The Multi-Axis Differential Optical Absorption Spectrometer (MAX-DOAS) is a ground-based passive spectrometer. It measures the scattered solar light at different elevations to determine trace gases in the troposphere. MAX-DOAS is designed to have low residual error in the ultraviolet and visible spectrums, allowing detection in both pristine 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.
Instrument Details
- Spectrometer/Radiometer
- Earth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen DioxideEarth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace SpeciesEarth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Bromine MonoxideEarth Science > Atmosphere > Atmospheric ChemistryEarth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > FormaldehydeEarth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur Dioxide
- Full Column Profile, Troposphere
- Variable
- Variable
- 428.3-999.3 THz
- Currently unavailble
Currently unavailable
Currently unavailable
Currently unavailable
Currently unavailable
data center outside NASA
 Campaign Field Sites Stationary 60 Campaigns · 165 Instruments |  Arctic Research of the Composition of the Troposphere from Aircraft and Satellites 2008 Alaska, Western Canada, California 3 Deployments · 27 Data Products
BROMEX Bromine, Ozone, and Mercury Experiment 2012 Barrow, Alaska, Beaufort Sea, Chukchi Sea 1 Deployment · 0 Data Products
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 DeHavilland DHC-6-300 Twin Otter 18 Campaigns · 70 Instruments |  Atmospheric Emissions and Reactions Observed from Megacities to Marine Areas 2023 Urban regions across the western and eastern United States 1 Deployment · 0 Data Products
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