Multiple Project 2008-2016 Airborne Oxygen Instrument (AO2) Data

The NCAR Airborne Oxygen Instrument (AO2) was mounted on the NCAR GV during the HIPPO-1-5, START-08, ARISTO-2015 and ORCAS projects. The submitted AO2 data are in 1 flat ascii text file per flight. Each file contains running 10-second medians (of the original ~ 2.5-second data) at 1 Hz matching the times in the RAF data files. The files are in NASA Ames 1001 format, with a final comment line of variable names (UT CO2_AO2orig O2_AO2orig APO_AO2orig CO2_AO2 O2_AO2 APO_AO2), spaces separating columns, and 9999.99 for missing data. The reported times correspond to when the air entered the inlet. This instrument measures O2/N2 ratio as well as CO2 concentration. This dataset does not contain data. Users can access data via the Companion Datasets listed in the Related Links section. Use the DOI for this multiple project AO2 dataset to refer to all linked Companion AO2 Datasets.

To Access Resource:

Questions? Email Resource Support Contact:

  • EOL Data Support
    datahelp@eol.ucar.edu

Temporal Range

  • Begin:  2008-04-21T00:00:00Z
    End:  2016-03-01T23:59:00Z

Keywords

Resource Type dataset
Temporal Range Begin 2008-04-21T00:00:00Z
Temporal Range End 2016-03-01T23:59:00Z
Temporal Resolution N/A
Bounding Box North Lat 85.00000
Bounding Box South Lat -80.00000
Bounding Box West Long -170.00000
Bounding Box East Long -30.00000
Spatial Representation N/A
Spatial Resolution N/A
Related Links

Documentation #1 : AO2_readme_210126.pdf

249.010 : is a companion to dataset 112.134

490.015 : is a companion to dataset 112.134

121.009 : is a companion to dataset 112.134

107.013 : is a companion to dataset 112.134

112.005 : is a companion to dataset 112.134

117.082 : is a companion to dataset 112.134

248.010 : is a companion to dataset 112.134

493.013 : is a companion to dataset 112.134
Additional Information N/A
Resource Format N/A
Standardized Resource Format UNDEFINED FORMAT
Asset Size N/A
Legal Constraints

none
Access Constraints none
Software Implementation Language N/A

Resource Support Name EOL Data Support
Resource Support Email datahelp@eol.ucar.edu
Resource Support Organization N/A
Distributor N/A
Metadata Contact Name EOL Data Support
Metadata Contact Email datahelp@eol.ucar.edu
Metadata Contact Organization N/A

Author Britton B. Stephens
Ralph F. Keeling
Jonathan Bent
Andrew Watt
Stephen R. Shertz
William Paplawsky
Publisher N/A
Publication Date 2022-01-31T19:35:11
Digital Object Identifier (DOI) https://doi.org/10.26023/P0SQ-2C45-7K0C
Alternate Identifier 112.134
Resource Version 1.0
Topic Category climatologyMeteorologyAtmosphere
Progress completed
Metadata Date 2025-10-07T21:46:21Z
Metadata Record Identifier edu.ucar.eol::112.134
Metadata Language eng; USA
Suggested Citation Britton B. Stephens, Ralph F. Keeling, Jonathan Bent, Andrew Watt, Stephen R. Shertz, William Paplawsky. (2022). Multiple Project 2008-2016 Airborne Oxygen Instrument (AO2) Data. 1.0. https://doi.org/10.26023/P0SQ-2C45-7K0C. Accessed 25 October 2025.

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