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ORCAS Quantum Cascade Laser Spectrometer (QCLS) CO2


The Quantum Cascade Laser Spectrometer (QCLS) CO2 measured CO2 concentrations in situ aboard the NSF/NCAR GV during the O2/N2 Ratio and CO2 Airborne Southern Ocean (ORCAS) Study. This dataset contains CO2_QCLS data in NASA Ames format collected during ORCAS.

Data access

  • ORDER data for delivery by FTP
    • user agreement required

Additional information

Data Quality final
  • 0.1 (2016-03-16):
    Field-phase data. During the QA/QC process indications of a leak on RF17 were picked up so currently it is not thought we can recover and report data for that flight. - Eric
  • 0.2 (2016-09-08):

    QAQC data

  • 1.0 (2017-02-08):

    Final release data. No changes from the previous version were required as qaqc data are appropriate for release. 

  • 1.1 (2017-03-14):

    This version contains an updated QCLS CO2 readme file that includes information on what flights are missing.

(Only the current version of the data is available to order. If you have questions about a prior version, please email us.)
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Related projects
Spatial Type point
Frequency 1 second
Language English
GCMD Science Keywords Expand keywords
Related links

Temporal coverage

Begin datetime 2016-01-05 00:00:00
End datetime 2016-02-18 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: -30.00, Minimum (South) Latitude: -80.00
Minimum (West) Longitude: -105.00, Maximum (East) Longitude: -30.00

Primary point of contact information

EOL Data Support <>

Additional contact information


Kort, E., et al. 2017. ORCAS Quantum Cascade Laser Spectrometer (QCLS) CO2. Version 1.1. UCAR/NCAR - Earth Observing Laboratory. Accessed 20 Apr 2024.

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Ancillary information

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