Instrument

UHSAS
Ultra-High Sensitivity Aerosol Spectrometer

The Ultra-High Sensitivity Aerosol Spectrometer (UHSAS) is an in situ spectrometer manufactured by Droplet Measurement Technologies. It can be utilized on both airborne and ground-based platforms to measure aerosol size distribution and concentration. UHSAS determines the particle size by detecting the peak light signals of the aerosol particles which are illuminated by a 1054 nm laser. UHSAS can sample particles within the 60 - 1000 nm size range and has a sampling frequency of 10 Hz.

NASA's DC-8 flying laboratory passes Antarctica's tallest peak, Mount Vinson, on Oct. 22, 2012, during a flight over the continent to measure changes in the massive ice sheet and sea ice. Credit: NASA/Michael Studinger (Photography courtesy NASA Images)

Overview

Instrument Details

Measurement Type

Spectrometer/Radiometer

Measurement/Variables

Earth Science > Atmosphere > Aerosols

Earth Science > Atmosphere > Aerosols > Aerosol Particle Properties

Vertical Measurement Regions

Troposphere

Temporal Resolution

10 Hz

Spatial Resolution

Point

Measurement Frequency

284 THz

Calibration Details

https://doi.org/10.2172/1251410

Online Information

Lead Investigator
David Rogers
Technical Contact
David Rogers
Instrument Maker
Droplet Measurement Technologies
Funding Source
Currently unavailable
Overview Publications
Currently unavailable
Repository
- Atmospheric Science Data Center (ASDC)

Instrument Operation

Platform

Campaigns, where the platform was used with this instrument

DC-8

Douglas DC-8

36 Campaigns · 168 Instruments

GRIP

Genesis and Rapid Intensification Processes

2010

Tropical Atlantic, Gulf of Mexico, Eastern North Pacific, Caribbean Sea

view all deployment dates

· 24 Data Products

DC3

Deep Convective Clouds & Chemistry

2012

Northeastern Colorado, West Texas to Central Oklahoma, Northern Alabama

view all deployment dates

· 19 Data Products

NAMMA

NASA African Monsoon Multidisciplinary Analyses

2006

Cape Verde Islands, Atlantic Ocean

view all deployment dates

· 23 Data Products

FIREX-AQ

Fire Influence on Regional to Global Environments and Air Quality

2019

Northwestern and Southeastern US

view all deployment dates

· 26 Data Products

Falcon

Dassault Falcon 20-E5

5 Campaigns · 43 Instruments

DC3

Deep Convective Clouds & Chemistry

2012

Northeastern Colorado, West Texas to Central Oklahoma, Northern Alabama

view all deployment dates

· 19 Data Products

Citation

Cessna Citation II

8 Campaigns · 26 Instruments

MC3E

Mid-latitude Continental Convective Clouds Experiment

2011

Central Oklahoma, Southern Plains

view all deployment dates

· 34 Data Products

P-3

P-3 Orion

17 Campaigns · 104 Instruments

DISCOVER-AQ

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

· 12 Data Products

ORACLES

Observations of Aerosols above Clouds and their Interactions

2016—2018

Southeastern Atlantic Ocean, Southern Africa

view all deployment dates

· 7 Data Products

G-V

Gulfstream-V

7 Campaigns · 37 Instruments

ACCLIP

Asian Summer Monsoon Chemical & Climate Impact Project

2022

West Pacific, South Korea

view all deployment dates

· 8 Data Products

DC3

Deep Convective Clouds & Chemistry

2012

Northeastern Colorado, West Texas to Central Oklahoma, Northern Alabama

view all deployment dates

· 19 Data Products

C-130

C-130 Hercules

15 Campaigns · 85 Instruments

NAAMES

North Atlantic Aerosols and Marine Ecosystems Study

2015—2018

Northwestern Atlantic Ocean

view all deployment dates

· 12 Data Products

Twin Otter

DeHavilland DHC-6-300 Twin Otter

15 Campaigns · 62 Instruments

FIREX-AQ

Fire Influence on Regional to Global Environments and Air Quality

2019

Northwestern and Southeastern US

view all deployment dates

· 26 Data Products

Vehicle

Campaign Vehicles

17 Campaigns · 54 Instruments

FIREX-AQ

Fire Influence on Regional to Global Environments and Air Quality

2019

Northwestern and Southeastern US

view all deployment dates

· 26 Data Products

G-1

Gulfstream-159

1 Campaign · 26 Instruments

CalWater

2015

California, Sierra Nevada Range

view all deployment dates

· 0 Data Products

ER-2

NASA Earth Resources-2 Aircraft

48 Campaigns · 106 Instruments

AASE

Airborne Arctic Stratospheric Expedition

1988—1992

Arctic

view all deployment dates

· 2 Data Products

Global Hawk

5 Campaigns · 28 Instruments

GloPac

Global Hawk Pacific

2010

Northern Pacific Ocean, Arctic Ocean

view all deployment dates

· 0 Data Products

WB-57

NASA WB-57

15 Campaigns · 75 Instruments

ACCLIP

Asian Summer Monsoon Chemical & Climate Impact Project

2022

West Pacific, South Korea

view all deployment dates

· 8 Data Products

Data Products

Filter data products from this instrument by specific campaigns, platforms, or formats.

Campaigns

Platforms

Formats

DC3 In-Situ NSF/NCAR GV-HIAPER Aerosol Data10.5067/ASDC/SUBORBITAL/DC3_Aerosol_AircraftInSitu_NSF-GV-HIAPER_Data_1

CampaignsDeep Convective Clouds & Chemistry

PlatformsGulfstream-V

DC3 In-Situ NSF/NCAR GV-HIAPER Cloud Data10.5067/ASDC/SUBORBITAL/DC3_Cloud_AircraftInSitu_NSF-GV-HIAPER_Data_1

CampaignsDeep Convective Clouds & Chemistry

PlatformsGulfstream-V

DC3 In-Situ NSF/NCAR GV-HIAPER Meteorological and Navigational Datahttps://doi.org/10.5067/ASDC/SUBORBITAL/DC3_MetNav_AircraftInSitu_NSF-GV-HIAPER_Data_1

CampaignsDeep Convective Clouds & Chemistry

PlatformsGulfstream-V

NAMMA LANGLEY AEROSOL RESEARCH GROUP EXPERIMENT (LARGE) V1http://dx.doi.org/10.5067/NAMMA/MULTIPLE/DATA202

CampaignsNASA African Monsoon Multidisciplinary Analyses

PlatformsDouglas DC-8

DC3 In-Situ DC-8 Aircraft Aerosol Datahttps://doi.org/10.5067/ASDC/SUBORBITAL/DC3_Aerosol_AircraftInSitu_DC8_Data_1

CampaignsDeep Convective Clouds & Chemistry

PlatformsDouglas DC-8

DISCOVER-AQ P-3B Aircraft in-situ Aerosol Measurements Texas10.5067/ASDC_DAAC/DISCOVER-AQ/0005

CampaignsDeriving Information on Surface Conditions from COlumn and VERtically Resolved Observations Relevant to Air Quality

PlatformsP-3 Orion

DISCOVER-AQ P-3B Aircraft in-situ Aerosol Measurements10.5067/ASDC_DAAC/DISCOVER-AQ/0006

CampaignsDeriving Information on Surface Conditions from COlumn and VERtically Resolved Observations Relevant to Air Quality

PlatformsP-3 Orion

GPM GROUND VALIDATION UND CITATION CLOUD MICROPHYSICS MC3E V1http://dx.doi.org/10.5067/GPMGV/MC3E/MULTIPLE/DATA201

CampaignsMid-latitude Continental Convective Clouds Experiment

PlatformsCessna Citation II

ORACLES Aerosol Aircraft InSitu Data10.5067/ASDC_DAAC/ORACLES_Aerosol_AircraftInSitu_Data_1

CampaignsObservations of Aerosols above Clouds and their Interactions

PlatformsP-3 Orion

ATom: Ultra-High Sensitivity Aerosol Spectrometer Calibration and Performance Data10.3334/ORNLDAAC/1619

CampaignsAtmospheric Tomography Mission

PlatformsDouglas DC-8

FIREX-AQ NOAA-CHEM Twin Otter In Situ Aerosol Data10.5067/ASDC/SUBORBITAL/FIREXAQ_Aerosol_AircraftInSitu_N48_Data_1

CampaignsFire Influence on Regional to Global Environments and Air Quality

PlatformsDeHavilland DHC-6-300 Twin Otter

FIREX-AQ MACH2 Surface Mobile In-Situ Measurements10.5067/ASDC/FIREXAQ_SurfaceMobile_MACH2_InSitu_Data_1

CampaignsFire Influence on Regional to Global Environments and Air Quality

PlatformsCampaign Vehicles

FIREX-AQ DC-8 In-Situ Aerosol Data10.5067/ASDC/FIREXAQ_Aerosol_AircraftInSitu_DC8_Data_1

CampaignsFire Influence on Regional to Global Environments and Air Quality

PlatformsDouglas DC-8

ATom: L2 In Situ Measurements of Aerosol Microphysical Properties (AMP)10.3334/ORNLDAAC/1671

CampaignsAtmospheric Tomography Mission

PlatformsDouglas DC-8

GRIP LANGLEY AEROSOL RESEARCH GROUP EXPERIMENT (LARGE) V1http://dx.doi.org/10.5067/GRIP/LARGE/DATA201

CampaignsGenesis and Rapid Intensification Processes

PlatformsDouglas DC-8

SEAC4RS DC-8 Aircraft In-Situ Aerosol Data10.5067/ASDC/SUBORBITAL/SEAC4RS_Aerosol_AircraftInSitu_DC8_Data_1

CampaignsStudies of Emissions and Atmospheric Composition, Clouds and Climate Coupling by Regional Surveys

PlatformsDouglas DC-8

NAAMES C-130 Aerosol In Situ , Version 110.5067/ASDC/NAAMES_Aerosol_AircraftInSitu_Data_1

CampaignsNorth Atlantic Aerosols and Marine Ecosystems Study

PlatformsC-130 Hercules

ACCLIP WB-57 Aircraft In-Situ Aerosol Data10.5067/ASDC/SUBORBITAL/ACCLIP_Aerosol_AircraftInSitu_WB57_Data_1

CampaignsAsian Summer Monsoon Chemical & Climate Impact Project

PlatformsNASA WB-57

FormatsICARTT

UHSASUltra-High Sensitivity Aerosol Spectrometer

Overview

Instrument Details

Instrument Operation

Data Products

UHSAS
Ultra-High Sensitivity Aerosol Spectrometer