The Differential Optical Absorption Spectroscopy (DOAS) is a passive spectrometer instrument technique used to measure trace gas concentrations. It detects trace gases by measuring the specific, narrow-band absorptions in the ultraviolet and visible light spectrum. It is typically used for detecting ozone (O3), nitrogen dioxide (NO2), formaldehyde (CH2O), and sulfur dioxide (SO2). DOAS can be used for airborne and ground-based operations.
Instrument Details
- Spectrometer/Radiometer
- Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > FormaldehydeEarth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace SpeciesEarth Science > Atmosphere > Atmospheric Chemistry > Oxygen Compounds > OzoneEarth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen DioxideEarth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Sulfur DioxideEarth Science > Atmosphere > Atmospheric Chemistry > Nitrogen Compounds > Nitrogen OxidesEarth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > Bromine MonoxideEarth Science > Atmosphere > Atmospheric Chemistry
- Troposphere
- Variable
- Variable
- 384.3-1499 THz
- https://doi.org/10.1117/12.463920
Jochen Peter Stutz, Klaus Pfeilsticker
Jochen Peter Stutz
Varies
Currently unavailable
Currently unavailable
 Global Hawk 5 Campaigns · 28 Instruments |  Airborne Tropical Tropopause Experiment 2011—2015 California, Guam, Tropics 4 Deployments · 5 Data Products
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 Douglas DC-8 41 Campaigns · 177 Instruments |  Fire Influence on Regional to Global Environments and Air Quality 2019 Northwestern and Southeastern US 1 Deployment · 26 Data Products
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 Campaign Permanent Land Sites Stationary 51 Campaigns · 75 Instruments | SOLVE SAGE III Ozone Loss and Validation Experiment 1999—2003 Arctic, Kiruna, Sweden 2 Deployments · 32 Data Products
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 Campaign Field Sites Stationary 66 Campaigns · 159 Instruments |  Synergistic TEMPO Air Quality Science 2023 Los Angeles, New York City, Chicago, United States, North America 1 Deployment · 10 Data Products
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