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ATom

New Campaign Data: Volatile Organic Compounds from the TOGA Instrument

Submitted by ORNL DAAC Staff on 2022-02-14
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Measurements of atmospheric acetone concentration from samples collected by the Trace Organic Gas Analyzer (TOGA) during ATom-3 flights in 2017.

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ATom-4 campaign data added to concentrations of volatile organic compounds measured by the TOGA instrument.
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ATom: Actinic Flux & Chemical Species Photolysis Frequencies

Submitted by ORNL DAAC Staff on 2022-01-09
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CAFS derived total NO2 photolysis frequencies (jNO2) during ATom 1. The flight track (black line) is shown during nighttime operations when jNO2 is below detection limits.

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Actinic flux and photolysis frequencies for photodissociation reactions for a variety of chemical species during the four ATom campaigns.
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GEOS-5 Derived Meteorological Conditions Interpolated to Airborne Flight Tracks

Submitted by ORNL DAAC Staff on 2021-12-08
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 An example of aerosols (Salt, Dust, and Carbon and Sulfates) modeled by the Goddard Earth Observing System Version 5 (GOES-5) on 12/27/2020, image source NASA.

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Modeled meteorological conditions and tagged-CO tracer concentrations along ATom flight paths.
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