second.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Droplet Concentration/size
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
The NASA S-band Dual Polarimetric Radar (NPOL) is a portable, ground-based scanning dual-polarimetric Doppler radar. As an active remote sensor, NPOL detects reflected electromagnetic waves to determine radar reflectivity, Doppler velocity, rainfall rate, particle size distribution, water content, and precipitation type. Normally, NPOL has a beamwidth of 0.95°, a gate spacing of 0.15 km, and a maximum range of 150 km. It is operationally comparable to Doppler radars used by the U.S. National Weather Service’s Next Generation Weather Radar (NEXRAD) network, but NPOL has the benefit of being fully deployable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Precipitation > Precipitation Profiles > Rain Type
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
A snow measuring rod is a ground-based instrument used to measure snow depth. It is designed to be pushed into the snow until the underlying surface is reached to determine the snow depth. Snow measuring rods can be manual or automated, with the automated rod able to measure the depth and position simultaneously.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Snow/ice
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
The Micro Rain Radar (MRR) is a ground-based, vertically oriented, continuous wave K-band (24.23 GHz) radar that measures various parameters of precipitation, such as liquid water content and rain rate, from near ground level to the lower troposphere. The backscatter captured by the MRR’s antenna can determine precipitation size distributions ranging from 0.25 mm to 4.53 mm and can also calculate the frequency shift of falling precipitation to determine its velocity. Additional uses of the MRR include identifying bright bands, nowcasting precipitation, and tracking chemical transport during precipitation events. It has a range resolution of 10 to 200 meters and a sampling time of 10 seconds.
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Return Power
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
X-band radars are ground-based radars that operate in the 8-12 GHz frequency range. They provide measurements of radar reflectivity, Doppler velocity, and other radar parameters to characterize precipitation and clouds. Due to operating on a smaller wavelength, the X-band radars are more sensitive and can detect smaller particles, making them useful for studying light precipitation and cloud development.
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Clouds
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
ABLE
Global Tropospheric Experiment - Atmospheric Boundary Layer Experiment
1984—1990
Tropical North Atlantic Ocean, Amazon Rainforest, Greenland, Eastern Canada, Alaska
view all deployment dates
5 Deployments
· 25 Data Products| 1984-06-13 | 1984-06-30 |
| 1987-04-13 | 1987-05-08 |
| 1988-07-07 | 1988-08-17 |
| 1990-07-06 | 1990-08-15 |
| 1985-07-11 | 1985-08-15 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
ABLE
Global Tropospheric Experiment - Atmospheric Boundary Layer Experiment
1984—1990
Tropical North Atlantic Ocean, Amazon Rainforest, Greenland, Eastern Canada, Alaska
view all deployment dates
5 Deployments
· 25 Data Products| 1984-06-13 | 1984-06-30 |
| 1987-04-13 | 1987-05-08 |
| 1988-07-07 | 1988-08-17 |
| 1990-07-06 | 1990-08-15 |
| 1985-07-11 | 1985-08-15 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
The High-Sensitivity Fast-Response CO2 Analyzer (Harvard CO2) is an in situ airborne spectrometer operated by Harvard University. It measures carbon dioxide (CO2) concentrations using a modified nondispersive infrared CO2 analyzer. CO2 mixing ratios are determined by measuring absorption at 4.26 μm. Harvard CO2 has a measurement sampling rate of 0.5 Hz and a precision of 0.05 ppm. Harvard is typically deployed on high-altitude aircraft like the ER-2, but it has been used for balloon-borne measurements.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Eddy Covariance Flux Towers are in situ micrometeorological surface towers. They are equipped with gas sensors to continuously measure the trace gas fluxes between the land surface and the atmosphere. Eddy Covariance Towers are typically used to measure fluxes for carbon dioxide (CO2), methane (CH4), and water vapor (H2O). These towers are also equipped with various meteorological sensors to measure air temperature, precipitation, winds, radiation, and soil temperature.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
Earth Science > Atmosphere > Atmospheric Winds
Earth Science > Atmosphere > Precipitation
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
ABLE
Global Tropospheric Experiment - Atmospheric Boundary Layer Experiment
1984—1990
Tropical North Atlantic Ocean, Amazon Rainforest, Greenland, Eastern Canada, Alaska
view all deployment dates
5 Deployments
· 25 Data Products| 1984-06-13 | 1984-06-30 |
| 1987-04-13 | 1987-05-08 |
| 1988-07-07 | 1988-08-17 |
| 1990-07-06 | 1990-08-15 |
| 1985-07-11 | 1985-08-15 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
The High-Sensitivity Fast-Response CO2 Analyzer (Harvard CO2) is an in situ airborne spectrometer operated by Harvard University. It measures carbon dioxide (CO2) concentrations using a modified nondispersive infrared CO2 analyzer. CO2 mixing ratios are determined by measuring absorption at 4.26 μm. Harvard CO2 has a measurement sampling rate of 0.5 Hz and a precision of 0.05 ppm. Harvard is typically deployed on high-altitude aircraft like the ER-2, but it has been used for balloon-borne measurements.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
MOOSE
Michigan-Ontario Ozone Source Experiment
2021
Southern Ontario, Southeastern Michigan
view all deployment dates
1 Deployment
· 2 Data Products| 2021-05-17 | 2021-12-15 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
The Sound Detection and Ranging (SODAR) is an active ground-based acoustic sensor that measures atmospheric winds and turbulence. It sends acoustic energy into the atmosphere and detects the strength and frequency of the backscattered energy. The backscattered signal can be used to determine the horizontal wind field, assuming the scattered energy moves with the mean wind. SODARs are frequently used in boundary layer studies to measure turbulence and wind profiles.
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Horizontal Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Vertical Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
Earth Science > Atmosphere > Atmospheric Winds
BlueFlux
2022—2023
Southern Florida
view all deployment dates
4 Deployments
· 4 Data Products| 2023-02-05 | 2023-02-13 |
| 2023-03-10 | 2023-04-19 |
| 2022-03-19 | 2022-04-26 |
| 2022-10-14 | 2022-10-21 |
The Picarro gas concentration analyzer is an in situ airborne or ground-based sensor manufactured by Picarro, Inc. It uses Wavelength-Scanned Cavity Ring Spectroscopy (WS-CRDS) to measure trace gases such as carbon dioxide, carbon monoxide, methane, and water vapor. For carbon dioxide measurements, the laser within Picarro operates at 1603 nm wavelength, while 1651 nm wavelength is used for methane and water vapor measurements. Picarro has a typical sampling time of 2.5 seconds. Depending on the model, Picarro can also provide measurements of carbon isotopes for gas concentrations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
The Riegl VZ-1000 is a ground-based terrestrial laser scanner manufactured by Riegl Laser Measurement Systems. It provides lidar point cloud measurements to determine surface topography features. It operates at a 1550 nm wavelength and has a scan rate of up to 122,000 points per second. It has a maximum scan range of 1.4 km and a resolution of 2 cm.
Earth Science > Land Surface > Topography > Terrain Elevation
Earth Science > Land Surface > Topography
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
First International Satellite Cloud Climatology Project (ISCCP) Regional Experiment
1986—1998
Central and Midwest United States, California Coast, Northwest Africa, Alaska
view all deployment dates
5 Deployments
· 131 Data Products| 1991-11-13 | 1991-12-07 |
| 1992-06-01 | 1992-06-25 |
| 1998-04-08 | 1998-07-30 |
| 1986-10-13 | 1986-11-02 |
| 1987-06-30 | 1987-07-19 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The High Spectral Resolution Lidar (HSRL) is an airborne lidar system developed at NASA Langley Research Center (LaRC). It uses the HSRL technique at 532 nm and the standard backscatter technique at 1064 nm to provide profile measurements of aerosol backscatter, extinction, and depolarization. The profiles of aerosol backscatter and depolarization typically have a vertical resolution of 30 m and a horizontal resolution of about 1 km. For the extinction profiles, the vertical resolution is 300 m with a horizontal resolution of approximately 6 km. HSRL is usually flown during investigations to validate observations from the CALIPSO spaceborne lidar.
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
The Polarization Diversity Lidar (PDL) is a ground-based mobile lidar system developed at the University of Utah. It is a dual-wavelength (1.06 and 0.532 μm) scanning lidar system that simultaneously measures backscatter and depolarization at both wavelengths to characterize clouds and aerosols. It has a spatial resolution of 1.5 meters and a temporal resolution of 0.1 seconds.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Aerosols
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The NOAA/WPL Pulsed Coherent Doppler Lidar is a ground-based lidar system developed by the NOAA Wave Propagation Laboratory (WPL). It measures radial velocity as a function of range using light-scattering particles in the air as tracers to derive wind profiles and momentum fluxes. It operates at a wavelength of 10.59 μm and has a pulse repetition rate from 1 to 20 Hz. It provides velocity azimuth display (VAD) scans, range height indication (RHI), and volume or roster scans at a range resolution of 150 meters.
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
Generic-Radiation Sensors (Gen-Radiation) refer to non-specific instruments used to measure atmospheric radiation. These are typically passive sensors that detect radiation within the atmosphere. Measurements can include shortwave radiation, longwave radiation, solar irradiance, and solar radiation.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
The Langley Research Center Fourteen-Inch Lidar System (LaRCFILS) is a ground-based lidar system operated by the LaRC Aerosol Research Branch. It was originally designed as an airborne lidar, but has since been reconfigured for ground-based operations. It is a dual-polarization lidar used to collect backscatter measurements to determine cloud and aerosol optical properties. LaRCFILS operates at the 532 nm wavelength and has a range resolution of 37.5 m.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
The Scanning High-resolution Interferometer Sounder (S-HIS) is an airborne cross-track scanning interferometer developed by the Space Science and Engineering Center at the University of Wisconsin-Madison. It measures emitted thermal radiation between 3.3 and 18 microns with high spectral resolution. These measurements help derive atmospheric profiles of temperature and water vapor in clear-sky conditions. S-HIS has a spatial resolution of 2 km and a swath width of 40 km at an altitude of 20 km at nadir. It operates at a sampling frequency of 0.5 seconds and has an absolute radiance accuracy of 0.2 K.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Radiation > Atmospheric Emitted Radiation
Earth Science > Atmosphere > Atmospheric Water Vapor
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Satellite Coastal and Oceanic Atmospheric Pollution Experiment
2019—2024
Gulf of Mexico
view all deployment dates
2 Deployments
· 6 Data Products| 2019-04-09 | 2019-05-20 |
| 2024-06-02 | 2024-06-13 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
The Pandora Spectrometer System is a ground-based UV-VIS spectrometer designed to measure column amounts of trace gases in the atmosphere. It employs total optical absorption spectroscopy for retrievals of ozone, nitrogen dioxide, formaldehyde, and other trace gases. Pandora operates within the 280-525 nm spectral range at a resolution of 0.6 nm. It can perform both direct sun and all-sky radiance measurements, with an overall measurement time of 80 seconds. Pandora is part of a network of identical instruments called the Pandonia Global Network.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry
First International Satellite Cloud Climatology Project (ISCCP) Regional Experiment
1986—1998
Central and Midwest United States, California Coast, Northwest Africa, Alaska
view all deployment dates
5 Deployments
· 131 Data Products| 1991-11-13 | 1991-12-07 |
| 1992-06-01 | 1992-06-25 |
| 1998-04-08 | 1998-07-30 |
| 1986-10-13 | 1986-11-02 |
| 1987-06-30 | 1987-07-19 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Generic-Radiation Sensors (Gen-Radiation) refer to non-specific instruments used to measure atmospheric radiation. These are typically passive sensors that detect radiation within the atmosphere. Measurements can include shortwave radiation, longwave radiation, solar irradiance, and solar radiation.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Generic-Micophysics Probes (Gen-Microphysics) refer to non-specific cloud probes on a platform used to measure cloud microphysics. These are typically in situ probes that measure the physical properties of clouds. These measurements can include particle size distribution, droplet growth, cloud optical thickness, liquid water content, droplet concentration, and cloud condensation nuclei.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Droplet Concentration/size
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Droplet Growth
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Condensation Nuclei
The Sound Detection and Ranging (SODAR) is an active ground-based acoustic sensor that measures atmospheric winds and turbulence. It sends acoustic energy into the atmosphere and detects the strength and frequency of the backscattered energy. The backscattered signal can be used to determine the horizontal wind field, assuming the scattered energy moves with the mean wind. SODARs are frequently used in boundary layer studies to measure turbulence and wind profiles.
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Horizontal Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Vertical Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
Earth Science > Atmosphere > Atmospheric Winds
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
First International Satellite Cloud Climatology Project (ISCCP) Regional Experiment
1986—1998
Central and Midwest United States, California Coast, Northwest Africa, Alaska
view all deployment dates
5 Deployments
· 131 Data Products| 1991-11-13 | 1991-12-07 |
| 1992-06-01 | 1992-06-25 |
| 1998-04-08 | 1998-07-30 |
| 1986-10-13 | 1986-11-02 |
| 1987-06-30 | 1987-07-19 |
The Raman Lidar (RL) is a ground-based lidar system operated by the Department of Energy’s (DoE) Atmospheric Radiation Measurement (ARM) User Facility. It detects Raman backscatter in the ultraviolet range (355 nm) to provide profiles of water vapor, temperature, and aerosol and cloud optical properties. It also detects Raman backscatter from water vapor at 408 nm and molecular nitrogen at 387 nm to help derive aerosol optical properties and water vapor mixing ratios. It has a range resolution of 7.5 m, a time resolution of 10 seconds, and a pulse repetition frequency of 30 Hz. RL can deliver profile measurements from approximately 200 m up to 10 km above ground level.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles > Water Vapor Mixing Ratio Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
The Total Direct Diffuse Radiometer (TDDR) is a passive radiometer that measures solar irradiance. It can be used for airborne and ground-based operations. TDDR measures total and diffuse irradiance by rotating a shadow arm before the radiometer. These measurements can be used to calculate the direct solar irradiance. TDDR operates across the 0.38-1.6 μm spectral range with a 0.01 μm bandwidth.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
The Langley Research Center Fourteen-Inch Lidar System (LaRCFILS) is a ground-based lidar system operated by the LaRC Aerosol Research Branch. It was originally designed as an airborne lidar, but has since been reconfigured for ground-based operations. It is a dual-polarization lidar used to collect backscatter measurements to determine cloud and aerosol optical properties. LaRCFILS operates at the 532 nm wavelength and has a range resolution of 37.5 m.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
The Volume Imaging Lidar (VIL) is a ground-based lidar system operated by the University of Wisconsin. It is an elastic backscatter lidar that operates at the 1064 nm wavelength. It provides aerosol backscatter profiles with a range resolution of 7.5 m or 15 m. VIL has a maximum range of 18 km and a repetition rate of 30 Hz. The Naval Research Laboratory (NRL) also operates its own VIL with similar specifications.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
The Stratospheric InfraRed Interferometer Spectrometer (SIRIS) was a balloon-borne passive spectrometer developed at NASA's Goddard Space Flight Center (GSFC). It measured thermal emissions within the 5-15 μm spectral range to improve understanding of ozone behavior in the stratosphere. It had a vertical resolution of 3 km and could reach a vertical coverage of up to 40 km. SIRIS featured a field of view of 0.5 degrees and a scan time of 76 seconds. While primarily used on balloon platforms, it occasionally operated on ground-based platforms.
Earth Science > Spectral/engineering > Infrared Wavelengths > Thermal Infrared
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Radiance
The Precision Radiation Thermometer (PRT-5) is an in situ infrared temperature sensor. It makes non-contact infrared (8-14 μm) temperature measurements between -50 to 150 degrees Celsius with an accuracy of 0.5 degrees Celsius. It has a typical field of view of 2 degrees and a response time of either 0.3 Hz, 3 Hz, or 30 Hz. PRT-5 can be deployed on aircraft, vehicles, research vessels, and other ground-based platforms. It can be used for sea surface, ocean water, cloud, and air temperature measurements.
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature
Earth Science > Oceans > Ocean Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
W-band radars are highly sensitive radars used for atmospheric research. They operate around the 94-95 GHz frequency band, allowing for the detection of small water droplets. W-band radars are used for cloud and precipitation studies since they can provide more detailed observations than typical weather radars. They can be deployed on research vessels, aircraft, and mobile ground-based platforms.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
A pyrheliometer is a ground-based passive radiation sensor. It is used to measure direct beam solar irradiance. Pyrheliometers use a thermopile that converts heat from sunlight to an electrical signal to determine solar radiation. Pyrheliometers measure solar radiation in the 200-4000 nm wavelength range.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
The Differential Absorption Lidar (DIAL) is an airborne lidar system developed at NASA’s Langley Research Center (LaRC). It uses four lasers to detect lidar backscatter and provide profile measurements of ozone and aerosols in the atmosphere. DIAL operates in the ultraviolet (289-300 nm) for ozone detection and in the visible (572-600 nm) and infrared (1064 nm) for aerosols. It has a horizontal spatial resolution of approximately 15 km and a measurement accuracy of 5 ppbv.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
The Polarization Diversity Lidar (PDL) is a ground-based mobile lidar system developed at the University of Utah. It is a dual-wavelength (1.06 and 0.532 μm) scanning lidar system that simultaneously measures backscatter and depolarization at both wavelengths to characterize clouds and aerosols. It has a spatial resolution of 1.5 meters and a temporal resolution of 0.1 seconds.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Aerosols
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
The NOAA/ETL Scanning Ka-band Cloud Radar (NOAA/K) is a ground-based millimeter wave radar. It operates at a 34.66 GHz frequency to measure radar reflectivity and Doppler velocity. These measurements are used to characterize cloud microphysical properties such as cloud droplet size and concentration. NOAA/K has a beam width ranging from 0.3 to 0.5 degrees, a pulse length of 0.25 microseconds, and a resolution of 37.5 meters. It is deployed on a flatbed trailer, making it easily transportable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Droplet Concentration/size
The Scanning High-resolution Interferometer Sounder (S-HIS) is an airborne cross-track scanning interferometer developed by the Space Science and Engineering Center at the University of Wisconsin-Madison. It measures emitted thermal radiation between 3.3 and 18 microns with high spectral resolution. These measurements help derive atmospheric profiles of temperature and water vapor in clear-sky conditions. S-HIS has a spatial resolution of 2 km and a swath width of 40 km at an altitude of 20 km at nadir. It operates at a sampling frequency of 0.5 seconds and has an absolute radiance accuracy of 0.2 K.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Radiation > Atmospheric Emitted Radiation
Earth Science > Atmosphere > Atmospheric Water Vapor
The High Spectral Resolution Lidar (HSRL) is an airborne lidar system developed at NASA Langley Research Center (LaRC). It uses the HSRL technique at 532 nm and the standard backscatter technique at 1064 nm to provide profile measurements of aerosol backscatter, extinction, and depolarization. The profiles of aerosol backscatter and depolarization typically have a vertical resolution of 30 m and a horizontal resolution of about 1 km. For the extinction profiles, the vertical resolution is 300 m with a horizontal resolution of approximately 6 km. HSRL is usually flown during investigations to validate observations from the CALIPSO spaceborne lidar.
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
The Radio Acoustic Sounding System (RASS) is an active ground-based acoustic sounder that provides profiles of virtual temperature. It uses radar techniques to measure acoustic disturbances and derive the virtual temperature. RASS is typically used alongside radar wind profilers (RWPs) and operates at frequencies of 915 MHz and 1290 MHz. It has a sampling rate of approximately 5 to 15 minutes, a vertical resolution of 150 m, and a horizontal resolution of 60 m.
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Boundary Layer Temperature
Earth Science > Atmosphere > Atmospheric Pressure > Planetary Boundary Layer Height
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Virtual Temperature
The NOAA/WPL Pulsed Coherent Doppler Lidar is a ground-based lidar system developed by the NOAA Wave Propagation Laboratory (WPL). It measures radial velocity as a function of range using light-scattering particles in the air as tracers to derive wind profiles and momentum fluxes. It operates at a wavelength of 10.59 μm and has a pulse repetition rate from 1 to 20 Hz. It provides velocity azimuth display (VAD) scans, range height indication (RHI), and volume or roster scans at a range resolution of 150 meters.
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
First International Satellite Cloud Climatology Project (ISCCP) Regional Experiment
1986—1998
Central and Midwest United States, California Coast, Northwest Africa, Alaska
view all deployment dates
5 Deployments
· 131 Data Products| 1991-11-13 | 1991-12-07 |
| 1992-06-01 | 1992-06-25 |
| 1998-04-08 | 1998-07-30 |
| 1986-10-13 | 1986-11-02 |
| 1987-06-30 | 1987-07-19 |
The NOAA/ETL Scanning Ka-band Cloud Radar (NOAA/K) is a ground-based millimeter wave radar. It operates at a 34.66 GHz frequency to measure radar reflectivity and Doppler velocity. These measurements are used to characterize cloud microphysical properties such as cloud droplet size and concentration. NOAA/K has a beam width ranging from 0.3 to 0.5 degrees, a pulse length of 0.25 microseconds, and a resolution of 37.5 meters. It is deployed on a flatbed trailer, making it easily transportable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Droplet Concentration/size
The Radio Acoustic Sounding System (RASS) is an active ground-based acoustic sounder that provides profiles of virtual temperature. It uses radar techniques to measure acoustic disturbances and derive the virtual temperature. RASS is typically used alongside radar wind profilers (RWPs) and operates at frequencies of 915 MHz and 1290 MHz. It has a sampling rate of approximately 5 to 15 minutes, a vertical resolution of 150 m, and a horizontal resolution of 60 m.
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Boundary Layer Temperature
Earth Science > Atmosphere > Atmospheric Pressure > Planetary Boundary Layer Height
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Virtual Temperature
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
W-band radars are highly sensitive radars used for atmospheric research. They operate around the 94-95 GHz frequency band, allowing for the detection of small water droplets. W-band radars are used for cloud and precipitation studies since they can provide more detailed observations than typical weather radars. They can be deployed on research vessels, aircraft, and mobile ground-based platforms.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The NOAA/WPL Pulsed Coherent Doppler Lidar is a ground-based lidar system developed by the NOAA Wave Propagation Laboratory (WPL). It measures radial velocity as a function of range using light-scattering particles in the air as tracers to derive wind profiles and momentum fluxes. It operates at a wavelength of 10.59 μm and has a pulse repetition rate from 1 to 20 Hz. It provides velocity azimuth display (VAD) scans, range height indication (RHI), and volume or roster scans at a range resolution of 150 meters.
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
The Precision Radiation Thermometer (PRT-5) is an in situ infrared temperature sensor. It makes non-contact infrared (8-14 μm) temperature measurements between -50 to 150 degrees Celsius with an accuracy of 0.5 degrees Celsius. It has a typical field of view of 2 degrees and a response time of either 0.3 Hz, 3 Hz, or 30 Hz. PRT-5 can be deployed on aircraft, vehicles, research vessels, and other ground-based platforms. It can be used for sea surface, ocean water, cloud, and air temperature measurements.
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature
Earth Science > Oceans > Ocean Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
A pyrheliometer is a ground-based passive radiation sensor. It is used to measure direct beam solar irradiance. Pyrheliometers use a thermopile that converts heat from sunlight to an electrical signal to determine solar radiation. Pyrheliometers measure solar radiation in the 200-4000 nm wavelength range.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Video cameras capture video recordings of various phenomena for research purposes. They are used on aircraft to provide continuous views of weather and terrain below the flight path. Video cameras are also employed to verify the aircraft's flight track. Additionally, they are deployed at field sites to monitor changes in vegetation, land cover, clouds, air quality, glaciers, and other Earth science phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
First International Satellite Cloud Climatology Project (ISCCP) Regional Experiment
1986—1998
Central and Midwest United States, California Coast, Northwest Africa, Alaska
view all deployment dates
5 Deployments
· 131 Data Products| 1991-11-13 | 1991-12-07 |
| 1992-06-01 | 1992-06-25 |
| 1998-04-08 | 1998-07-30 |
| 1986-10-13 | 1986-11-02 |
| 1987-06-30 | 1987-07-19 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
The Atmospheric Emitted Radiance Interferometer (AERI) is a ground-based passive interferometer developed by the University of Wisconsin Space Science and Engineering Center (UW-SSEC) for the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) Program. It uses Fourier transform spectroscopy to measure downwelling thermal infrared emissions from the atmosphere. These measurements can be used to provide profile measurements of atmospheric temperature and water vapor and detect trace gases. AERI operates across the 3.3-19 μm spectral range and up to 25 μm for the extended range version of the instrument. It has an optimal vertical resolution of 100 meters and completes a full sky scan about every 20 seconds.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
The Millimeter-Wavelength Cloud Radar (MMCR) is a ground-based radar developed by the NOAA Environmental Technology Laboratory (ETL) for the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) sites. MMCR provides long-term observations of radar reflectivity, Doppler velocity, spectrum width, and other radar parameters for precipitating and nonprecipitating clouds up to 20 km above ground level (AGL). It is a vertically pointing, single-polarization radar system that operates at around 35 GHz. MMCR has a beamwidth of 0.2 degrees and typical vertical resolutions of 45 and 90 meters.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The Total Sky Imager (TSI) is a ground-based, optical instrument developed by Yankee Environmental Systems (YES), Inc. TSI provides full-color, hemispheric images of the sky during the day using a charge-coupled device (CCD) imager. It also measures fractional sky cover and sun obscuration caused by clouds. TSI can be mounted on mobile platforms such as trailers and research vehicles, enabling it to collect cloud cover data in different locations during field studies.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Fraction
Earth Science > Atmosphere > Clouds
The Micropulse Lidar (MPL) is a ground-based lidar system used for cloud detection. It measures lidar backscatter at 532 nm to retrieve cloud properties such as cloud top and base height. It can also be used for the detection of aerosols. MPL has a vertical resolution of 15 m and a maximum range of 18 km. MPL can operate autonomously and typically provides 10-second averaged data.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Top Height
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
The Multifilter Rotating Shadowband Radiometer (MFRSR) is a ground-based passive radiometer used to measure the global and diffuse components of solar irradiance. It measures solar irradiance across six narrowband channels and one broadband channel. The nominal wavelengths of the narrowband channels are 415, 500, 615, 673, 870, and 940 nm. MFRSR has a typical sampling interval of 20 seconds and takes measurements at four different shadowband positions: nadir, first side-band, sun-blocked, and second side-band. MFRSR is deployed across several of the Department of Energy’s Atmospheric Radiation Measurement (ARM) User Facility sites.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance > Shortwave Downward Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Intercontinental Chemical Transport Experiment - North America
2004—2006
North America, Gulf of Mexico, North Pacific Ocean, North Atlantic Ocean
view all deployment dates
2 Deployments
· 21 Data Products| 2004-07-01 | 2004-08-15 |
| 2006-03-01 | 2006-05-17 |
NOx/NOxy is an in situ chemiluminescence instrument that measures nitrogen oxides and ozone in the atmosphere. It offers a spatial resolution better than 100 meters at typical DC-8 research flight speeds. NOx/NOxy can be used on ground-based, airborne, and shipborne platforms, enabling it to support various atmospheric chemistry and air quality studies.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Oxides
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Nitrogen Oxides
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Nephelometers are in situ optical sensors that can be airborne or ground-based. They measure the total scattering and backscattering of aerosol particles in the atmosphere. Nephelometers operate at three wavelengths: 450 nm, 550 nm, and 700 nm, with a typical time resolution of 1 Hz.
Earth Science > Atmosphere > Aerosols > Aerosol Forward Scatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
The Thermal Dissociation-Chemical Ionization Mass Spectrometer (TD-CIMS) is an in situ spectrometer operated by the Ultrafine Aerosol Research Group at UC Irvine. It analyzes the chemical composition of aerosol particles as small as 4 nm by combining nanoparticle separation and collection methods with selected ion chemical ionization mass spectrometry. TD-CIMS has a time resolution of 3 minutes and has been employed in field and laboratory aerosol research.
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols
Thermo Scientific Gas Analyzers are in situ gas analyzers manufactured by ThermoFisher Scientific. They provide precise measurements of various trace gases such as ozone, carbon dioxide, carbon monoxide, and sulfur dioxide. Thermo Scientific Gas Analyzers can be deployed on aircraft, research vessels, and ground-based platforms.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Investigation of Microphysics and Precipitation for Atlantic Coast-Threatening Snowstorms
2020—2023
Eastern United States
view all deployment dates
3 Deployments
· 73 Data Products| 2020-01-17 | 2020-03-01 |
| 2022-01-08 | 2022-02-28 |
| 2023-01-13 | 2023-03-02 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Two-Dimensional Video Disdrometer (2DVD) is a stationary, ground-based optical disdrometer. It has two line-scan cameras that continuously measure various precipitation properties such as droplet shape, fall velocity, and size distribution. The 2DVD precisely measures all precipitation particles larger than 0.2 mm in diameter, making it suitable for various precipitation studies.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
The Autonomous Parsivel Unit (APU) is an in situ ground-based optical disdrometer. APU measures the size and fall velocity of hydrometeors with a range of 0-25 mm in size and 0-20 m/s in fall speed. Using these measurements, the drop size distribution, type, intensity, and amount of precipitation can be determined. APU operates in the 650-780 nm wavelength range and typically samples every 10 seconds.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Precipitation Amount
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
The Precipitation and Imaging Probe (PIP) is an airborne optical spectrometer developed by Droplet Measurement Technologies. It measures the size and shape of particles ranging from 100 to 6200 μm. It provides two-dimensional images with a pixel resolution of 100 μm. PIP operates at a wavelength of 660 nm and typically samples every second. It has a sample area of 260 mm by 6.2 mm and can function at airspeeds of 10 to 200 meters per second.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Droplet Concentration/size
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Pluvio is a ground-based weighing precipitation gauge manufactured by OTT HydroMet. It measures precipitation amount and rate by determining its weight using a high-capacity collection bucket. Pluvio can measure rain, snow, sleet, hail, and mixed precipitation types. It has a standard sampling interval of 1 minute and an accuracy of ± 0.05 to 0.1 mm.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Solid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar that was developed for NASA’s Global Precipitation Measurement (GPM) mission Ground The Dual-frequency Dual-polarized Doppler Radar (D3R) is a mobile Ku-/Ka-band radar developed for NASA’s Global Precipitation Measurement (GPM) mission Ground Validation (GV) program. D3R measures radar backscatter to provide reflectivity, Doppler velocity, differential reflectivity, correlation coefficient, and other radar observations. These measurements help derive droplet size distribution and identify hydrometer types. D3R has a beam width of approximately 0.9 degrees, a maximum range of 30 km, and a gate spacing of 150 m. It operates at wavelengths similar to the Dual-frequency Precipitation Radar (DPR) on the GPM Core satellite and can be used to validate DPR observations.
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
The Micro Rain Radar (MRR) is a ground-based, vertically oriented, continuous wave K-band (24.23 GHz) radar that measures various parameters of precipitation, such as liquid water content and rain rate, from near ground level to the lower troposphere. The backscatter captured by the MRR’s antenna can determine precipitation size distributions ranging from 0.25 mm to 4.53 mm and can also calculate the frequency shift of falling precipitation to determine its velocity. Additional uses of the MRR include identifying bright bands, nowcasting precipitation, and tracking chemical transport during precipitation events. It has a range resolution of 10 to 200 meters and a sampling time of 10 seconds.
Earth Science > Spectral/engineering > Radar > Radar Imagery
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Return Power
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
The NASA S-band Dual Polarimetric Radar (NPOL) is a portable, ground-based scanning dual-polarimetric Doppler radar. As an active remote sensor, NPOL detects reflected electromagnetic waves to determine radar reflectivity, Doppler velocity, rainfall rate, particle size distribution, water content, and precipitation type. Normally, NPOL has a beamwidth of 0.95°, a gate spacing of 0.15 km, and a maximum range of 150 km. It is operationally comparable to Doppler radars used by the U.S. National Weather Service’s Next Generation Weather Radar (NEXRAD) network, but NPOL has the benefit of being fully deployable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Precipitation > Precipitation Profiles > Rain Type
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
The Ka-band Scanning Polarimetric Radar (KASPR) is a ground-based polarimetric Doppler radar at the Stony Brook University (SBU) Radar Observatory. It is a 35.29 GHz radar that measures reflectivity, Doppler velocity, and other polarimetric radar observations to characterize clouds and precipitation. KASPR has a beamwidth of 0.32 degrees and a range resolution of 15 to 200 meters.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radial Velocity > Mean Radial Velocity
Earth Science > Spectral/engineering > Radar > Spectrum Width
W-band radars are highly sensitive radars used for atmospheric research. They operate around the 94-95 GHz frequency band, allowing for the detection of small water droplets. W-band radars are used for cloud and precipitation studies since they can provide more detailed observations than typical weather radars. They can be deployed on research vessels, aircraft, and mobile ground-based platforms.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
This description will be added in a future version.
Earth Science > Spectral/engineering > Radar > Radial Velocity > Mean Radial Velocity
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radial Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Smoke/Sulfates, Clouds, and Radiation
1993—1995
Mid-Atlantic, Pacific Northwest, Central Brazil
view all deployment dates
3 Deployments
· 6 Data Products| 1993-07-12 | 1993-07-29 |
| 1994-09-19 | 1994-10-07 |
| 1995-08-13 | 1995-09-20 |
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
PAC2001
Pacific 2001 Air Quality Study
2001
Lower Fraser Valley, British Columbia, Canada
view all deployment dates
1 Deployment
· 8 Data Products| 2001-08-08 | 2001-09-05 |
The Differential Mobility Analyzer (DMA) is an in situ device that measures particle electrical mobility to determine their size distribution. It mainly measures aerosols between 10 and 1,000 nm in diameter. DMA can be used for airborne, ground-based, and laboratory measurements.
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Aerosols
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
The TEOM Continuous Ambient Particulate Monitor is an in situ ground-based sensor manufactured by ThermoFisher Scientific. It makes direct mass measurements of particulate matter using a tapered element oscillating microbalance (TEOM) at a resolution of 0.01 micrograms per cubic meter. It has a measurement range of 0 to 1,000,000 micrograms per cubic meter and an accuracy of 0.75%. TEOM provides measurements every 2 seconds and has a flow rate of 13.67 liters per minute.
Earth Science > Atmosphere > Aerosols > Particulate Matter
Earth Science > Atmosphere > Aerosols
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
The Aerosol Mass Spectrometer (AMS) is an in situ spectrometer developed by Aerodyne Research. It employs quadrupole mass spectrometry to measure aerosol chemical composition and properties. It can detect particles ranging from 40 nm to 1 micron in size and has a time resolution of up to 10 Hz. It can be installed on aircraft, research vessels, mobile laboratories, or other ground-based platforms.
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Rapid Acquisition SCanning Aerosol Lidar (RASCAL) is a mobile, ground-based lidar system developed by the Meteorological Service of Canada. It provides rapid scanning lidar profiles of the lower troposphere at a resolution of 3 meters along the beam axis. RASCAL measurements can be used to retrieve aerosol optical depth, planetary boundary layer height, and wind profiles under certain conditions. It operates at the 1064 and 532 nm wavelengths and can complete a full profile in about 30 to 60 seconds.
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Atmospheric Pressure > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Gas Chromatography/Mass Spectrometry (GC-MS) is an in situ measurement technique used to analyze volatile organic compounds (VOCs) in the atmosphere. It employs gas chromatography to separate components of an air sample, and mass spectrometry to ionize, identify, and quantify gas species. GC-MS is utilized to detect VOCs, halocarbons, hydrocarbons, and various other pollutants. It can be used for ground-based or airborne operations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Non-methane Hydrocarbons/volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Halocarbons
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Passive-Cavity Aerosol Spectrometer Probe (PCASP) is an in situ airborne optical spectrometer manufactured by Droplet Measurement Technologies. It detects light scattered by particles to determine aerosol size distribution and concentration within the 0.1 to 3.0 μm range. PCASP operates at a wavelength of 632 nm and typically samples at 10 Hz.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Aethalometer is an in situ aerosol measuring device made by Magee Scientific. It can be used on both airborne and ground-based platforms. It collects aerosols through a filter tape and gauges the attenuation of transmitted light to assess black carbon particle levels. The Aethalometer works across seven optical wavelengths (370, 470, 520, 590, 660, 880, and 950 nm) and delivers data at a rate of 1 Hz. It has a measurement range of 0-500 μg per cubic meter and a resolution of 0.1 μg per cubic meter.
Earth Science > Atmosphere > Aerosols > Carbonaceous Aerosols
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
A Tunable Diode Laser Absorption Spectrometer (TDLAS) is an in situ optical spectrometer used either on aircraft or on the ground. TDLAS detects the wavelength-dependent absorption of light to measure the concentrations of various trace gases. It can also identify the gas species' temperature, pressure, velocity, and mass flux when applicable. TDLAS typically has a time resolution of 1 second.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
The Microorifice Uniform Deposit Impactor (MOUDI) is an in situ airborne or ground-based sampler developed by the MSP Corporation. It is an eight-stage impactor used for high-accuracy aerosol sampling for gravimetric or chemical analysis. MOUDI has a sample flow rate of 30 liters per minute and can sample particles in the size range of 0.056-18 µm. It is used for applications such as air pollution research, engine emission testing, and aerosol analysis.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Precision Radiation Thermometer (PRT-5) is an in situ infrared temperature sensor. It makes non-contact infrared (8-14 μm) temperature measurements between -50 to 150 degrees Celsius with an accuracy of 0.5 degrees Celsius. It has a typical field of view of 2 degrees and a response time of either 0.3 Hz, 3 Hz, or 30 Hz. PRT-5 can be deployed on aircraft, vehicles, research vessels, and other ground-based platforms. It can be used for sea surface, ocean water, cloud, and air temperature measurements.
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature
Earth Science > Oceans > Ocean Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
The Forward Scattering Spectrometer Probe (FSSP) is an in situ airborne optical particle counter initially developed by Particle Measuring Systems, Inc. It determines particle size distribution by measuring the light intensity scattered by individual particles within the cloud. FSSP can detect particles ranging from 0.5 to 47 μm in diameter. It functions at a wavelength of 633 nm and typically samples at a rate of 1 Hz.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Clouds > Cloud Microphysics
The Fourier Transformation Spectrometer (FTS) is a high-resolution spectrometer used both in airborne and ground-based applications. FTS measures the solar radiance reflected from the surface, which can be used to estimate levels of carbon monoxide (CO), carbon dioxide (CO2), and methane (CH4) in the atmosphere. It offers a spatial resolution of approximately 100m by 1000m and operates at a measurement frequency of 1 Hz during typical research flights.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
The High-Performance Liquid Chromatograph (HPLC) is an in situ ground-based analyzer used to separate and identify components in a sample of air or a mixture. It works by injecting a liquid into the sample, causing different flow rates for each component as they pass through the column. As each component exits the column, their concentrations are measured at a high resolution. In Earth science research, HPLC is commonly used to detect various trace species in the atmosphere, such as formaldehyde, hydrogen peroxide, and volatile organic compounds (VOCs). Although primarily used for laboratory analysis and ground-based measurements, it can also be employed for airborne measurements.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds > Hydroperoxy
X-Ray Fluorescence (XRF) is a ground-based in situ spectroscopy method used to determine the chemical composition of environmental samples. It measures the fluorescent X-ray emitted from the sample when excited by an X-ray source (0.1-10 nm) to identify its chemical composition. The two main XRF techniques are Energy Dispersive and Wavelength Dispersive. In Earth Science, XRF is employed to analyze geological samples, soils and sediments, vegetation, atmospheric particulate matter, and water samples.
Earth Science > Spectral/engineering > X-ray
NOx/NOxy is an in situ chemiluminescence instrument that measures nitrogen oxides and ozone in the atmosphere. It offers a spatial resolution better than 100 meters at typical DC-8 research flight speeds. NOx/NOxy can be used on ground-based, airborne, and shipborne platforms, enabling it to support various atmospheric chemistry and air quality studies.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Oxides
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Nitrogen Oxides
The Tandem Differential Mobility Analyzer (TDMA) is an in situ airborne and ground-based analyzer that measures the physical properties of aerosol particles, such as size distribution and concentration. It can measure particles in the size range of 0.013 to 0.75 mm with a size resolution of 0.013 mm at 0.2 mm. The TDMA is often combined with an Aerodynamic Particle Sizer (APS) to enable measurements of particles in the submicron range. A typical measurement sequence of TDMA takes approximately 45 minutes to complete.
Earth Science > Atmosphere > Aerosols > Aerosol Forward Scatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols > Cloud Condensation Nuclei
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Aerosols
Nephelometers are in situ optical sensors that can be airborne or ground-based. They measure the total scattering and backscattering of aerosol particles in the atmosphere. Nephelometers operate at three wavelengths: 450 nm, 550 nm, and 700 nm, with a typical time resolution of 1 Hz.
Earth Science > Atmosphere > Aerosols > Aerosol Forward Scatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Atmospheric Emissions and Reactions Observed from Megacities to Marine Areas
2023
Urban regions across the western and eastern United States
view all deployment dates
1 Deployment
· 0 Data Products| 2023-06-12 | 2023-08-27 |
The Picarro gas concentration analyzer is an in situ airborne or ground-based sensor manufactured by Picarro, Inc. It uses Wavelength-Scanned Cavity Ring Spectroscopy (WS-CRDS) to measure trace gases such as carbon dioxide, carbon monoxide, methane, and water vapor. For carbon dioxide measurements, the laser within Picarro operates at 1603 nm wavelength, while 1651 nm wavelength is used for methane and water vapor measurements. Picarro has a typical sampling time of 2.5 seconds. Depending on the model, Picarro can also provide measurements of carbon isotopes for gas concentrations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Gas Chromatography/Mass Spectrometry (GC-MS) is an in situ measurement technique used to analyze volatile organic compounds (VOCs) in the atmosphere. It employs gas chromatography to separate components of an air sample, and mass spectrometry to ionize, identify, and quantify gas species. GC-MS is utilized to detect VOCs, halocarbons, hydrocarbons, and various other pollutants. It can be used for ground-based or airborne operations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Non-methane Hydrocarbons/volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Halocarbons
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
The Microorifice Uniform Deposit Impactor (MOUDI) is an in situ airborne or ground-based sampler developed by the MSP Corporation. It is an eight-stage impactor used for high-accuracy aerosol sampling for gravimetric or chemical analysis. MOUDI has a sample flow rate of 30 liters per minute and can sample particles in the size range of 0.056-18 µm. It is used for applications such as air pollution research, engine emission testing, and aerosol analysis.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
The Proton Transfer Mass Spectrometer (PTR-MS) is an in situ spectrometer used both on aircraft and ground, developed by the University of Innsbruck in Austria. It detects volatile organic compounds (VOCs) without the need for sample preparation at very low concentrations. PTR-MS employs chemical ionization mass spectrometry, enabling quick and highly sensitive VOC detection. It has a signal integration time ranging from 0.5 to 1 second.
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Methanol
The Tunable Optical Profiler for Aerosol and oZone (TOPAZ) is a lidar system developed by the NOAA Chemical Sciences Laboratory. Originally designed for airborne use, it has been reconfigured for deployment in a trailer for ground-based operations. It employs the differential absorption lidar (DIAL) technique to measure ozone concentrations and aerosol backscatter profiles up to 6 to 8 km above ground level (AGL). It functions within the 285 to 310 nm wavelength range and offers an ozone profile vertical resolution of 5 m near the surface and 1000 m at 8 km AGL. TOPAZ is part of the NASA Tropospheric Ozone Lidar Network (TOLNet).
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Generic-Chemical Ionization Mass Spectrometry (Gen-CIMS) refers to a non-specific CIMS instrument on a platform. A CIMS is an in situ mass spectrometer that measures gas species by ionizing the molecules through chemical reactions. They provide measurements of trace gases, organic compounds, inorganic compounds, halogen species, and reactive nitrogen species.
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
The Tunable Infrared Laser Direct Absorption Spectrometer (TILDAS) is an in situ spectrometer developed by Aerodyne Research. It measures gas concentrations by determining how much light the species absorbs at a specific wavelength. TILDAS is used to detect various trace gases, including methane, nitrous oxide, nitrogen dioxide, carbon monoxide, carbon dioxide, formaldehyde, and ammonia. The laser operates within the mid-infrared spectrum and is tuned to a specific wavelength based on the target species. It provides measurements at a data rate of up to 10 Hz. TILDAS can be deployed on aircraft, ships, trucks, and other ground-based platforms.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Carbonyl Sulfide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
NASA African Monsoon Multidisciplinary Analyses
2006
Cape Verde Islands, Atlantic Ocean
view all deployment dates
1 Deployment
· 22 Data Products| 2006-08-15 | 2006-09-15 |
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
The Particle Soot Absorption Photometer (PSAP) is an in situ airborne photometer manufactured by Radiance Research. It applies Beer's Law to measure the change in light transmission of aerosol particles. These measurements help determine aerosol absorption and extinction. PSAP operates across three wavelengths (467, 530, and 660 nm) and has a 1-second time resolution. It is usually deployed on aircraft, but it can also be used on ships and vehicles.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
The Sferics Timing and Ranging Network (STARNET) is a long-range lightning detection system spanning South America and the Atlantic Ocean. It uses Very Low Frequency (VLF) receivers to detect sferics from lightning strikes. It operates at 7-15 kHz and measures 130 sferics per second. STARNET has a location accuracy of 2 to 10 km in South America and about 20 km in the Atlantic Ocean.
Earth Science > Atmosphere > Atmospheric Electricity > Lightning
Earth Science > Atmosphere > Atmospheric Electricity
Earth Science > Atmosphere > Weather Events > Lightning
Earth Science > Spectral/engineering > Radio Wave
The Aethalometer is an in situ aerosol measuring device made by Magee Scientific. It can be used on both airborne and ground-based platforms. It collects aerosols through a filter tape and gauges the attenuation of transmitted light to assess black carbon particle levels. The Aethalometer works across seven optical wavelengths (370, 470, 520, 590, 660, 880, and 950 nm) and delivers data at a rate of 1 Hz. It has a measurement range of 0-500 μg per cubic meter and a resolution of 0.1 μg per cubic meter.
Earth Science > Atmosphere > Aerosols > Carbonaceous Aerosols
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Atmospheric Emitted Radiance Interferometer (AERI) is a ground-based passive interferometer developed by the University of Wisconsin Space Science and Engineering Center (UW-SSEC) for the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) Program. It uses Fourier transform spectroscopy to measure downwelling thermal infrared emissions from the atmosphere. These measurements can be used to provide profile measurements of atmospheric temperature and water vapor and detect trace gases. AERI operates across the 3.3-19 μm spectral range and up to 25 μm for the extended range version of the instrument. It has an optimal vertical resolution of 100 meters and completes a full sky scan about every 20 seconds.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
The Aerodynamic Particle Sizer (APS) is an in situ spectrometer manufactured by TSI Instruments. APS measures aerodynamic particles in the 0.5-20 μm size range. It also measures the light-scattering intensity of the particles in the 0.37-20 μm optical size range. APS provides particle size distributions for 52 channels at a typical sampling time of 1 second. It uses a laser diode operating at 655 nm and has a size resolution of 0.02 μm at 1 μm. APS can be deployed on aircraft, ships, or ground-based platforms.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Total Sky Imager (TSI) is a ground-based, optical instrument developed by Yankee Environmental Systems (YES), Inc. TSI provides full-color, hemispheric images of the sky during the day using a charge-coupled device (CCD) imager. It also measures fractional sky cover and sun obscuration caused by clouds. TSI can be mounted on mobile platforms such as trailers and research vehicles, enabling it to collect cloud cover data in different locations during field studies.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Fraction
Earth Science > Atmosphere > Clouds
The Tropical Ocean/Global Atmosphere (TOGA) C-band Radar is a ground-based radar that was developed for the TOGA COARE campaign. It is a C-band (5600-5650 MHz) Doppler radar that measures reflectivity, Doppler velocity, spectrum width, and other radar parameters to characterize precipitation. It is currently located at Wallops Flight Facility (WFF) and can be deployed for land or sea-based operations. The TOGA radar has a beam width of 1.55 degrees and a typical bin spacing of 150 meters.
Earth Science > Spectral/engineering > Radar > Radial Velocity > Mean Radial Velocity
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The Micropulse Lidar (MPL) is a ground-based lidar system used for cloud detection. It measures lidar backscatter at 532 nm to retrieve cloud properties such as cloud top and base height. It can also be used for the detection of aerosols. MPL has a vertical resolution of 15 m and a maximum range of 18 km. MPL can operate autonomously and typically provides 10-second averaged data.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Top Height
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Nephelometers are in situ optical sensors that can be airborne or ground-based. They measure the total scattering and backscattering of aerosol particles in the atmosphere. Nephelometers operate at three wavelengths: 450 nm, 550 nm, and 700 nm, with a typical time resolution of 1 Hz.
Earth Science > Atmosphere > Aerosols > Aerosol Forward Scatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
The Chemical, Optical, and Microphysical Measurements of In-situ Troposphere (COMMIT) is a ground-based instrument suite operated by NASA Goddard Space Flight Center (GSFC). It consists of several gas, aerosol, and meteorological sensors housed in a twenty-foot trailer. COMMIT measures trace gas concentrations for sulfur dioxide, carbon monoxide, carbon dioxide, ozone, and nitrogen oxides. It provides measurements of aerosol mass concentrations and size distribution for the 5 nm to 20 μm size range. It also provides observations of aerosol extinction, scattering, and absorption in the 370 to 950 nm wavelength range. COMMIT is part of the SMARTLabs mobile facilities.
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Aerosols > Cloud Condensation Nuclei
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Oxides
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation
Thermo Scientific Gas Analyzers are in situ gas analyzers manufactured by ThermoFisher Scientific. They provide precise measurements of various trace gases such as ozone, carbon dioxide, carbon monoxide, and sulfur dioxide. Thermo Scientific Gas Analyzers can be deployed on aircraft, research vessels, and ground-based platforms.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
The Multifilter Rotating Shadowband Radiometer (MFRSR) is a ground-based passive radiometer used to measure the global and diffuse components of solar irradiance. It measures solar irradiance across six narrowband channels and one broadband channel. The nominal wavelengths of the narrowband channels are 415, 500, 615, 673, 870, and 940 nm. MFRSR has a typical sampling interval of 20 seconds and takes measurements at four different shadowband positions: nadir, first side-band, sun-blocked, and second side-band. MFRSR is deployed across several of the Department of Energy’s Atmospheric Radiation Measurement (ARM) User Facility sites.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance > Shortwave Downward Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
The Surface-sensing Measurements for Atmospheric Radiative Transfer (SMART) is a ground-based remote instrument suite operated by NASA Goddard Space Flight Center (GSFC). It consists of several remote sensing instruments, such as a micro-pulse lidar, sun photometer, and broadband radiometers housed in a twenty-foot trailer. SMART provides measurements of solar spectral radiance, surface spectral bi-directional reflectance, albedo, and shortwave and longwave irradiance at a spectral resolution of 1 nm. It operates across the ultraviolet to microwave spectral range. SMART is part of the SMARTLabs mobile facilities.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance > Shortwave Downward Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Albedo
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Spectral Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
The NASA S-band Dual Polarimetric Radar (NPOL) is a portable, ground-based scanning dual-polarimetric Doppler radar. As an active remote sensor, NPOL detects reflected electromagnetic waves to determine radar reflectivity, Doppler velocity, rainfall rate, particle size distribution, water content, and precipitation type. Normally, NPOL has a beamwidth of 0.95°, a gate spacing of 0.15 km, and a maximum range of 150 km. It is operationally comparable to Doppler radars used by the U.S. National Weather Service’s Next Generation Weather Radar (NEXRAD) network, but NPOL has the benefit of being fully deployable.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Atmosphere > Precipitation > Precipitation Profiles > Rain Type
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
ACCENT
Atmospheric Chemistry of Combustion Emissions Near the Tropopause
1999—2000
Southern United States
view all deployment dates
3 Deployments
· 0 Data Products| 1999-09-03 | 1999-10-08 |
| 1999-03-25 | 1999-04-24 |
| 2000-09-01 | 2000-09-15 |
The Composition and Photodissociative Flux Measurement (CPFM) is an in situ airborne spectroradiometer used for the measurement of direct and scattered solar irradiance. It is based on a holographic, diffraction grating, and a 1024-element photodiode array detector. It measures the solar flux on a horizontal surface and the limb and apparent brightness below the flight level. CPFM operates in the 300-770 nm wavelength range. CPFM has also been used for ground-based measurements.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
Stratospheric Tracers of Atmospheric Transport
1995—1996
Pacific Ocean, Moffett Field, California, Barbers Point Naval Air Station, Hawaii
view all deployment dates
6 Deployments
· 9 Data Products| 1995-04-25 | 1995-05-21 |
| 1995-10-16 | 1995-11-10 |
| 1996-01-25 | 1996-02-16 |
| 1996-07-10 | 1996-08-11 |
| 1996-09-13 | 1996-09-25 |
| 1996-12-01 | 1996-12-20 |
The Composition and Photodissociative Flux Measurement (CPFM) is an in situ airborne spectroradiometer used for the measurement of direct and scattered solar irradiance. It is based on a holographic, diffraction grating, and a 1024-element photodiode array detector. It measures the solar flux on a horizontal surface and the limb and apparent brightness below the flight level. CPFM operates in the 300-770 nm wavelength range. CPFM has also been used for ground-based measurements.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
PROVE
Prototype Validation Exercise
1997
Jornada Experimental Range near Las Cruces, New Mexico
view all deployment dates
1 Deployment
· 4 Data Products| 1997-05-20 | 1997-05-30 |
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Video cameras capture video recordings of various phenomena for research purposes. They are used on aircraft to provide continuous views of weather and terrain below the flight path. Video cameras are also employed to verify the aircraft's flight track. Additionally, they are deployed at field sites to monitor changes in vegetation, land cover, clouds, air quality, glaciers, and other Earth science phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
The LI-COR Quantum Sensor is a ground-based, in situ radiation sensor manufactured by LI-COR. It collects precise photosynthetically active radiation (PAR) measurements beneath vegetation or under artificial light sources. The sensor detects radiation within the same light spectrum (400 - 700 nm) that plants use for photosynthesis. While primarily used for ground-based measurements, the LI-COR Quantum Sensor can also be mounted on aircraft. It is suitable for long-term deployments and remains durable in high temperatures and humidity conditions.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Biosphere > Vegetation
The Spectron Engineering-590 (SE-590) Spectroradiometer is a portable spectroradiometer manufactured by Spectron Engineering. It can be used on both airborne and ground-based platforms. SE-590 uses a charge-coupled device (CCD) area array detector to measure reflectance. It operates across the visible to short-wave infrared spectral range (350-2500 nm). The SE-590 has a ground resolution of 4.5 meters when flown at an altitude of 300 meters.
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
Laser altimeters are lidar systems designed for measuring height or altitude above the ground, either from airborne or ground-based platforms. They emit a laser pulse toward the surface, measure the time it takes for the pulse to reach the ground and reflect to the sensor, and then calculate the distance to determine the elevation or altitude. They are used for topographic mapping, assessing forest canopies, measuring vegetation heights, monitoring changes in ice sheet elevation, and making real-time altitude measurements.
Earth Science > Land Surface > Topography > Terrain Elevation
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Land Surface > Topography
Earth Science > Atmosphere > Altitude
The Analytical Spectral Device Full Range (ASD-FR) is a ground-based passive spectroradiometer made by Malvern PANalytical. It measures reflectance, transmittance, radiance, and irradiance spectra of vegetation, soils, rocks, and bodies of water. It operates across the entire solar irradiance spectrum (350-2500 nm). It has a spectral resolution of 3 nm in the visible and near-infrared (VNIR) region and 8 nm in the shortwave infrared (SWIR). ASD-FR is used for collecting ground truth data, geology research, plant physiology, ecology studies, and other atmospheric remote sensing applications.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Radiance
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Radiance
Ceptometers are ground-based radiation sensors used to measure photosynthetically active radiation (PAR) in plant canopies. Ceptometers make PAR measurements above and below the canopy to calculate the leaf area index (LAI). Ceptometers are used for vegetation and agriculture research into plant growth, canopy structure, light interception, and other canopy characteristics.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation
Infrared Thermometers (IRTs) are ground-based pyrometers that measure the brightness temperature of a scene within their field of view. They determine brightness temperature by detecting electromagnetic radiation emitted by Earth’s surface. These measurements are used to find either the surface skin temperature or the sea surface temperature, depending on whether the platform is on land or water. IRTs typically operate within the 8- to 14-μm wavelength range.
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
The Modular Multiband Radiometer (MMR) is an airborne multispectral radiometer manufactured by Barnes Engineering Company. MMR measures radiance across 8 spectral bands in the infrared and visible wavelengths (0.4-12.5 μm) to produce images of vegetation and other surface features. At an altitude of 300 meters, the MMR has an instantaneous field of view (IFOV) of about 79 meters and a 15-degree field of view (FOV). It is typically deployed on small aircraft like helicopters but can also be used on ground-based platforms.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Radiance
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Radiance
Earth Science > Land Surface > Surface Radiative Properties > Reflectance
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Imagery
The Multifilter Rotating Shadowband Radiometer (MFRSR) is a ground-based passive radiometer used to measure the global and diffuse components of solar irradiance. It measures solar irradiance across six narrowband channels and one broadband channel. The nominal wavelengths of the narrowband channels are 415, 500, 615, 673, 870, and 940 nm. MFRSR has a typical sampling interval of 20 seconds and takes measurements at four different shadowband positions: nadir, first side-band, sun-blocked, and second side-band. MFRSR is deployed across several of the Department of Energy’s Atmospheric Radiation Measurement (ARM) User Facility sites.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance > Shortwave Downward Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
The Portable Apparatus for Rapid Acquisition of Bidirectional Observations of the Land and Atmosphere (PARABOLA) is a passive ground-based sphere scanning radiometer. It measures surface reflectance across eight spectral channels. The first four channels (444, 551, 650, and 860 nm) coincide with spectral bands from the Multi-angle Imaging SpectroRadiometer (MISR) on the Terra satellite for validation purposes. The last four channels are used for the characterization of water vapor (944 nm), aerosol optical depth at longer wavelengths (1028 and 1650 nm), and measurements of photosynthetically active radiation (400-700 nm). The measurements from PARABOLA can be used to derive the surface bidirectional reflectance factor and sky and surface radiances. A complete scan of both sky and ground hemispheres takes approximately 3 minutes.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
SMEX
Soil Moisture Experiment
2002—2005
Iowa, Oklahoma, Georgia, Alabama, Arizona, Sonora, Mexico
view all deployment dates
4 Deployments
· 0 Data Products| 2005-06-10 | 2005-07-08 |
| 2004-07-20 | 2004-08-26 |
| 2002-06-15 | 2002-07-23 |
| 2003-06-16 | 2003-07-21 |
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Infrared Thermometers (IRTs) are ground-based pyrometers that measure the brightness temperature of a scene within their field of view. They determine brightness temperature by detecting electromagnetic radiation emitted by Earth’s surface. These measurements are used to find either the surface skin temperature or the sea surface temperature, depending on whether the platform is on land or water. IRTs typically operate within the 8- to 14-μm wavelength range.
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
The Radio Acoustic Sounding System (RASS) is an active ground-based acoustic sounder that provides profiles of virtual temperature. It uses radar techniques to measure acoustic disturbances and derive the virtual temperature. RASS is typically used alongside radar wind profilers (RWPs) and operates at frequencies of 915 MHz and 1290 MHz. It has a sampling rate of approximately 5 to 15 minutes, a vertical resolution of 150 m, and a horizontal resolution of 60 m.
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Boundary Layer Temperature
Earth Science > Atmosphere > Atmospheric Pressure > Planetary Boundary Layer Height
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Virtual Temperature
Stream gauges are ground-based sensors that measure the water level or stage of rivers and streams at specific locations. The flow or discharge of a river can then be calculated from these stage measurements. These gauges can provide continuous data, making them useful for monitoring flood risk and water supply. The United States Geological Survey (USGS) operates a network of over 10,000 stream gauges across the United States to assist with flood prediction and water resource management.
Earth Science > Biosphere > Ecosystems > Freshwater Ecosystems > Rivers/stream
Earth Science > Terrestrial Hydrosphere > Surface Water > Surface Water Processes/measurements > Stage Height
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
The Raman Lidar (RL) is a ground-based lidar system operated by the Department of Energy’s (DoE) Atmospheric Radiation Measurement (ARM) User Facility. It detects Raman backscatter in the ultraviolet range (355 nm) to provide profiles of water vapor, temperature, and aerosol and cloud optical properties. It also detects Raman backscatter from water vapor at 408 nm and molecular nitrogen at 387 nm to help derive aerosol optical properties and water vapor mixing ratios. It has a range resolution of 7.5 m, a time resolution of 10 seconds, and a pulse repetition frequency of 30 Hz. RL can deliver profile measurements from approximately 200 m up to 10 km above ground level.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles > Water Vapor Mixing Ratio Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
SMEX
Soil Moisture Experiment
2002—2005
Iowa, Oklahoma, Georgia, Alabama, Arizona, Sonora, Mexico
view all deployment dates
4 Deployments
· 0 Data Products| 2005-06-10 | 2005-07-08 |
| 2004-07-20 | 2004-08-26 |
| 2002-06-15 | 2002-07-23 |
| 2003-06-16 | 2003-07-21 |
Infrared Thermometers (IRTs) are ground-based pyrometers that measure the brightness temperature of a scene within their field of view. They determine brightness temperature by detecting electromagnetic radiation emitted by Earth’s surface. These measurements are used to find either the surface skin temperature or the sea surface temperature, depending on whether the platform is on land or water. IRTs typically operate within the 8- to 14-μm wavelength range.
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
A pyrometer is a remote-sensing infrared thermometer that measures the temperature of distant objects. It determines an object's temperature by detecting its thermal radiation. It can be mounted on aircraft, ground vehicles, or water-based platforms for surface and sea surface temperature observations. For atmospheric studies, the pyrometer usually operates in the 9.6 to 11.5 µm spectral range and has a temperature range of -25 to 200 degrees Celsius. Pyrometers typically have a response time between 5 milliseconds and 600 seconds.
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
Stream gauges are ground-based sensors that measure the water level or stage of rivers and streams at specific locations. The flow or discharge of a river can then be calculated from these stage measurements. These gauges can provide continuous data, making them useful for monitoring flood risk and water supply. The United States Geological Survey (USGS) operates a network of over 10,000 stream gauges across the United States to assist with flood prediction and water resource management.
Earth Science > Biosphere > Ecosystems > Freshwater Ecosystems > Rivers/stream
Earth Science > Terrestrial Hydrosphere > Surface Water > Surface Water Processes/measurements > Stage Height
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
SHIFT
Surface Biology and Geology (SBG) High-Frequency Time Series
2022
Santa Barbara County, California, Pacific Ocean
view all deployment dates
1 Deployment
· 17 Data Products| 2022-02-24 | 2022-09-27 |
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
The Analytical Spectral Device Full Range (ASD-FR) is a ground-based passive spectroradiometer made by Malvern PANalytical. It measures reflectance, transmittance, radiance, and irradiance spectra of vegetation, soils, rocks, and bodies of water. It operates across the entire solar irradiance spectrum (350-2500 nm). It has a spectral resolution of 3 nm in the visible and near-infrared (VNIR) region and 8 nm in the shortwave infrared (SWIR). ASD-FR is used for collecting ground truth data, geology research, plant physiology, ecology studies, and other atmospheric remote sensing applications.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Radiance
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Radiance
Photochemistry of Ozone Loss in the Arctic Region In Summer
1997
Arctic, Mid-latitudes
view all deployment dates
3 Deployments
· 9 Data Products| 1997-06-23 | 1997-07-12 |
| 1997-09-02 | 1997-09-25 |
| 1997-04-16 | 1997-05-15 |
The Composition and Photodissociative Flux Measurement (CPFM) is an in situ airborne spectroradiometer used for the measurement of direct and scattered solar irradiance. It is based on a holographic, diffraction grating, and a 1024-element photodiode array detector. It measures the solar flux on a horizontal surface and the limb and apparent brightness below the flight level. CPFM operates in the 300-770 nm wavelength range. CPFM has also been used for ground-based measurements.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
SMAPVEX
Soil Moisture Active Passive Validation Experiment
2008—2022
United States, Canada, Iowa, Maryland, Arizona, Massachusetts, Manitoba
view all deployment dates
5 Deployments
· 25 Data Products| 2008-09-20 | 2008-10-19 |
| 2012-06-06 | 2012-07-19 |
| 2015-08-02 | 2015-08-18 |
| 2016-05-25 | 2016-08-16 |
| 2022-04-02 | 2022-08-09 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
SMAPVEX
Soil Moisture Active Passive Validation Experiment
2008—2022
United States, Canada, Iowa, Maryland, Arizona, Massachusetts, Manitoba
view all deployment dates
5 Deployments
· 25 Data Products| 2008-09-20 | 2008-10-19 |
| 2012-06-06 | 2012-07-19 |
| 2015-08-02 | 2015-08-18 |
| 2016-05-25 | 2016-08-16 |
| 2022-04-02 | 2022-08-09 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
SMEX
Soil Moisture Experiment
2002—2005
Iowa, Oklahoma, Georgia, Alabama, Arizona, Sonora, Mexico
view all deployment dates
4 Deployments
· 0 Data Products| 2005-06-10 | 2005-07-08 |
| 2004-07-20 | 2004-08-26 |
| 2002-06-15 | 2002-07-23 |
| 2003-06-16 | 2003-07-21 |
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Infrared Thermometers (IRTs) are ground-based pyrometers that measure the brightness temperature of a scene within their field of view. They determine brightness temperature by detecting electromagnetic radiation emitted by Earth’s surface. These measurements are used to find either the surface skin temperature or the sea surface temperature, depending on whether the platform is on land or water. IRTs typically operate within the 8- to 14-μm wavelength range.
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
Stream gauges are ground-based sensors that measure the water level or stage of rivers and streams at specific locations. The flow or discharge of a river can then be calculated from these stage measurements. These gauges can provide continuous data, making them useful for monitoring flood risk and water supply. The United States Geological Survey (USGS) operates a network of over 10,000 stream gauges across the United States to assist with flood prediction and water resource management.
Earth Science > Biosphere > Ecosystems > Freshwater Ecosystems > Rivers/stream
Earth Science > Terrestrial Hydrosphere > Surface Water > Surface Water Processes/measurements > Stage Height
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
SMEX
Soil Moisture Experiment
2002—2005
Iowa, Oklahoma, Georgia, Alabama, Arizona, Sonora, Mexico
view all deployment dates
4 Deployments
· 0 Data Products| 2005-06-10 | 2005-07-08 |
| 2004-07-20 | 2004-08-26 |
| 2002-06-15 | 2002-07-23 |
| 2003-06-16 | 2003-07-21 |
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Infrared Thermometers (IRTs) are ground-based pyrometers that measure the brightness temperature of a scene within their field of view. They determine brightness temperature by detecting electromagnetic radiation emitted by Earth’s surface. These measurements are used to find either the surface skin temperature or the sea surface temperature, depending on whether the platform is on land or water. IRTs typically operate within the 8- to 14-μm wavelength range.
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
A pyrometer is a remote-sensing infrared thermometer that measures the temperature of distant objects. It determines an object's temperature by detecting its thermal radiation. It can be mounted on aircraft, ground vehicles, or water-based platforms for surface and sea surface temperature observations. For atmospheric studies, the pyrometer usually operates in the 9.6 to 11.5 µm spectral range and has a temperature range of -25 to 200 degrees Celsius. Pyrometers typically have a response time between 5 milliseconds and 600 seconds.
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
SnowEx
2016—2023
Colorado, Idaho, Utah, Alaska
view all deployment dates
4 Deployments
· 86 Data Products| 2016-09-26 | 2017-02-26 |
| 2019-11-14 | 2020-03-12 |
| 2022-10-22 | 2023-10-28 |
| 2020-11-16 | 2021-09-21 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
Ground penetrating radar (GPR) is an electromagnetic geophysical technique used to image the subsurface. It transmits radio wave pulses to detect returning signals, which help determine the depth and size of subsurface targets. GPR generally operates in the 10 to 1000 MHz frequency range and can reach depths of about 10 to 100 meters, depending on the surface. In Earth science, GPR is used to measure ice thickness, soil layers, groundwater levels, bedrock depth, water depth, rock fractures, and various other applications.
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Imagery
The Riegl VZ-1000 is a ground-based terrestrial laser scanner manufactured by Riegl Laser Measurement Systems. It provides lidar point cloud measurements to determine surface topography features. It operates at a 1550 nm wavelength and has a scan rate of up to 122,000 points per second. It has a maximum scan range of 1.4 km and a resolution of 2 cm.
Earth Science > Land Surface > Topography > Terrain Elevation
Earth Science > Land Surface > Topography
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
A Snow Water Equivalent (SWE) Sampler is a ground-based device used in the field to measure SWE. A core sample of snow is collected using a snow tube sampler or snow corer. The tube is inserted vertically into the snowpack until it reaches the ground surface, and a ruler on the tube measures the snow depth. The sample is then removed and weighed on a calibrated scale to determine the snow density. The SWE within the sample is calculated by multiplying the snow density by the snow depth.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Atmosphere > Precipitation > Snow Water Equivalent
Earth Science > Cryosphere > Snow/ice > Snow Water Equivalent
Earth Science > Oceans > Sea Ice > Snow Depth
Earth Science > Climate Indicators > Cryospheric Indicators > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Sea Ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Water Equivalent
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
The SnowMicroPen (SMP) is a ground-based snow penetrometer operated by the WSL Institute for Snow and Avalanche Research SLF. It measures the penetration resistance of snowpacks using a piezoelectric force sensor. These measurements help determine microstructural parameters, snow stratigraphy, and snow properties such as density and surface area. SMP typically can measure snow depths up to 1.25 m with a vertical resolution of less than 1 mm.
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
Earth Science > Cryosphere > Snow/ice > Snow Stratigraphy
Earth Science > Cryosphere > Snow/ice
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The Leica ScanStation C10 is a ground-based high-definition surveying (HDS) scanner manufactured by Leica Geosystems. It provides terrestrial lidar scanning (TLS) point cloud measurements to determine canopy structure and surface topography. It operates at 532 nm wavelength and has a scan rate of up to 50,000 points per second. It has a range resolution of 130 to 300 m, depending on the albedo of the surface.
Earth Science > Land Surface > Topography > Terrain Elevation
Earth Science > Land Surface > Topography
Earth Science > Land Surface > Topography > Terrain Elevation > Topographical Relief Maps
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
This description will be added in a future version.
Earth Science > Terrestrial Hydrosphere > Snow/ice
Earth Science > Cryosphere > Snow/ice > Snow Microstructure > Specific Surface Area
Earth Science > Cryosphere > Snow/ice > Snow Microstructure
A snow measuring rod is a ground-based instrument used to measure snow depth. It is designed to be pushed into the snow until the underlying surface is reached to determine the snow depth. Snow measuring rods can be manual or automated, with the automated rod able to measure the depth and position simultaneously.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Snow/ice
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
SnowEx
2016—2023
Colorado, Idaho, Utah, Alaska
view all deployment dates
4 Deployments
· 86 Data Products| 2016-09-26 | 2017-02-26 |
| 2019-11-14 | 2020-03-12 |
| 2022-10-22 | 2023-10-28 |
| 2020-11-16 | 2021-09-21 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Ground penetrating radar (GPR) is an electromagnetic geophysical technique used to image the subsurface. It transmits radio wave pulses to detect returning signals, which help determine the depth and size of subsurface targets. GPR generally operates in the 10 to 1000 MHz frequency range and can reach depths of about 10 to 100 meters, depending on the surface. In Earth science, GPR is used to measure ice thickness, soil layers, groundwater levels, bedrock depth, water depth, rock fractures, and various other applications.
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Imagery
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The Riegl VZ-1000 is a ground-based terrestrial laser scanner manufactured by Riegl Laser Measurement Systems. It provides lidar point cloud measurements to determine surface topography features. It operates at a 1550 nm wavelength and has a scan rate of up to 122,000 points per second. It has a maximum scan range of 1.4 km and a resolution of 2 cm.
Earth Science > Land Surface > Topography > Terrain Elevation
Earth Science > Land Surface > Topography
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
The SnowMicroPen (SMP) is a ground-based snow penetrometer operated by the WSL Institute for Snow and Avalanche Research SLF. It measures the penetration resistance of snowpacks using a piezoelectric force sensor. These measurements help determine microstructural parameters, snow stratigraphy, and snow properties such as density and surface area. SMP typically can measure snow depths up to 1.25 m with a vertical resolution of less than 1 mm.
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
Earth Science > Cryosphere > Snow/ice > Snow Stratigraphy
Earth Science > Cryosphere > Snow/ice
This description will be added in a future version.
Earth Science > Terrestrial Hydrosphere > Snow/ice
Earth Science > Cryosphere > Snow/ice > Snow Microstructure > Specific Surface Area
Earth Science > Cryosphere > Snow/ice > Snow Microstructure
C-band radars operate within the 4-8 GHz frequency range. They provide measurements of radar reflectivity, Doppler velocity, and other parameters to characterize precipitation and clouds. C-band radars are usually used for short-range weather observations because they are more prone to attenuation.
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Spectrum Width
A snow measuring rod is a ground-based instrument used to measure snow depth. It is designed to be pushed into the snow until the underlying surface is reached to determine the snow depth. Snow measuring rods can be manual or automated, with the automated rod able to measure the depth and position simultaneously.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Snow/ice
Earth Science > Atmosphere > Precipitation > Solid Precipitation > Snow
A Snow Water Equivalent (SWE) Sampler is a ground-based device used in the field to measure SWE. A core sample of snow is collected using a snow tube sampler or snow corer. The tube is inserted vertically into the snowpack until it reaches the ground surface, and a ruler on the tube measures the snow depth. The sample is then removed and weighed on a calibrated scale to determine the snow density. The SWE within the sample is calculated by multiplying the snow density by the snow depth.
Earth Science > Cryosphere > Snow/ice > Snow Depth
Earth Science > Atmosphere > Precipitation > Snow Water Equivalent
Earth Science > Cryosphere > Snow/ice > Snow Water Equivalent
Earth Science > Oceans > Sea Ice > Snow Depth
Earth Science > Climate Indicators > Cryospheric Indicators > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Depth
Earth Science > Cryosphere > Sea Ice > Snow Depth
Earth Science > Terrestrial Hydrosphere > Snow/ice > Snow Water Equivalent
Delta Exchange
2021—2023
Atchafalaya and Terrebonne basins of the Mississippi River Delta
view all deployment dates
2 Deployments
· 68 Data Products| 2021-03-26 | 2021-04-18 |
| 2021-08-18 | 2021-09-15 |
Turbidity sensors are in situ water quality sensors that measure the cloudiness, or turbidity, of a liquid caused by suspended particles. Turbidity sensors are nephelometers that emit light and detect the amount of light scattered by particles within the water sample. These sensors are used for assessing sediment levels and pollution in rivers and lakes, and monitoring the water quality of drinking water and industrial processes.
Earth Science > Oceans > Ocean Optics
Earth Science > Terrestrial Hydrosphere > Water Quality/water Chemistry
Earth Science > Terrestrial Hydrosphere > Water Quality/water Chemistry > Water Characteristics > Turbidity
Earth Science > Oceans > Ocean Optics > Turbidity
HSI-HABs
Hyperspectral Imaging of Harmful Algae Blooms
2015—2019
Western Lake Erie
view all deployment dates
5 Deployments
· 0 Data Products| 2015-07-13 | 2015-10-19 |
| 2016-06-06 | 2016-10-25 |
| 2017-06-21 | 2017-10-18 |
| 2018-07-03 | 2018-10-12 |
| 2019-08-09 | 2019-09-27 |
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Tropical Rainfall Measuring Mission-Large Scale Biosphere-Atmosphere
1999
Brazil, Southwest Amazon basin
view all deployment dates
1 Deployment
· 1 Data Product| 1999-01-07 | 1999-02-28 |
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
The Two-Dimensional Video Disdrometer (2DVD) is a stationary, ground-based optical disdrometer. It has two line-scan cameras that continuously measure various precipitation properties such as droplet shape, fall velocity, and size distribution. The 2DVD precisely measures all precipitation particles larger than 0.2 mm in diameter, making it suitable for various precipitation studies.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
The Tropical Ocean/Global Atmosphere (TOGA) C-band Radar is a ground-based radar that was developed for the TOGA COARE campaign. It is a C-band (5600-5650 MHz) Doppler radar that measures reflectivity, Doppler velocity, spectrum width, and other radar parameters to characterize precipitation. It is currently located at Wallops Flight Facility (WFF) and can be deployed for land or sea-based operations. The TOGA radar has a beam width of 1.55 degrees and a typical bin spacing of 150 meters.
Earth Science > Spectral/engineering > Radar > Radial Velocity > Mean Radial Velocity
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
The S-band Polarimetric (S-POL) Doppler radar is a transportable ground-based radar operated by the National Center for Atmospheric Research (NCAR). It is a dual-polarization radar that measures reflectivity, Doppler velocity, and spectrum width to characterize precipitation and convective systems. S-Pol operates at a frequency of 2.7-2.9 GHz and has a beam width of 0.92 degrees. Its range spans from 150 to 675 meters, with a gate spacing of 37.5 to 150 meters.
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
Tropical Rain Measuring Mission-Kwajalein Experiment
1999
Kwajalein Atoll, Marshall Islands
view all deployment dates
1 Deployment
· 1 Data Product| 1999-07-23 | 1999-09-15 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
The Two-Dimensional Video Disdrometer (2DVD) is a stationary, ground-based optical disdrometer. It has two line-scan cameras that continuously measure various precipitation properties such as droplet shape, fall velocity, and size distribution. The 2DVD precisely measures all precipitation particles larger than 0.2 mm in diameter, making it suitable for various precipitation studies.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
The Joss-Waldvogel (JW) Disdrometer is a ground-based impact-type disdrometer manufactured by Distromet. It uses an electromechanical counter to determine the drop size distribution (DSD) of raindrops. It can detect raindrops within the 0.3 to 5.5 mm diameter size range. The JW Disdrometer can record up to 200 drops per second and has a typical sampling frequency of 1 minute.
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
S-band radars are ground-based or shipborne radars that operate at the frequency range of 2-4 GHz. They provide measurements of radar reflectivity, Doppler velocity, and other radar parameters to characterize precipitation and clouds. They are not easily attenuated making them useful for near and far-range weather observations.
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Spectral/engineering > Radar
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
The Sound Detection and Ranging (SODAR) is an active ground-based acoustic sensor that measures atmospheric winds and turbulence. It sends acoustic energy into the atmosphere and detects the strength and frequency of the backscattered energy. The backscattered signal can be used to determine the horizontal wind field, assuming the scattered energy moves with the mean wind. SODARs are frequently used in boundary layer studies to measure turbulence and wind profiles.
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Horizontal Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Vertical Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
Earth Science > Atmosphere > Atmospheric Winds
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
First International Satellite Land Surface Climatology Project (ISLSCP) Field Experiment
1987—1989
Central Kansas
view all deployment dates
2 Deployments
· 115 Data Products| 1987-05-26 | 1987-10-16 |
| 1989-07-24 | 1989-08-12 |
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
The Sound Detection and Ranging (SODAR) is an active ground-based acoustic sensor that measures atmospheric winds and turbulence. It sends acoustic energy into the atmosphere and detects the strength and frequency of the backscattered energy. The backscattered signal can be used to determine the horizontal wind field, assuming the scattered energy moves with the mean wind. SODARs are frequently used in boundary layer studies to measure turbulence and wind profiles.
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Horizontal Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Vertical Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
Earth Science > Atmosphere > Atmospheric Winds
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
The Volume Imaging Lidar (VIL) is a ground-based lidar system operated by the University of Wisconsin. It is an elastic backscatter lidar that operates at the 1064 nm wavelength. It provides aerosol backscatter profiles with a range resolution of 7.5 m or 15 m. VIL has a maximum range of 18 km and a repetition rate of 30 Hz. The Naval Research Laboratory (NRL) also operates its own VIL with similar specifications.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Eddy Covariance Flux Towers are in situ micrometeorological surface towers. They are equipped with gas sensors to continuously measure the trace gas fluxes between the land surface and the atmosphere. Eddy Covariance Towers are typically used to measure fluxes for carbon dioxide (CO2), methane (CH4), and water vapor (H2O). These towers are also equipped with various meteorological sensors to measure air temperature, precipitation, winds, radiation, and soil temperature.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
Earth Science > Atmosphere > Atmospheric Winds
Earth Science > Atmosphere > Precipitation
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
The LI-COR Quantum Sensor is a ground-based, in situ radiation sensor manufactured by LI-COR. It collects precise photosynthetically active radiation (PAR) measurements beneath vegetation or under artificial light sources. The sensor detects radiation within the same light spectrum (400 - 700 nm) that plants use for photosynthesis. While primarily used for ground-based measurements, the LI-COR Quantum Sensor can also be mounted on aircraft. It is suitable for long-term deployments and remains durable in high temperatures and humidity conditions.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Biosphere > Vegetation
The Spectron Engineering-590 (SE-590) Spectroradiometer is a portable spectroradiometer manufactured by Spectron Engineering. It can be used on both airborne and ground-based platforms. SE-590 uses a charge-coupled device (CCD) area array detector to measure reflectance. It operates across the visible to short-wave infrared spectral range (350-2500 nm). The SE-590 has a ground resolution of 4.5 meters when flown at an altitude of 300 meters.
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
The Lyman-alpha Hygrometer is an in situ hygrometer designed for deployment on airborne or ground-based platforms. It measures water vapor absorption at the Lyman-alpha wavelength (121.6 nm) of atomic hydrogen to determine the total water content in the atmosphere. It has a detection limit of 0.1 ppmv and a typical data acquisition rate of 1 second. The Lyman-alpha hygrometer provides water vapor measurements with an accuracy of 6% and a precision of 5%.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles > Water Vapor Mixing Ratio Profiles
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Atmospheric Water Vapor
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
Infrared Thermometers (IRTs) are ground-based pyrometers that measure the brightness temperature of a scene within their field of view. They determine brightness temperature by detecting electromagnetic radiation emitted by Earth’s surface. These measurements are used to find either the surface skin temperature or the sea surface temperature, depending on whether the platform is on land or water. IRTs typically operate within the 8- to 14-μm wavelength range.
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
The Modular Multiband Radiometer (MMR) is an airborne multispectral radiometer manufactured by Barnes Engineering Company. MMR measures radiance across 8 spectral bands in the infrared and visible wavelengths (0.4-12.5 μm) to produce images of vegetation and other surface features. At an altitude of 300 meters, the MMR has an instantaneous field of view (IFOV) of about 79 meters and a 15-degree field of view (FOV). It is typically deployed on small aircraft like helicopters but can also be used on ground-based platforms.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Radiance
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Radiance
Earth Science > Land Surface > Surface Radiative Properties > Reflectance
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Imagery
Stream gauges are ground-based sensors that measure the water level or stage of rivers and streams at specific locations. The flow or discharge of a river can then be calculated from these stage measurements. These gauges can provide continuous data, making them useful for monitoring flood risk and water supply. The United States Geological Survey (USGS) operates a network of over 10,000 stream gauges across the United States to assist with flood prediction and water resource management.
Earth Science > Biosphere > Ecosystems > Freshwater Ecosystems > Rivers/stream
Earth Science > Terrestrial Hydrosphere > Surface Water > Surface Water Processes/measurements > Stage Height
The Portable Apparatus for Rapid Acquisition of Bidirectional Observations of the Land and Atmosphere (PARABOLA) is a passive ground-based sphere scanning radiometer. It measures surface reflectance across eight spectral channels. The first four channels (444, 551, 650, and 860 nm) coincide with spectral bands from the Multi-angle Imaging SpectroRadiometer (MISR) on the Terra satellite for validation purposes. The last four channels are used for the characterization of water vapor (944 nm), aerosol optical depth at longer wavelengths (1028 and 1650 nm), and measurements of photosynthetically active radiation (400-700 nm). The measurements from PARABOLA can be used to derive the surface bidirectional reflectance factor and sky and surface radiances. A complete scan of both sky and ground hemispheres takes approximately 3 minutes.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
WINter EXperiment
1999
Upper Midwest, Great Lakes, Canada
view all deployment dates
1 Deployment
· 0 Data Products| 1999-03-15 | 1999-04-04 |
The Volume Imaging Lidar (VIL) is a ground-based lidar system operated by the University of Wisconsin. It is an elastic backscatter lidar that operates at the 1064 nm wavelength. It provides aerosol backscatter profiles with a range resolution of 7.5 m or 15 m. VIL has a maximum range of 18 km and a repetition rate of 30 Hz. The Naval Research Laboratory (NRL) also operates its own VIL with similar specifications.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Atmospheric Emitted Radiance Interferometer (AERI) is a ground-based passive interferometer developed by the University of Wisconsin Space Science and Engineering Center (UW-SSEC) for the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) Program. It uses Fourier transform spectroscopy to measure downwelling thermal infrared emissions from the atmosphere. These measurements can be used to provide profile measurements of atmospheric temperature and water vapor and detect trace gases. AERI operates across the 3.3-19 μm spectral range and up to 25 μm for the extended range version of the instrument. It has an optimal vertical resolution of 100 meters and completes a full sky scan about every 20 seconds.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
The High Spectral Resolution Lidar (HSRL) is an airborne lidar system developed at NASA Langley Research Center (LaRC). It uses the HSRL technique at 532 nm and the standard backscatter technique at 1064 nm to provide profile measurements of aerosol backscatter, extinction, and depolarization. The profiles of aerosol backscatter and depolarization typically have a vertical resolution of 30 m and a horizontal resolution of about 1 km. For the extinction profiles, the vertical resolution is 300 m with a horizontal resolution of approximately 6 km. HSRL is usually flown during investigations to validate observations from the CALIPSO spaceborne lidar.
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
BlueFlux
2022—2023
Southern Florida
view all deployment dates
4 Deployments
· 4 Data Products| 2023-02-05 | 2023-02-13 |
| 2023-03-10 | 2023-04-19 |
| 2022-03-19 | 2022-04-26 |
| 2022-10-14 | 2022-10-21 |
The Picarro gas concentration analyzer is an in situ airborne or ground-based sensor manufactured by Picarro, Inc. It uses Wavelength-Scanned Cavity Ring Spectroscopy (WS-CRDS) to measure trace gases such as carbon dioxide, carbon monoxide, methane, and water vapor. For carbon dioxide measurements, the laser within Picarro operates at 1603 nm wavelength, while 1651 nm wavelength is used for methane and water vapor measurements. Picarro has a typical sampling time of 2.5 seconds. Depending on the model, Picarro can also provide measurements of carbon isotopes for gas concentrations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
MILAGRO
Megacity Initiative: Local and Global Research Observations
2006
Mexico City Metropolitan Area
view all deployment dates
1 Deployment
· 0 Data Products| 2006-03-01 | 2006-03-30 |
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
The Sound Detection and Ranging (SODAR) is an active ground-based acoustic sensor that measures atmospheric winds and turbulence. It sends acoustic energy into the atmosphere and detects the strength and frequency of the backscattered energy. The backscattered signal can be used to determine the horizontal wind field, assuming the scattered energy moves with the mean wind. SODARs are frequently used in boundary layer studies to measure turbulence and wind profiles.
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Horizontal Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Vertical Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
Earth Science > Atmosphere > Atmospheric Winds
The Scanning Actinic Flux Spectroradiometer (SAFS) is an in situ airborne spectroradiometer developed by NCAR. It measures wavelength-dependent actinic flux from 280 to 420 nm. These measurements are used to calculate the photolysis frequencies for multiple species, including ozone, nitrogen dioxide, formaldehyde, nitric acid, and peroxyacetyl nitrate. SAFS has a measurement sampling rate of 0.1 Hz.
Earth Science > Atmosphere > Atmospheric Chemistry > Photochemistry > Photolysis Rates
Earth Science > Atmosphere > Atmospheric Radiation > Actinic Flux
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
The Aerosol Mass Spectrometer (AMS) is an in situ spectrometer developed by Aerodyne Research. It employs quadrupole mass spectrometry to measure aerosol chemical composition and properties. It can detect particles ranging from 40 nm to 1 micron in size and has a time resolution of up to 10 Hz. It can be installed on aircraft, research vessels, mobile laboratories, or other ground-based platforms.
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
The Particle Soot Absorption Photometer (PSAP) is an in situ airborne photometer manufactured by Radiance Research. It applies Beer's Law to measure the change in light transmission of aerosol particles. These measurements help determine aerosol absorption and extinction. PSAP operates across three wavelengths (467, 530, and 660 nm) and has a 1-second time resolution. It is usually deployed on aircraft, but it can also be used on ships and vehicles.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Gas Chromatography/Mass Spectrometry (GC-MS) is an in situ measurement technique used to analyze volatile organic compounds (VOCs) in the atmosphere. It employs gas chromatography to separate components of an air sample, and mass spectrometry to ionize, identify, and quantify gas species. GC-MS is utilized to detect VOCs, halocarbons, hydrocarbons, and various other pollutants. It can be used for ground-based or airborne operations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Non-methane Hydrocarbons/volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Halocarbons
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The Georgia Institute of Technology Chemical Ionization Mass Spectrometer (GT-CIMS) is an in situ airborne spectrometer. It employs a lower-pressure flow tube reactor to detect reactive nitrogen species such as nitric acid and peroxyacetyl nitrate (PAN) in the lower atmosphere. GT-CIMS typically has a temporal resolution of 1 second and a detection limit of 10 pptv.
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Hydrogen Chloride
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Methanol
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Peroxyacyl Nitrate
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Acid
The Thermal-Dissociation Laser Induced Fluorescence (TD-LIF) is an in situ airborne sensor developed at UC Berkeley. It combines the TD and LIF techniques to measure nitrogen dioxide (NO2), peroxynitrates, nitric acid (HNO3), and other stable organic nitrates in the atmosphere. TD-LIF operates at a wavelength of 585 nm and typically measures at a frequency of 1 Hz.
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Acid
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Peroxyacyl Nitrate
The Scanning Mobility Particle Sizer (SMPS) is an in situ aerosol sensor that can be operated on airborne or ground-based platforms, manufactured by TSI Incorporated. SMPS uses a differential mobility analyzer (DMA) to measure the electrical mobility diameter of aerosol particles, which helps determine the size distribution. It also counts the number of aerosol particles using a condensation particle counter (CPC). It detects particles in the size range of 10-1000 nm and typically takes about 10 seconds to complete each scan.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
The Optical Particle Counter (OPC) is an optical device used to measure aerosol particle size and concentration. It determines particle size and concentration by detecting the intensity of scattered light. Most OPCs operate within the visible to near-infrared wavelengths (500-1100 nm) and have a time resolution of 1 second. They are typically used to measure particles larger than 0.5 μm in diameter. OPCs can be used for both airborne and ground-based applications.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
The Aethalometer is an in situ aerosol measuring device made by Magee Scientific. It can be used on both airborne and ground-based platforms. It collects aerosols through a filter tape and gauges the attenuation of transmitted light to assess black carbon particle levels. The Aethalometer works across seven optical wavelengths (370, 470, 520, 590, 660, 880, and 950 nm) and delivers data at a rate of 1 Hz. It has a measurement range of 0-500 μg per cubic meter and a resolution of 0.1 μg per cubic meter.
Earth Science > Atmosphere > Aerosols > Carbonaceous Aerosols
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
A Tunable Diode Laser Absorption Spectrometer (TDLAS) is an in situ optical spectrometer used either on aircraft or on the ground. TDLAS detects the wavelength-dependent absorption of light to measure the concentrations of various trace gases. It can also identify the gas species' temperature, pressure, velocity, and mass flux when applicable. TDLAS typically has a time resolution of 1 second.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
A pyrheliometer is a ground-based passive radiation sensor. It is used to measure direct beam solar irradiance. Pyrheliometers use a thermopile that converts heat from sunlight to an electrical signal to determine solar radiation. Pyrheliometers measure solar radiation in the 200-4000 nm wavelength range.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
The Aerodynamic Particle Sizer (APS) is an in situ spectrometer manufactured by TSI Instruments. APS measures aerodynamic particles in the 0.5-20 μm size range. It also measures the light-scattering intensity of the particles in the 0.37-20 μm optical size range. APS provides particle size distributions for 52 channels at a typical sampling time of 1 second. It uses a laser diode operating at 655 nm and has a size resolution of 0.02 μm at 1 μm. APS can be deployed on aircraft, ships, or ground-based platforms.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Condensation Nuclei Counter (CNC) is an in situ optical sensor produced by Droplet Measurement Technologies. It detects cloud condensation nuclei (CCN) by supersaturating the sampled air, allowing CCN particles to become detectable. The particles are then measured with an optical particle counter (OPC). CNC can detect particles from 0.75 to 10 μm in diameter and operates at a sampling rate of 1 Hz. It is suitable for both airborne and ground-based operations.
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Aerosols > Cloud Condensation Nuclei
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Condensation Nuclei
The Fourier Transformation Spectrometer (FTS) is a high-resolution spectrometer used both in airborne and ground-based applications. FTS measures the solar radiance reflected from the surface, which can be used to estimate levels of carbon monoxide (CO), carbon dioxide (CO2), and methane (CH4) in the atmosphere. It offers a spatial resolution of approximately 100m by 1000m and operates at a measurement frequency of 1 Hz during typical research flights.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
The Micropulse Lidar (MPL) is a ground-based lidar system used for cloud detection. It measures lidar backscatter at 532 nm to retrieve cloud properties such as cloud top and base height. It can also be used for the detection of aerosols. MPL has a vertical resolution of 15 m and a maximum range of 18 km. MPL can operate autonomously and typically provides 10-second averaged data.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Top Height
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
The Multi-Axis Differential Optical Absorption Spectrometer (MAX-DOAS) is a ground-based passive spectrometer. It measures scattered solar light at different elevations to identify trace gases in the troposphere. MAX-DOAS is designed to have low residual error in the ultraviolet and visible spectra, enabling detection in both clean and polluted environments. Typical MAX-DOAS instruments operate in the 300-700 nm spectral range with a spectral resolution of 0.4-1.5 nm depending on the target species.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Bromine Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
The Tandem Differential Mobility Analyzer (TDMA) is an in situ airborne and ground-based analyzer that measures the physical properties of aerosol particles, such as size distribution and concentration. It can measure particles in the size range of 0.013 to 0.75 mm with a size resolution of 0.013 mm at 0.2 mm. The TDMA is often combined with an Aerodynamic Particle Sizer (APS) to enable measurements of particles in the submicron range. A typical measurement sequence of TDMA takes approximately 45 minutes to complete.
Earth Science > Atmosphere > Aerosols > Aerosol Forward Scatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols > Cloud Condensation Nuclei
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Aerosols
The Multifilter Rotating Shadowband Radiometer (MFRSR) is a ground-based passive radiometer used to measure the global and diffuse components of solar irradiance. It measures solar irradiance across six narrowband channels and one broadband channel. The nominal wavelengths of the narrowband channels are 415, 500, 615, 673, 870, and 940 nm. MFRSR has a typical sampling interval of 20 seconds and takes measurements at four different shadowband positions: nadir, first side-band, sun-blocked, and second side-band. MFRSR is deployed across several of the Department of Energy’s Atmospheric Radiation Measurement (ARM) User Facility sites.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance > Shortwave Downward Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
GRAINEX
Great Plains Irrigation Experiment
2018
Southeastern Nebraska
view all deployment dates
1 Deployment
· 0 Data Products| 2018-05-29 | 2018-07-30 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Radio Acoustic Sounding System (RASS) is an active ground-based acoustic sounder that provides profiles of virtual temperature. It uses radar techniques to measure acoustic disturbances and derive the virtual temperature. RASS is typically used alongside radar wind profilers (RWPs) and operates at frequencies of 915 MHz and 1290 MHz. It has a sampling rate of approximately 5 to 15 minutes, a vertical resolution of 150 m, and a horizontal resolution of 60 m.
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Boundary Layer Temperature
Earth Science > Atmosphere > Atmospheric Pressure > Planetary Boundary Layer Height
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Virtual Temperature
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Eddy Covariance Flux Towers are in situ micrometeorological surface towers. They are equipped with gas sensors to continuously measure the trace gas fluxes between the land surface and the atmosphere. Eddy Covariance Towers are typically used to measure fluxes for carbon dioxide (CO2), methane (CH4), and water vapor (H2O). These towers are also equipped with various meteorological sensors to measure air temperature, precipitation, winds, radiation, and soil temperature.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
Earth Science > Atmosphere > Atmospheric Winds
Earth Science > Atmosphere > Precipitation
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
TRACE
Transport and Atmospheric Chemistry near the Equator
1992—2001
Brazil, Southern Africa, Tropical Atlantic, Central & Western Regions of the Pacific Ocean Basin
view all deployment dates
2 Deployments
· 25 Data Products| 1992-09-02 | 1992-10-26 |
| 2001-02-24 | 2001-04-15 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
FireSense
2023—2027
Western United States, Southeastern United States, California, Montana, Arizona, Utah, Colorado, Alabama, Florida, Georgia, Mississippi, Texas, Oklahoma
Ongoing
view all deployment dates
3 Deployments
· 1 Data Product| 2024-10-01 | 2024-12-01 |
| 2025-03-17 | 2025-04-20 |
| 2023-09-14 | 2023-10-31 |
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
CARES
Carbonaceous Aerosol and Radiative Effects Study
2010
Central Valley, California
view all deployment dates
1 Deployment
· 0 Data Products| 2010-06-01 | 2010-06-28 |
The Aero-Laser VUV Resonance Fluorescence Carbon Monoxide Analyzer (Aero-Laser VUV) is an in situ, airborne instrument made by Aero-Laser. It detects carbon monoxide (CO) concentrations using resonance fluorescence. The Aero-Laser VUV operates around a wavelength of 150 nm and typically provides a temporal resolution of 1 second. It has a detection range from 2 ppbv to 10 ppmv and an accuracy of approximately 3%.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry
The Sound Detection and Ranging (SODAR) is an active ground-based acoustic sensor that measures atmospheric winds and turbulence. It sends acoustic energy into the atmosphere and detects the strength and frequency of the backscattered energy. The backscattered signal can be used to determine the horizontal wind field, assuming the scattered energy moves with the mean wind. SODARs are frequently used in boundary layer studies to measure turbulence and wind profiles.
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Horizontal Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Vertical Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
Earth Science > Atmosphere > Atmospheric Winds
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Condensation Particle Counters (CPCs) are in situ sensors that measure aerosol particle concentrations. CPCs determine aerosol levels by condensing fluid onto particles, causing them to grow to sizes detectable by optical scattering. Typically, CPCs can detect particles ranging from 7 nm to 3 μm, measure concentrations up to 100,000 particles per cubic centimeter, and provide readings every second. CPCs are manufactured by TSI Incorporated and can be used on airborne, shipborne, and ground-based platforms.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Particle Into Liquid Sampler (PILS) is an in situ aerosol sampler manufactured by Brechtel Manufacturing Inc. PILS can be used by both ground-based and airborne platforms to gather continuous data on ambient aerosol bulk composition. The particles collected by PILS are mixed with saturated water vapor to form droplets that are analyzed by either an ion chromatograph (IC) or a total organic carbon detector (TOC). PILS can detect aerosol particles ranging from 70 nm to 2.5 μm in size and offers a time resolution of 3 minutes for airborne measurements and 15 minutes for ground-based measurements.
Earth Science > Atmosphere > Aerosols > Sulfate Particles
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Organic Particles
Earth Science > Atmosphere > Aerosols > Nitrate Particles
Earth Science > Atmosphere > Aerosols > Particulate Matter
Earth Science > Atmosphere > Aerosols > Chemical Composition
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
The Particle Soot Absorption Photometer (PSAP) is an in situ airborne photometer manufactured by Radiance Research. It applies Beer's Law to measure the change in light transmission of aerosol particles. These measurements help determine aerosol absorption and extinction. PSAP operates across three wavelengths (467, 530, and 660 nm) and has a 1-second time resolution. It is usually deployed on aircraft, but it can also be used on ships and vehicles.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Gas Chromatography/Mass Spectrometry (GC-MS) is an in situ measurement technique used to analyze volatile organic compounds (VOCs) in the atmosphere. It employs gas chromatography to separate components of an air sample, and mass spectrometry to ionize, identify, and quantify gas species. GC-MS is utilized to detect VOCs, halocarbons, hydrocarbons, and various other pollutants. It can be used for ground-based or airborne operations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Non-methane Hydrocarbons/volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Halocarbons
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Proton Transfer Mass Spectrometer (PTR-MS) is an in situ spectrometer used both on aircraft and ground, developed by the University of Innsbruck in Austria. It detects volatile organic compounds (VOCs) without the need for sample preparation at very low concentrations. PTR-MS employs chemical ionization mass spectrometry, enabling quick and highly sensitive VOC detection. It has a signal integration time ranging from 0.5 to 1 second.
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Methanol
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
The Scanning Mobility Particle Sizer (SMPS) is an in situ aerosol sensor that can be operated on airborne or ground-based platforms, manufactured by TSI Incorporated. SMPS uses a differential mobility analyzer (DMA) to measure the electrical mobility diameter of aerosol particles, which helps determine the size distribution. It also counts the number of aerosol particles using a condensation particle counter (CPC). It detects particles in the size range of 10-1000 nm and typically takes about 10 seconds to complete each scan.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Picarro gas concentration analyzer is an in situ airborne or ground-based sensor manufactured by Picarro, Inc. It uses Wavelength-Scanned Cavity Ring Spectroscopy (WS-CRDS) to measure trace gases such as carbon dioxide, carbon monoxide, methane, and water vapor. For carbon dioxide measurements, the laser within Picarro operates at 1603 nm wavelength, while 1651 nm wavelength is used for methane and water vapor measurements. Picarro has a typical sampling time of 2.5 seconds. Depending on the model, Picarro can also provide measurements of carbon isotopes for gas concentrations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
The Aethalometer is an in situ aerosol measuring device made by Magee Scientific. It can be used on both airborne and ground-based platforms. It collects aerosols through a filter tape and gauges the attenuation of transmitted light to assess black carbon particle levels. The Aethalometer works across seven optical wavelengths (370, 470, 520, 590, 660, 880, and 950 nm) and delivers data at a rate of 1 Hz. It has a measurement range of 0-500 μg per cubic meter and a resolution of 0.1 μg per cubic meter.
Earth Science > Atmosphere > Aerosols > Carbonaceous Aerosols
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Particle Analysis by Laser Mass Spectrometry (PALMS) is a laser ionization mass spectrometer operated by NOAA. PALMS provides in situ measurements of aerosol particles and their chemical composition by using a UV laser pulse (193 nm) to generate ions. These ions are then analyzed with a time-of-flight mass spectrometer to produce the mass spectrum of each particle, which can be used to classify individual aerosol particles. PALMS has an aerosol size range of 0.2 to 3 microns and typically collects data at about 1 to 10 Hz. It can be used for either airborne or laboratory aerosol measurements.
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols
The Single Particle Soot Photometer (SP2) is an in situ laser-induced photometer developed by Droplet Measurement Technologies. SP2 measures the black carbon (BC) mass in individual aerosol particles, along with their optical and physical properties that contain BC. The device detects aerosol particles with diameters of 200-400 nm and can analyze up to 25,000 particles per second. It operates at a sampling rate of 1 Hz and uses a wavelength of 1.06 μm. It can be used on airborne or ground-based platforms and paired with a Humidified-Dual SP2 (HD-SP2).
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Carbonaceous Aerosols
The Time-Resolved Aerosol Collector (TRAC) is an airborne aerosol sampler developed by the Environmental Molecular Sciences Laboratory (EMSL) at the Pacific Northwest National Laboratory (PNNL). It collects atmospheric samples and deposits aerosol particles onto individual carbon films for laboratory-based Computer Controlled Scanning Electron Microscopy/Energy Dispersed X-ray (CCSEM/EDX) single-particle analysis. It gathers samples at sequential time intervals as short as 1 minute. Purdue University operates an upgraded version of TRAC as part of its Airborne Laboratory for Atmospheric Research (ALAR) aircraft.
Earth Science > Atmosphere > Aerosols
The Single Particle Laser Ablation Time of Flight Mass Spectrometer (SPLAT II) is the second-generation airborne mass spectrometer developed by the Pacific Northwest National Laboratory (PNNL). It measures the size, number, and concentration of aerosol particles with sizes ranging from 125 nm to 600 nm in real time. It has a sampling rate of 500 particles per second and records up to 100 individual particle mass spectra per second. SPLAT II has a precision better than 0.5%, enabling the measurement of the density of spherical particles and the effective density of aspherical particles.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Aerodynamic Particle Sizer (APS) is an in situ spectrometer manufactured by TSI Instruments. APS measures aerodynamic particles in the 0.5-20 μm size range. It also measures the light-scattering intensity of the particles in the 0.37-20 μm optical size range. APS provides particle size distributions for 52 channels at a typical sampling time of 1 second. It uses a laser diode operating at 655 nm and has a size resolution of 0.02 μm at 1 μm. APS can be deployed on aircraft, ships, or ground-based platforms.
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Condensation Nuclei Counter (CNC) is an in situ optical sensor produced by Droplet Measurement Technologies. It detects cloud condensation nuclei (CCN) by supersaturating the sampled air, allowing CCN particles to become detectable. The particles are then measured with an optical particle counter (OPC). CNC can detect particles from 0.75 to 10 μm in diameter and operates at a sampling rate of 1 Hz. It is suitable for both airborne and ground-based operations.
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Aerosols > Cloud Condensation Nuclei
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Condensation Nuclei
NOx/NOxy is an in situ chemiluminescence instrument that measures nitrogen oxides and ozone in the atmosphere. It offers a spatial resolution better than 100 meters at typical DC-8 research flight speeds. NOx/NOxy can be used on ground-based, airborne, and shipborne platforms, enabling it to support various atmospheric chemistry and air quality studies.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Oxides
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Nitrogen Oxides
The High Resolution Aerosol Mass Spectrometer (HR-AMS) is an in situ airborne mass spectrometer designed to detect aerosol composition and chemistry. It is a modified version of the Aerodyne Aerosol Mass Spectrometer developed by the University of Colorado. It measures the mass concentrations of aerosol particles ranging from 50 nm to 1 μm. HR-AMS detects aerosol composition through impaction at 600 °C, followed by electron ionization and mass spectral analysis. It has a measurement sampling rate of 1 Hz.
Earth Science > Atmosphere > Aerosols > Sulfate Particles
Earth Science > Atmosphere > Aerosols > Organic Particles
Earth Science > Atmosphere > Aerosols > Nitrate Particles
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols
The Multi-Axis Differential Optical Absorption Spectrometer (MAX-DOAS) is a ground-based passive spectrometer. It measures scattered solar light at different elevations to identify trace gases in the troposphere. MAX-DOAS is designed to have low residual error in the ultraviolet and visible spectra, enabling detection in both clean and polluted environments. Typical MAX-DOAS instruments operate in the 300-700 nm spectral range with a spectral resolution of 0.4-1.5 nm depending on the target species.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Bromine Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Nephelometers are in situ optical sensors that can be airborne or ground-based. They measure the total scattering and backscattering of aerosol particles in the atmosphere. Nephelometers operate at three wavelengths: 450 nm, 550 nm, and 700 nm, with a typical time resolution of 1 Hz.
Earth Science > Atmosphere > Aerosols > Aerosol Forward Scatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Spectrometers are instruments used to separate and analyze the spectral components of a substance. They usually measure the electromagnetic radiation that has been reflected, absorbed, or transmitted by the physical sample. Spectrometers can operate across the ultraviolet to infrared spectrum. The most common types include optical, nuclear magnetic resonance, and mass spectrometers. They can be used on aircraft, research vessels, vehicles, and other ground-based platforms.
Earth Science > Spectral/engineering > Infrared Wavelengths
Earth Science > Spectral/engineering > Ultraviolet Wavelengths
Earth Science > Spectral/engineering > Visible Wavelengths
Thermo Scientific Gas Analyzers are in situ gas analyzers manufactured by ThermoFisher Scientific. They provide precise measurements of various trace gases such as ozone, carbon dioxide, carbon monoxide, and sulfur dioxide. Thermo Scientific Gas Analyzers can be deployed on aircraft, research vessels, and ground-based platforms.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
The Multifilter Rotating Shadowband Radiometer (MFRSR) is a ground-based passive radiometer used to measure the global and diffuse components of solar irradiance. It measures solar irradiance across six narrowband channels and one broadband channel. The nominal wavelengths of the narrowband channels are 415, 500, 615, 673, 870, and 940 nm. MFRSR has a typical sampling interval of 20 seconds and takes measurements at four different shadowband positions: nadir, first side-band, sun-blocked, and second side-band. MFRSR is deployed across several of the Department of Energy’s Atmospheric Radiation Measurement (ARM) User Facility sites.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance > Shortwave Downward Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
First International Satellite Land Surface Climatology Project (ISLSCP) Field Experiment
1987—1989
Central Kansas
view all deployment dates
2 Deployments
· 115 Data Products| 1987-05-26 | 1987-10-16 |
| 1989-07-24 | 1989-08-12 |
Soil temperature sensors are in situ ground-based sensors used to measure and monitor soil temperature. They measure soil temperature by using thermistors or thermocouples to detect changes in resistance to calculate the temperature. Soil temperature sensors are used for agricultural purposes, environmental monitoring, and ecological research.
Earth Science > Agriculture > Soils
Earth Science > Climate Indicators > Land Surface/agriculture Indicators > Soil Temperature
Earth Science > Land Surface > Frozen Ground > Soil Temperature
Earth Science > Agriculture > Soils > Soil Temperature
Earth Science > Land Surface > Soils
Earth Science > Cryosphere > Frozen Ground > Soil Temperature
Earth Science > Land Surface > Soils > Soil Temperature
A pyrgeometer is a ground-based or airborne passive radiation sensor. It measures downward and upward longwave radiation in the 4-50 μm spectral range. Pyrgeometers measure changes in resistance/voltage using a thermopile sensor to determine longwave radiation. These measurements can be used to calculate the infrared radiation flux. Pyrgeometers are typically used for climatological, meteorological, and agricultural applications.
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Sunphotometers are passive optical sensors that measure the amount of sunlight. They are pointed directly at the sun to measure direct sunlight and not sunlight scatter from aerosols. These measurements can be used to determine the aerosol optical depth by following Beer’s Law. Sunphotometers have been deployed on aircraft, research vessels, and field sites for aerosol research and monitoring.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Radiation > Sunshine
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
The Sound Detection and Ranging (SODAR) is an active ground-based acoustic sensor that measures atmospheric winds and turbulence. It sends acoustic energy into the atmosphere and detects the strength and frequency of the backscattered energy. The backscattered signal can be used to determine the horizontal wind field, assuming the scattered energy moves with the mean wind. SODARs are frequently used in boundary layer studies to measure turbulence and wind profiles.
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Horizontal Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Vertical Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
Earth Science > Atmosphere > Atmospheric Winds
A pyranometer is a ground-based or airborne radiation sensor that measures solar irradiance across a hemispherical field of view. It detects the amount of solar energy reaching the surface, capturing both direct and diffuse sunlight. Pyranometers operate within a spectral range of 280-3000 nm. They are most commonly used for solar monitoring, climate research, weather forecasting, agriculture, and energy management.
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation > Solar Radiation
Earth Science > Atmosphere > Atmospheric Radiation
The Volume Imaging Lidar (VIL) is a ground-based lidar system operated by the University of Wisconsin. It is an elastic backscatter lidar that operates at the 1064 nm wavelength. It provides aerosol backscatter profiles with a range resolution of 7.5 m or 15 m. VIL has a maximum range of 18 km and a repetition rate of 30 Hz. The Naval Research Laboratory (NRL) also operates its own VIL with similar specifications.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Eddy Covariance Flux Towers are in situ micrometeorological surface towers. They are equipped with gas sensors to continuously measure the trace gas fluxes between the land surface and the atmosphere. Eddy Covariance Towers are typically used to measure fluxes for carbon dioxide (CO2), methane (CH4), and water vapor (H2O). These towers are also equipped with various meteorological sensors to measure air temperature, precipitation, winds, radiation, and soil temperature.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
Earth Science > Atmosphere > Atmospheric Winds
Earth Science > Atmosphere > Precipitation
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
Digital cameras are used to provide imagery for research applications. Cameras are used on aircraft to collect aerial imagery for mapping and surveying, environmental monitoring, cloud observations, agriculture, geological studies, and other Earth science applications. They are also used at field sites to capture visual observations to monitor changes in land cover, vegetation, clouds, air quality, glaciers, and other phenomena.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
The LI-COR Quantum Sensor is a ground-based, in situ radiation sensor manufactured by LI-COR. It collects precise photosynthetically active radiation (PAR) measurements beneath vegetation or under artificial light sources. The sensor detects radiation within the same light spectrum (400 - 700 nm) that plants use for photosynthesis. While primarily used for ground-based measurements, the LI-COR Quantum Sensor can also be mounted on aircraft. It is suitable for long-term deployments and remains durable in high temperatures and humidity conditions.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Biosphere > Vegetation
The Spectron Engineering-590 (SE-590) Spectroradiometer is a portable spectroradiometer manufactured by Spectron Engineering. It can be used on both airborne and ground-based platforms. SE-590 uses a charge-coupled device (CCD) area array detector to measure reflectance. It operates across the visible to short-wave infrared spectral range (350-2500 nm). The SE-590 has a ground resolution of 4.5 meters when flown at an altitude of 300 meters.
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
LI-COR Gas Analyzer is an in situ gas analyzer manufactured by LI-COR. They can be deployed on aircraft, research vessels, vehicles, balloons, and ground-based platforms. They provide measurements of various trace gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor (H2O). Most models use Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to collect measurements. LI-COR gas analyzers have a typical measurement rate of 1 Hz and an operating temperature range of -25 to 45 degrees Celsius.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
The Lyman-alpha Hygrometer is an in situ hygrometer designed for deployment on airborne or ground-based platforms. It measures water vapor absorption at the Lyman-alpha wavelength (121.6 nm) of atomic hydrogen to determine the total water content in the atmosphere. It has a detection limit of 0.1 ppmv and a typical data acquisition rate of 1 second. The Lyman-alpha hygrometer provides water vapor measurements with an accuracy of 6% and a precision of 5%.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles > Water Vapor Mixing Ratio Profiles
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Atmospheric Water Vapor
Soil moisture probes are in situ ground-based sensors that measure soil water content. The most common type of soil moisture probes used for scientific research use dielectric permittivity techniques, such as capacitance or time-domain reflectometry sensors. These types of probes measure the charge-storage capacity of the soil to determine the soil moisture content. They typically operate at frequencies around 50 MHz and above to reduce sensitivity to salinity. Soil moisture probes provide continuous measurements and are relatively easy to deploy.
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
Earth Science > Land Surface > Soils > Soil Salinity/soil Sodicity
Earth Science > Land Surface > Soils
Earth Science > Agriculture > Soils > Soil Moisture/water Content
Infrared Thermometers (IRTs) are ground-based pyrometers that measure the brightness temperature of a scene within their field of view. They determine brightness temperature by detecting electromagnetic radiation emitted by Earth’s surface. These measurements are used to find either the surface skin temperature or the sea surface temperature, depending on whether the platform is on land or water. IRTs typically operate within the 8- to 14-μm wavelength range.
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Skin Temperature
Rain gauges are ground-based instruments that measure liquid precipitation amounts directly over a specified period. Different rain gauges, such as tipping buckets and weighing gauges, collect and record data in various ways. Because of their small size and easy setup, rain gauges can be placed in different locations and are often used alongside other precipitation instruments like disdrometers to gather more details, such as precipitation rate and size distribution.
Earth Science > Atmosphere > Precipitation > Liquid Precipitation
Earth Science > Atmosphere > Precipitation > Precipitation Amount
Earth Science > Atmosphere > Precipitation
The Modular Multiband Radiometer (MMR) is an airborne multispectral radiometer manufactured by Barnes Engineering Company. MMR measures radiance across 8 spectral bands in the infrared and visible wavelengths (0.4-12.5 μm) to produce images of vegetation and other surface features. At an altitude of 300 meters, the MMR has an instantaneous field of view (IFOV) of about 79 meters and a 15-degree field of view (FOV). It is typically deployed on small aircraft like helicopters but can also be used on ground-based platforms.
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Imagery
Earth Science > Spectral/engineering > Visible Wavelengths > Visible Radiance
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Radiance
Earth Science > Land Surface > Surface Radiative Properties > Reflectance
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Imagery
Stream gauges are ground-based sensors that measure the water level or stage of rivers and streams at specific locations. The flow or discharge of a river can then be calculated from these stage measurements. These gauges can provide continuous data, making them useful for monitoring flood risk and water supply. The United States Geological Survey (USGS) operates a network of over 10,000 stream gauges across the United States to assist with flood prediction and water resource management.
Earth Science > Biosphere > Ecosystems > Freshwater Ecosystems > Rivers/stream
Earth Science > Terrestrial Hydrosphere > Surface Water > Surface Water Processes/measurements > Stage Height
The NOAA/WPL Pulsed Coherent Doppler Lidar is a ground-based lidar system developed by the NOAA Wave Propagation Laboratory (WPL). It measures radial velocity as a function of range using light-scattering particles in the air as tracers to derive wind profiles and momentum fluxes. It operates at a wavelength of 10.59 μm and has a pulse repetition rate from 1 to 20 Hz. It provides velocity azimuth display (VAD) scans, range height indication (RHI), and volume or roster scans at a range resolution of 150 meters.
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
The Portable Apparatus for Rapid Acquisition of Bidirectional Observations of the Land and Atmosphere (PARABOLA) is a passive ground-based sphere scanning radiometer. It measures surface reflectance across eight spectral channels. The first four channels (444, 551, 650, and 860 nm) coincide with spectral bands from the Multi-angle Imaging SpectroRadiometer (MISR) on the Terra satellite for validation purposes. The last four channels are used for the characterization of water vapor (944 nm), aerosol optical depth at longer wavelengths (1028 and 1650 nm), and measurements of photosynthetically active radiation (400-700 nm). The measurements from PARABOLA can be used to derive the surface bidirectional reflectance factor and sky and surface radiances. A complete scan of both sky and ground hemispheres takes approximately 3 minutes.
Earth Science > Biosphere > Vegetation > Photosynthetically Active Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
CalNex
California Research at the Nexus of Air Quality and Climate Change
2010
California
view all deployment dates
1 Deployment
· 0 Data Products| 2010-05-01 | 2010-07-22 |
The Indiana University Fluorescence Assay by Gas Expansion (IU-FAGE) is a ground-based sensor used to measure tropospheric hydroxyl (OH) and hydroperoxy (HO2) radicals. It detects OH radicals at 308 nm through laser-induced fluorescence (LIF) after ambient air is expanded to low pressure. IU-FAGE measures HO2 indirectly as OH by titration with nitric oxide (NO) inside the fluorescence cell. It can detect both OH and HO2 with a signal-to-noise ratio of 1 and an averaging time of 5 minutes.
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds > Hydroxyl
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds > Hydroperoxy
The NOAA Chemical Ionization Mass Spectrometer (NOAA-CIMS) is an in situ airborne spectrometer developed by NOAA. It was designed to provide high-precision measurements of reactive nitrogen and halogen species such as nitric acid, nitric oxide, and bromine chloride in the upper atmosphere. It can also provide measurements of ozone and water vapor concentrations. NOAA-CIMS has a detection limit of 30 pptv and a temporal resolution of 1 second.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Acid
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Chlorine Nitrate
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Bromine Monoxide
The Aerosol Mass Spectrometer (AMS) is an in situ spectrometer developed by Aerodyne Research. It employs quadrupole mass spectrometry to measure aerosol chemical composition and properties. It can detect particles ranging from 40 nm to 1 micron in size and has a time resolution of up to 10 Hz. It can be installed on aircraft, research vessels, mobile laboratories, or other ground-based platforms.
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Condensation Particle Counters (CPCs) are in situ sensors that measure aerosol particle concentrations. CPCs determine aerosol levels by condensing fluid onto particles, causing them to grow to sizes detectable by optical scattering. Typically, CPCs can detect particles ranging from 7 nm to 3 μm, measure concentrations up to 100,000 particles per cubic centimeter, and provide readings every second. CPCs are manufactured by TSI Incorporated and can be used on airborne, shipborne, and ground-based platforms.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Particle Into Liquid Sampler (PILS) is an in situ aerosol sampler manufactured by Brechtel Manufacturing Inc. PILS can be used by both ground-based and airborne platforms to gather continuous data on ambient aerosol bulk composition. The particles collected by PILS are mixed with saturated water vapor to form droplets that are analyzed by either an ion chromatograph (IC) or a total organic carbon detector (TOC). PILS can detect aerosol particles ranging from 70 nm to 2.5 μm in size and offers a time resolution of 3 minutes for airborne measurements and 15 minutes for ground-based measurements.
Earth Science > Atmosphere > Aerosols > Sulfate Particles
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Organic Particles
Earth Science > Atmosphere > Aerosols > Nitrate Particles
Earth Science > Atmosphere > Aerosols > Particulate Matter
Earth Science > Atmosphere > Aerosols > Chemical Composition
The Particle Soot Absorption Photometer (PSAP) is an in situ airborne photometer manufactured by Radiance Research. It applies Beer's Law to measure the change in light transmission of aerosol particles. These measurements help determine aerosol absorption and extinction. PSAP operates across three wavelengths (467, 530, and 660 nm) and has a 1-second time resolution. It is usually deployed on aircraft, but it can also be used on ships and vehicles.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Gas Chromatography/Mass Spectrometry (GC-MS) is an in situ measurement technique used to analyze volatile organic compounds (VOCs) in the atmosphere. It employs gas chromatography to separate components of an air sample, and mass spectrometry to ionize, identify, and quantify gas species. GC-MS is utilized to detect VOCs, halocarbons, hydrocarbons, and various other pollutants. It can be used for ground-based or airborne operations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Non-methane Hydrocarbons/volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Halocarbons
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Proton Transfer Mass Spectrometer (PTR-MS) is an in situ spectrometer used both on aircraft and ground, developed by the University of Innsbruck in Austria. It detects volatile organic compounds (VOCs) without the need for sample preparation at very low concentrations. PTR-MS employs chemical ionization mass spectrometry, enabling quick and highly sensitive VOC detection. It has a signal integration time ranging from 0.5 to 1 second.
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Methanol
Generic-Radiometers refer to non-specific radiometers on a platform. These are typically passive microwave radiometers that measure brightness temperature. Radiometers can be used to retrieve temperature and water vapor profiles, soil moisture content, ocean salinity, precipitation and cloud properties, and vegetation.
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Eddy Covariance Flux Towers are in situ micrometeorological surface towers. They are equipped with gas sensors to continuously measure the trace gas fluxes between the land surface and the atmosphere. Eddy Covariance Towers are typically used to measure fluxes for carbon dioxide (CO2), methane (CH4), and water vapor (H2O). These towers are also equipped with various meteorological sensors to measure air temperature, precipitation, winds, radiation, and soil temperature.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Longwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Shortwave Radiation
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity > Relative Humidity
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds
Earth Science > Atmosphere > Atmospheric Winds
Earth Science > Atmosphere > Precipitation
Earth Science > Land Surface > Soils > Soil Moisture/water Content
Earth Science > Land Surface > Soils > Soil Temperature
The Quantum Cascade Laser System (QCLS) is an airborne and ground-based in situ spectrometer system developed by Harvard University and Aerodyne Research. QCLS includes two instruments: the Harvard QCL DUAL instrument and the Harvard QCL CO2 instrument. The QCL DUAL uses two thermoelectrically cooled QCL light sources to measure carbon monoxide (CO) at 4.59 microns, as well as methane (CH4) and nitrous oxide (N2O) at 7.87 microns. The QCL CO2 instrument employs a single QCL light source to measure carbon dioxide (CO2) concentrations at 4.32 microns. QCLS operates at a measurement frequency of 1 Hz.
Earth Science > Atmosphere > Air Quality > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Earth Science > Atmosphere > Atmospheric Chemistry
The Scanning Mobility Particle Sizer (SMPS) is an in situ aerosol sensor that can be operated on airborne or ground-based platforms, manufactured by TSI Incorporated. SMPS uses a differential mobility analyzer (DMA) to measure the electrical mobility diameter of aerosol particles, which helps determine the size distribution. It also counts the number of aerosol particles using a condensation particle counter (CPC). It detects particles in the size range of 10-1000 nm and typically takes about 10 seconds to complete each scan.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Tunable Infrared Laser Direct Absorption Spectrometer (TILDAS) is an in situ spectrometer developed by Aerodyne Research. It measures gas concentrations by determining how much light the species absorbs at a specific wavelength. TILDAS is used to detect various trace gases, including methane, nitrous oxide, nitrogen dioxide, carbon monoxide, carbon dioxide, formaldehyde, and ammonia. The laser operates within the mid-infrared spectrum and is tuned to a specific wavelength based on the target species. It provides measurements at a data rate of up to 10 Hz. TILDAS can be deployed on aircraft, ships, trucks, and other ground-based platforms.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Carbonyl Sulfide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
The Optical Particle Counter (OPC) is an optical device used to measure aerosol particle size and concentration. It determines particle size and concentration by detecting the intensity of scattered light. Most OPCs operate within the visible to near-infrared wavelengths (500-1100 nm) and have a time resolution of 1 second. They are typically used to measure particles larger than 0.5 μm in diameter. OPCs can be used for both airborne and ground-based applications.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
The Picarro gas concentration analyzer is an in situ airborne or ground-based sensor manufactured by Picarro, Inc. It uses Wavelength-Scanned Cavity Ring Spectroscopy (WS-CRDS) to measure trace gases such as carbon dioxide, carbon monoxide, methane, and water vapor. For carbon dioxide measurements, the laser within Picarro operates at 1603 nm wavelength, while 1651 nm wavelength is used for methane and water vapor measurements. Picarro has a typical sampling time of 2.5 seconds. Depending on the model, Picarro can also provide measurements of carbon isotopes for gas concentrations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
The Aethalometer is an in situ aerosol measuring device made by Magee Scientific. It can be used on both airborne and ground-based platforms. It collects aerosols through a filter tape and gauges the attenuation of transmitted light to assess black carbon particle levels. The Aethalometer works across seven optical wavelengths (370, 470, 520, 590, 660, 880, and 950 nm) and delivers data at a rate of 1 Hz. It has a measurement range of 0-500 μg per cubic meter and a resolution of 0.1 μg per cubic meter.
Earth Science > Atmosphere > Aerosols > Carbonaceous Aerosols
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Ultra-High Sensitivity Aerosol Spectrometer (UHSAS) is an in situ spectrometer developed by Droplet Measurement Technologies. It can be used on both airborne and ground-based platforms to measure aerosol size distribution and concentration. UHSAS determines particle size by detecting the peak light signals from aerosol particles illuminated by a 1054 nm laser. It can sample particles in the 60–1000 nm size range and operates at a sampling frequency of 10 Hz.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Particle Analysis by Laser Mass Spectrometry (PALMS) is a laser ionization mass spectrometer operated by NOAA. PALMS provides in situ measurements of aerosol particles and their chemical composition by using a UV laser pulse (193 nm) to generate ions. These ions are then analyzed with a time-of-flight mass spectrometer to produce the mass spectrum of each particle, which can be used to classify individual aerosol particles. PALMS has an aerosol size range of 0.2 to 3 microns and typically collects data at about 1 to 10 Hz. It can be used for either airborne or laboratory aerosol measurements.
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols
The Single Particle Soot Photometer (SP2) is an in situ laser-induced photometer developed by Droplet Measurement Technologies. SP2 measures the black carbon (BC) mass in individual aerosol particles, along with their optical and physical properties that contain BC. The device detects aerosol particles with diameters of 200-400 nm and can analyze up to 25,000 particles per second. It operates at a sampling rate of 1 Hz and uses a wavelength of 1.06 μm. It can be used on airborne or ground-based platforms and paired with a Humidified-Dual SP2 (HD-SP2).
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Carbonaceous Aerosols
The Whole Air Sampler (WAS) is an airborne in-situ instrument that collects air samples for analyzing trace gases, such as nonmethane hydrocarbons (NMHCs), halocarbons, alkyl nitrates, and various sulfur compounds found in the troposphere. Air samples collected by the WAS are then analyzed using gas chromatography and mass spectrometry to identify the gases present. The WAS collects samples every minute, allowing scientists to get a clear picture of the environment's chemical composition as research aircraft pass through.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Non-methane Hydrocarbons/volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Dimethyl Sulfide
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Halocarbons
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Carbonyl Sulfide
Earth Science > Atmosphere > Aerosols > Nitrate Particles
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
The Fourier Transformation Spectrometer (FTS) is a high-resolution spectrometer used both in airborne and ground-based applications. FTS measures the solar radiance reflected from the surface, which can be used to estimate levels of carbon monoxide (CO), carbon dioxide (CO2), and methane (CH4) in the atmosphere. It offers a spatial resolution of approximately 100m by 1000m and operates at a measurement frequency of 1 Hz during typical research flights.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Radiation > Solar Irradiance
Earth Science > Atmosphere > Atmospheric Radiation
The High-Performance Liquid Chromatograph (HPLC) is an in situ ground-based analyzer used to separate and identify components in a sample of air or a mixture. It works by injecting a liquid into the sample, causing different flow rates for each component as they pass through the column. As each component exits the column, their concentrations are measured at a high resolution. In Earth science research, HPLC is commonly used to detect various trace species in the atmosphere, such as formaldehyde, hydrogen peroxide, and volatile organic compounds (VOCs). Although primarily used for laboratory analysis and ground-based measurements, it can also be employed for airborne measurements.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Hydrogen Compounds > Hydroperoxy
The USFS Scanning Lidar is a ground-based lidar system operated by the United States Forest Service (USFS). It measures vertically resolved backscatter to determine aerosol and cloud optical properties. It functions at three wavelengths: 355, 532, and 1064 nm. It averages 1800 pulses every 30 minutes and has an operational range of 1 to 20 km. Its primary purpose is to monitor the atmospheric properties of smoke plumes.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols
Earth Science > Spectral/engineering > Lidar
NOx/NOxy is an in situ chemiluminescence instrument that measures nitrogen oxides and ozone in the atmosphere. It offers a spatial resolution better than 100 meters at typical DC-8 research flight speeds. NOx/NOxy can be used on ground-based, airborne, and shipborne platforms, enabling it to support various atmospheric chemistry and air quality studies.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Oxides
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Nitrogen Oxides
The High Resolution Aerosol Mass Spectrometer (HR-AMS) is an in situ airborne mass spectrometer designed to detect aerosol composition and chemistry. It is a modified version of the Aerodyne Aerosol Mass Spectrometer developed by the University of Colorado. It measures the mass concentrations of aerosol particles ranging from 50 nm to 1 μm. HR-AMS detects aerosol composition through impaction at 600 °C, followed by electron ionization and mass spectral analysis. It has a measurement sampling rate of 1 Hz.
Earth Science > Atmosphere > Aerosols > Sulfate Particles
Earth Science > Atmosphere > Aerosols > Organic Particles
Earth Science > Atmosphere > Aerosols > Nitrate Particles
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols
The Multi-Axis Differential Optical Absorption Spectrometer (MAX-DOAS) is a ground-based passive spectrometer. It measures scattered solar light at different elevations to identify trace gases in the troposphere. MAX-DOAS is designed to have low residual error in the ultraviolet and visible spectra, enabling detection in both clean and polluted environments. Typical MAX-DOAS instruments operate in the 300-700 nm spectral range with a spectral resolution of 0.4-1.5 nm depending on the target species.
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Bromine Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Differential Optical Absorption Spectroscopy (DOAS) is a passive spectrometer technique used to measure trace gas concentrations. It detects trace gases by measuring specific, narrow-band absorptions in the ultraviolet and visible light spectrum. DOAS is typically used to detect ozone (O3), nitrogen dioxide (NO2), formaldehyde (CH2O), and sulfur dioxide (SO2). It is suitable for both airborne and ground-based applications.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Oxides
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Bromine Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
The CalTech Chemical Ionization Mass Spectrometer (CIT-CIMS) is an in situ airborne single-mass spectrometer. CIT-CIMS uses CF3O-ion chemistry and compact time-of-flight and triple quadrupole spectrometers to measure specific atmospheric trace gases such as nitric acid, hydrogen peroxide, and sulfur dioxide. It was designed with rapid scan capabilities, enabling it to operate at a high temporal resolution (10 Hz) and detect a wide range of masses. CIT-CIMS is typically used for airborne observations but can also be employed for ground-based measurements.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Hydrogen Cyanide
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Acid
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
ACCP
Accelerated Canopy Chemistry Program
1992—1993
Harvard Forest, MA; Blackhawk Island, WI; Howland, ME; Gainesville, FL; Jasper Ridge, CA; Dunnigan, CA; Pleasant Grove, CA
view all deployment dates
1 Deployment
· 6 Data Products| 1992-06-02 | 1993-05-27 |
The LI-COR Plant Canopy Analyzer is an in situ analyzer manufactured by LI-COR for leaf area index (LAI) measurements. It measures diffuse sky radiation that passes through the canopy across five zenith angels to determine LAI and other canopy characteristics. It can be used for most sky conditions and canopy types, such as row crops, grasslands, isolated trees, and forests. The optical sensor within the Plant Canopy Analyzer has a wavelength range of 320-490 nm. It has a field of view of 148 degrees and an operating temperature range of -20 to 50 degrees Celsius.
Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)
Earth Science > Biosphere > Vegetation > Leaf Characteristics
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Biosphere > Vegetation > Canopy Characteristics
Earth Science > Biosphere > Vegetation
Earth Science > Biosphere > Vegetation > Leaf Characteristics > Leaf Area Index (lai)
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
The Stratospheric InfraRed Interferometer Spectrometer (SIRIS) was a balloon-borne passive spectrometer developed at NASA's Goddard Space Flight Center (GSFC). It measured thermal emissions within the 5-15 μm spectral range to improve understanding of ozone behavior in the stratosphere. It had a vertical resolution of 3 km and could reach a vertical coverage of up to 40 km. SIRIS featured a field of view of 0.5 degrees and a scan time of 76 seconds. While primarily used on balloon platforms, it occasionally operated on ground-based platforms.
Earth Science > Spectral/engineering > Infrared Wavelengths > Thermal Infrared
Earth Science > Spectral/engineering > Infrared Wavelengths > Infrared Radiance
The Spectron Engineering-590 (SE-590) Spectroradiometer is a portable spectroradiometer manufactured by Spectron Engineering. It can be used on both airborne and ground-based platforms. SE-590 uses a charge-coupled device (CCD) area array detector to measure reflectance. It operates across the visible to short-wave infrared spectral range (350-2500 nm). The SE-590 has a ground resolution of 4.5 meters when flown at an altitude of 300 meters.
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
Spectrophotometers are passive photometers that measure the light intensity of the sample solution as a function of the wavelength of the electromagnetic radiation. Spectrophotometers are typically used for ground-based or shipborne observations. They can operate either in the ultraviolet to visible (185-700 nm) spectral range or the infrared (700-15000 nm) range. They are typically used in vegetation studies, air pollution monitoring, and water and soil quality analysis.
Earth Science > Atmosphere > Atmospheric Radiation > Absorption
Earth Science > Atmosphere > Atmospheric Radiation
Earth Science > Atmosphere > Atmospheric Radiation > Transmittance
Earth Science > Atmosphere > Atmospheric Radiation > Reflectance
Korean United States - Air Quality
2016
South Korean peninsula, including surrounding seas
view all deployment dates
1 Deployment
· 20 Data Products| 2016-04-18 | 2016-06-19 |
Condensation Particle Counters (CPCs) are in situ sensors that measure aerosol particle concentrations. CPCs determine aerosol levels by condensing fluid onto particles, causing them to grow to sizes detectable by optical scattering. Typically, CPCs can detect particles ranging from 7 nm to 3 μm, measure concentrations up to 100,000 particles per cubic centimeter, and provide readings every second. CPCs are manufactured by TSI Incorporated and can be used on airborne, shipborne, and ground-based platforms.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Particle Into Liquid Sampler (PILS) is an in situ aerosol sampler manufactured by Brechtel Manufacturing Inc. PILS can be used by both ground-based and airborne platforms to gather continuous data on ambient aerosol bulk composition. The particles collected by PILS are mixed with saturated water vapor to form droplets that are analyzed by either an ion chromatograph (IC) or a total organic carbon detector (TOC). PILS can detect aerosol particles ranging from 70 nm to 2.5 μm in size and offers a time resolution of 3 minutes for airborne measurements and 15 minutes for ground-based measurements.
Earth Science > Atmosphere > Aerosols > Sulfate Particles
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Organic Particles
Earth Science > Atmosphere > Aerosols > Nitrate Particles
Earth Science > Atmosphere > Aerosols > Particulate Matter
Earth Science > Atmosphere > Aerosols > Chemical Composition
Gas Chromatography/Mass Spectrometry (GC-MS) is an in situ measurement technique used to analyze volatile organic compounds (VOCs) in the atmosphere. It employs gas chromatography to separate components of an air sample, and mass spectrometry to ionize, identify, and quantify gas species. GC-MS is utilized to detect VOCs, halocarbons, hydrocarbons, and various other pollutants. It can be used for ground-based or airborne operations.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Non-methane Hydrocarbons/volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Halocarbons
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Chemistry Related Sensors (Gen-Chemistry) refers to non-specific instruments on a platform used for atmospheric chemistry measurements. These are typically in situ analyzers that measure various chemical compounds such as trace gases, halocarbons, volatile organic compounds, nitrates, aerosols, and other chemical species. Measurements can include mixing ratio, composition, particle size, optical properties, and particle size distribution.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens
Earth Science > Atmosphere > Air Quality
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Proton Transfer Mass Spectrometer (PTR-MS) is an in situ spectrometer used both on aircraft and ground, developed by the University of Innsbruck in Austria. It detects volatile organic compounds (VOCs) without the need for sample preparation at very low concentrations. PTR-MS employs chemical ionization mass spectrometry, enabling quick and highly sensitive VOC detection. It has a signal integration time ranging from 0.5 to 1 second.
Earth Science > Atmosphere > Air Quality > Volatile Organic Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Methanol
The Scanning Mobility Particle Sizer (SMPS) is an in situ aerosol sensor that can be operated on airborne or ground-based platforms, manufactured by TSI Incorporated. SMPS uses a differential mobility analyzer (DMA) to measure the electrical mobility diameter of aerosol particles, which helps determine the size distribution. It also counts the number of aerosol particles using a condensation particle counter (CPC). It detects particles in the size range of 10-1000 nm and typically takes about 10 seconds to complete each scan.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Tunable Infrared Laser Direct Absorption Spectrometer (TILDAS) is an in situ spectrometer developed by Aerodyne Research. It measures gas concentrations by determining how much light the species absorbs at a specific wavelength. TILDAS is used to detect various trace gases, including methane, nitrous oxide, nitrogen dioxide, carbon monoxide, carbon dioxide, formaldehyde, and ammonia. The laser operates within the mid-infrared spectrum and is tuned to a specific wavelength based on the target species. It provides measurements at a data rate of up to 10 Hz. TILDAS can be deployed on aircraft, ships, trucks, and other ground-based platforms.
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Carbon Monoxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Methane
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Ammonia
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitric Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrous Oxide
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds
Earth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Carbonyl Sulfide
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry
The Multi-Angle Absorption Photometer (MAAP) is an in situ aerosol optical sensor developed by Thermo Scientific. It provides continuous measurements of black carbon concentrations and aerosol light absorption properties. It has multiple detectors that measure transmitted and scattered light simultaneously at scattering angles of 130 and 165 degrees. MAAP operates at a wavelength of 670 nm and has a typical time resolution of 2 minutes. It is part of the Langlely Aerosol Research Group Experiment (LARGE) instrument suite and can be used for ground-based and airborne operations.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Carbonaceous Aerosols
The Optical Particle Counter (OPC) is an optical device used to measure aerosol particle size and concentration. It determines particle size and concentration by detecting the intensity of scattered light. Most OPCs operate within the visible to near-infrared wavelengths (500-1100 nm) and have a time resolution of 1 second. They are typically used to measure particles larger than 0.5 μm in diameter. OPCs can be used for both airborne and ground-based applications.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Particle Size Distribution
The Aethalometer is an in situ aerosol measuring device made by Magee Scientific. It can be used on both airborne and ground-based platforms. It collects aerosols through a filter tape and gauges the attenuation of transmitted light to assess black carbon particle levels. The Aethalometer works across seven optical wavelengths (370, 470, 520, 590, 660, 880, and 950 nm) and delivers data at a rate of 1 Hz. It has a measurement range of 0-500 μg per cubic meter and a resolution of 0.1 μg per cubic meter.
Earth Science > Atmosphere > Aerosols > Carbonaceous Aerosols
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Single Particle Soot Photometer (SP2) is an in situ laser-induced photometer developed by Droplet Measurement Technologies. SP2 measures the black carbon (BC) mass in individual aerosol particles, along with their optical and physical properties that contain BC. The device detects aerosol particles with diameters of 200-400 nm and can analyze up to 25,000 particles per second. It operates at a sampling rate of 1 Hz and uses a wavelength of 1.06 μm. It can be used on airborne or ground-based platforms and paired with a Humidified-Dual SP2 (HD-SP2).
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Carbonaceous Aerosols
The Differential Absorption Lidar (DIAL) is an airborne lidar system developed at NASA’s Langley Research Center (LaRC). It uses four lasers to detect lidar backscatter and provide profile measurements of ozone and aerosols in the atmosphere. DIAL operates in the ultraviolet (289-300 nm) for ozone detection and in the visible (572-600 nm) and infrared (1064 nm) for aerosols. It has a horizontal spatial resolution of approximately 15 km and a measurement accuracy of 5 ppbv.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
The Quadrupole Aerosol Mass Spectrometer (Q-AMS) is an in situ mass spectrometer produced by Aerodyne Research. It is the quadrupole version of the AMS and is designed to provide real-time measurements of size-resolved aerosol, mass, and chemical composition. It can detect particles ranging from 30 to 1000 nm and typically has a time resolution of 5 minutes. Q-AMS can be used in laboratory, airborne, and field measurements.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
The Pandora Spectrometer System is a ground-based UV-VIS spectrometer designed to measure column amounts of trace gases in the atmosphere. It employs total optical absorption spectroscopy for retrievals of ozone, nitrogen dioxide, formaldehyde, and other trace gases. Pandora operates within the 280-525 nm spectral range at a resolution of 0.6 nm. It can perform both direct sun and all-sky radiance measurements, with an overall measurement time of 80 seconds. Pandora is part of a network of identical instruments called the Pandonia Global Network.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen Dioxide
Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Formaldehyde
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry
The High Resolution Aerosol Mass Spectrometer (HR-AMS) is an in situ airborne mass spectrometer designed to detect aerosol composition and chemistry. It is a modified version of the Aerodyne Aerosol Mass Spectrometer developed by the University of Colorado. It measures the mass concentrations of aerosol particles ranging from 50 nm to 1 μm. HR-AMS detects aerosol composition through impaction at 600 °C, followed by electron ionization and mass spectral analysis. It has a measurement sampling rate of 1 Hz.
Earth Science > Atmosphere > Aerosols > Sulfate Particles
Earth Science > Atmosphere > Aerosols > Organic Particles
Earth Science > Atmosphere > Aerosols > Nitrate Particles
Earth Science > Atmosphere > Aerosols > Chemical Composition
Earth Science > Atmosphere > Aerosols
The NASA Goddard Tropospheric Ozone Lidar (TROPOZ) is a mobile, ground-based lidar that is part of the Tropospheric Ozone Lidar Network (TOLNet). It employs the differential absorption lidar (DIAL) technique to measure ozone at wavelengths of 289 nm and 299 nm. TROPOZ has a range resolution of 15 meters, a repetition rate of 50 Hz, and can produce ozone profiles from 0.35 to 16 km above ground level.
Earth Science > Atmosphere > Air Quality > Tropospheric Ozone
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Atmosphere > Atmospheric Chemistry
The Tandem Differential Mobility Analyzer (TDMA) is an in situ airborne and ground-based analyzer that measures the physical properties of aerosol particles, such as size distribution and concentration. It can measure particles in the size range of 0.013 to 0.75 mm with a size resolution of 0.013 mm at 0.2 mm. The TDMA is often combined with an Aerodynamic Particle Sizer (APS) to enable measurements of particles in the submicron range. A typical measurement sequence of TDMA takes approximately 45 minutes to complete.
Earth Science > Atmosphere > Aerosols > Aerosol Forward Scatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols > Cloud Condensation Nuclei
Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties
Earth Science > Atmosphere > Aerosols
Nephelometers are in situ optical sensors that can be airborne or ground-based. They measure the total scattering and backscattering of aerosol particles in the atmosphere. Nephelometers operate at three wavelengths: 450 nm, 550 nm, and 700 nm, with a typical time resolution of 1 Hz.
Earth Science > Atmosphere > Aerosols > Aerosol Forward Scatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Ceilometers are ground-based remote sensing sensors that measure cloud ceilings and vertical visibility. They utilize a laser or another light source to detect backscatter from clouds, precipitation, and aerosols. Ceilometers provide detailed and precise measurements under all weather conditions and are cost-effective to operate. They are commonly used in boundary layer and cloud research.
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Atmosphere > Air Quality > Visibility
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Ceiling
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Altitude > Planetary Boundary Layer Height
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
PECAN
Plains Elevated Convection at Night
2015
Great Plains, United States
view all deployment dates
1 Deployment
· 0 Data Products| 2015-06-01 | 2015-07-15 |
Generic-Atmospheric State (Gen-AtmsState) refers to non-specific instruments on a platform used for measurements of atmospheric state parameters. These are typically in situ sensors that measure temperature, pressure, humidity, and wind speed/direction. Types of atmospheric state instruments include thermometers, hygrometers, barometers, and anemometers.
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Pressure
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Humidity
Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Direction
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind Speed
Earth Science > Atmosphere > Atmospheric Winds
The Ultra-High Frequency (UHF) Wind Profiler is a ground-based Doppler radar. It measures electromagnetic signals to detect wind speed and direction. UHF Wind Profilers operate at the 300-1000 MHz frequency range. Due to operating at a high frequency, they allow for high-resolution wind measurements within the boundary layer.
Earth Science > Atmosphere > Atmospheric Winds > Upper Level Winds > Boundary Layer Winds
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds
The Autonomous Parsivel Unit (APU) is an in situ ground-based optical disdrometer. APU measures the size and fall velocity of hydrometeors with a range of 0-25 mm in size and 0-20 m/s in fall speed. Using these measurements, the drop size distribution, type, intensity, and amount of precipitation can be determined. APU operates in the 650-780 nm wavelength range and typically samples every 10 seconds.
Earth Science > Atmosphere > Precipitation
Earth Science > Atmosphere > Precipitation > Droplet Size
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Atmosphere > Precipitation > Precipitation Amount
The Raman Lidar (RL) is a ground-based lidar system operated by the Department of Energy’s (DoE) Atmospheric Radiation Measurement (ARM) User Facility. It detects Raman backscatter in the ultraviolet range (355 nm) to provide profiles of water vapor, temperature, and aerosol and cloud optical properties. It also detects Raman backscatter from water vapor at 408 nm and molecular nitrogen at 387 nm to help derive aerosol optical properties and water vapor mixing ratios. It has a range resolution of 7.5 m, a time resolution of 10 seconds, and a pulse repetition frequency of 30 Hz. RL can deliver profile measurements from approximately 200 m up to 10 km above ground level.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Aerosols > Aerosol Extinction
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles > Water Vapor Mixing Ratio Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
The microwave radiometers (MWRs) are ground-based radiometers manufactured by Radiometrics Corporation and operated by the Atmospheric Radiation Measurement (ARM) Research Facility. MWR measures brightness temperature at 23.8 and 31.4 GHz to determine the column amounts of water vapor and liquid water in the atmosphere. MWR has a field of view (FOV) ranging from about 5.9 to 4.5 degrees depending on the channel and typically has a time resolution of 20 seconds for sky-view observations.
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Water Vapor
Earth Science > Spectral/engineering > Microwave > Brightness Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Liquid Water/ice
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Indicators > Total Precipitable Water
Earth Science > Atmosphere > Clouds > Cloud Microphysics
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Atmospheric Water Vapor
The Atmospheric Emitted Radiance Interferometer (AERI) is a ground-based passive interferometer developed by the University of Wisconsin Space Science and Engineering Center (UW-SSEC) for the Department of Energy (DoE) Atmospheric Radiation Measurement (ARM) Program. It uses Fourier transform spectroscopy to measure downwelling thermal infrared emissions from the atmosphere. These measurements can be used to provide profile measurements of atmospheric temperature and water vapor and detect trace gases. AERI operates across the 3.3-19 μm spectral range and up to 25 μm for the extended range version of the instrument. It has an optimal vertical resolution of 100 meters and completes a full sky scan about every 20 seconds.
Earth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace Species
Earth Science > Atmosphere > Atmospheric Water Vapor
Earth Science > Atmosphere > Atmospheric Water Vapor > Water Vapor Profiles
Earth Science > Atmosphere > Atmospheric Temperature > Upper Air Temperature > Vertical Profiles
Earth Science > Atmosphere > Aerosols > Aerosol Optical Depth/thickness
Earth Science > Spectral/engineering > Infrared Wavelengths > Brightness Temperature
Earth Science > Atmosphere > Atmospheric Temperature
Earth Science > Atmosphere > Clouds > Cloud Microphysics > Cloud Optical Depth/thickness
The Differential Absorption Lidar (DIAL) is an airborne lidar system developed at NASA’s Langley Research Center (LaRC). It uses four lasers to detect lidar backscatter and provide profile measurements of ozone and aerosols in the atmosphere. DIAL operates in the ultraviolet (289-300 nm) for ozone detection and in the visible (572-600 nm) and infrared (1064 nm) for aerosols. It has a horizontal spatial resolution of approximately 15 km and a measurement accuracy of 5 ppbv.
Earth Science > Atmosphere > Aerosols
Earth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > Ozone
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
The Micropulse Lidar (MPL) is a ground-based lidar system used for cloud detection. It measures lidar backscatter at 532 nm to retrieve cloud properties such as cloud top and base height. It can also be used for the detection of aerosols. MPL has a vertical resolution of 15 m and a maximum range of 18 km. MPL can operate autonomously and typically provides 10-second averaged data.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Clouds
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Top Height
Earth Science > Spectral/engineering > Lidar
Earth Science > Atmosphere > Clouds > Cloud Properties
Earth Science > Atmosphere > Clouds > Cloud Properties > Cloud Base Height
Earth Science > Spectral/engineering > Lidar > Lidar Depolarization Ratio
The Doppler Lidar (DL) is a ground-based lidar system used to measure radial velocity and attenuated aerosol backscatter. It detects aerosol backscatter in the near-infrared (1.5 microns) and uses coherent detection to measure the Doppler frequency shift of the backscatter signal to determine radial velocity. It features a range gate size of 18 to 60 meters, a typical maximum data range of 9.6 km, and a temporal resolution of 0.01 to 30 seconds. The Department of Energy operates DLs at its Atmospheric Radiation Measurement (ARM) User Facility sites.
Earth Science > Spectral/engineering > Lidar > Lidar Backscatter
Earth Science > Atmosphere > Aerosols > Aerosol Backscatter
Earth Science > Spectral/engineering > Radar > Radial Velocity
Earth Science > Spectral/engineering > Lidar
The Sound Detection and Ranging (SODAR) is an active ground-based acoustic sensor that measures atmospheric winds and turbulence. It sends acoustic energy into the atmosphere and detects the strength and frequency of the backscattered energy. The backscattered signal can be used to determine the horizontal wind field, assuming the scattered energy moves with the mean wind. SODARs are frequently used in boundary layer studies to measure turbulence and wind profiles.
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Horizontal Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Velocity/speed Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Profiles > Wind Direction Profiles
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Vertical Wind Velocity/speed
Earth Science > Atmosphere > Atmospheric Winds > Wind Dynamics > Turbulence
Earth Science > Atmosphere > Atmospheric Winds
The S-band Polarimetric (S-POL) Doppler radar is a transportable ground-based radar operated by the National Center for Atmospheric Research (NCAR). It is a dual-polarization radar that measures reflectivity, Doppler velocity, and spectrum width to characterize precipitation and convective systems. S-Pol operates at a frequency of 2.7-2.9 GHz and has a beam width of 0.92 degrees. Its range spans from 150 to 675 meters, with a gate spacing of 37.5 to 150 meters.
Earth Science > Atmosphere > Precipitation > Hydrometeors
Earth Science > Spectral/engineering > Radar > Spectrum Width
Earth Science > Atmosphere > Precipitation > Liquid Precipitation > Rain
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Precipitation > Precipitation Rate
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
X-band radars are ground-based radars that operate in the 8-12 GHz frequency range. They provide measurements of radar reflectivity, Doppler velocity, and other radar parameters to characterize precipitation and clouds. Due to operating on a smaller wavelength, the X-band radars are more sensitive and can detect smaller particles, making them useful for studying light precipitation and cloud development.
Earth Science > Atmosphere > Precipitation
Earth Science > Spectral/engineering > Radar > Doppler Velocity
Earth Science > Atmosphere > Clouds
Earth Science > Spectral/engineering > Radar > Radar Backscatter
Earth Science > Spectral/engineering > Radar > Radar Reflectivity
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Thermal Dissociation-Chemical Ionization Mass Spectrometer, Generic-Atmospheric State, Generic-Chemistry Related Sensors, Nephelometer, Nittany Atmospheric Trailer & Integrated Validation Experiment, Chemiluminescence Instrument, Sunphotometer, Thermo Scientific Gas Analyzer, Multifilter Rotating Shadowband Radiometer
Gas Chromatograph/Mass Spectrometry, Sound Detection and Ranging, Pandora Spectrometer System, Scanning Mobility Particle Sizer, Pyranometer, Generic-Chemistry Related Sensors, Generic-Chemical Ionization Mass Spectrometry, Microwave Profiling Radiometer, Aerodynamic Particle Sizer, Thermo Scientific Gas Analyzer
LI-COR Gas Analyzer, Picarro Gas Analyzer, Ceilometer, Scanning L-Band Active/Passive, Cloud Aerosol and Precipitation Spectrometer, Laser Aerosol Spectrometer, Generic-Chemistry Related Sensors, Langley Aerosol Research Group Experiment, Compact Airborne Formaldehyde Experiment, Condensation Particle Counter, Ozonesonde
Pyrgeometer, Pyranometer, Particle Soot Absorption Photometer, Generic-Atmospheric State, Microwave Radiometer, Aethalometer, Atmospheric Emitted Radiance Interferometer, Aerodynamic Particle Sizer, Total Sky Imager, Micropulse Lidar, Nephelometer, Chemical, Optical, and Microphysical Measurements of In-situ Troposphere, Thermo Scientific Gas Analyzer, Multifilter Rotating Shadowband Radiometer, Surface-sensing Measurements for Radiative Transfer