The Whole Air Sampler (WAS) is an airborne in-situ instrument that collects samples of air for analysis of trace gases, such as nonmethane hydrocarbons (NMHCs), Halocarbons, Alkyl Nitrates, and various sulfur compounds that are present in the troposphere. Air samples collected via the WAS then undergo gas chromatography and mass spectrometry to determine which gasses are present in the sample. The WAS collects samples every minute, which enables scientists to get a clear picture of the chemical composition of the environment as research aircraft pass through.
Instrument Details
- Sampler
- Earth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds > Non-methane Hydrocarbons/volatile Organic CompoundsEarth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Dimethyl SulfideEarth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And Halogens > HalocarbonsEarth Science > Atmosphere > Atmospheric Chemistry > Sulfur Compounds > Carbonyl SulfideEarth Science > Atmosphere > Aerosols > Nitrate ParticlesEarth Science > Atmosphere > Atmospheric Chemistry > Trace Gases/trace SpeciesEarth Science > Atmosphere > Atmospheric ChemistryEarth Science > Atmosphere > Atmospheric Chemistry > Sulfur CompoundsEarth Science > Atmosphere > Atmospheric Chemistry > Halocarbons And HalogensEarth Science > Atmosphere > Atmospheric Chemistry > Carbon And Hydrocarbon Compounds
- Troposphere
- 1 min
- N/A
- N/A
- https://doi.org/10.5194/amt-10-291-2017
Leroy Heidt, Elliot Atlas, Donald R. Blake, Barbara Chisholm
Elliot Atlas, Donald R. Blake
UC Irvine, NCAR, Diamond Systems, National Instruments
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