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.
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
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