ORCAS Airborne Oxygen Instrument (AO2)
The NCAR Airborne Oxygen Instrument (AO2) was mounted onboard the NSF/NCAR GV HIAPER (Gulfstream-V High-performance Instrumented Airborne Platform for Environmental Research) aircraft (Tail Number N677F) during the ORCAS (O2/N2 Ratio and CO2 Airborne Southern Ocean Study) campaign with research flights from Punta Arenas, Chile from 5 January to 29 February 2016. The submitted AO2 data are in 1 flat ascii text file per flight. Each file contains 1 Hz interpolated values (of the original ~ 2.5-second data) 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.
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|GCMD Science Keywords|
|Begin datetime||2016-01-05 00:00:00|
|End datetime||2016-02-29 23:59:59|
Map data from IBCSO, IBCAO, and Global Topography.
Maximum (North) Latitude:
Minimum (South) Latitude:
Minimum (West) Longitude: -105.00, Maximum (East) Longitude: -30.00
Additional contact information
- author: Britton B. Stephens <firstname.lastname@example.org>
- author: Jonathan Bent <email@example.com>
- author: Andrew Watt <firstname.lastname@example.org>
- author: Ralph F. Keeling <email@example.com>
- author: Eric J. Morgan <firstname.lastname@example.org>
- author: Sara Afshar <email@example.com>
CitationExample citation following ESIP guidelines:
Stephens, B., et al. 2021. ORCAS Airborne Oxygen Instrument. Version 2.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.5065/D6N29VC6. Accessed 22 Sep 2023.
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