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TRANS2AM: King Air Picarro G2401-M 2021 Phase Data


Picarro G2401-m Cavity Ring Down Spectrometer gas-phase CO2, CH4, CO, and H2O dry air measurements collected aboard the University of Wyoming King Air aircraft during Phase 1 (July and August 2021) of the TRANS2AM campaign. The base of operations was the Laramie Airport (KLAR) in Laramie, Wyoming with most flights over northeastern Colorado.

Archive note

Data from 2022 phase are available in the companion dataset below.    

Data access

  • ORDER data for delivery by FTP

Additional information

Data Quality final
  • 1.0 (2022-03-07)
  • 2.0 (2022-07-14):

    Corrects the ICARTT header units from the incorrect ppb to the correct ppm and also fixes an issue where some missing values were showing up as -9991 rather than -9999.

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Language English
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Temporal coverage

Begin datetime 2021-07-09 00:00:00
End datetime 2021-08-24 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 42.00, Minimum (South) Latitude: 40.00
Minimum (West) Longitude: -106.00, Maximum (East) Longitude: -103.00

Primary point of contact information

EOL Data Support <>

Additional contact information


Caulton, D., McCabe, M. 2022. TRANS2AM: King Air Picarro G2401-M 2021 Phase Data. Version 2.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 24 May 2024.

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