ATom: L2 In Situ Measurements from the NCAR Airborne Oxygen Instrument (AO2)
This dataset provides in situ atmospheric oxygen and carbon dioxide concentrations measured by the NCAR Airborne Oxygen Instrument (AO2) during airborne campaigns conducted by NASA's Atmospheric Tomography (ATom) mission. The AO2 Instrument measures O2 concentration using a vacuum-ultraviolet absorption technique. ATom deploys an extensive gas and aerosol payload on the NASA DC-8 aircraft for systematic, global-scale sampling of the atmosphere, profiling continuously from 0.2 to 12 km altitude. Flights occurred in each of 4 seasons from 2016 to 2018. Flights originate from the Armstrong Flight Research Center in Palmdale, California, fly north to the western Arctic, south to the South Pacific, east to the Atlantic, north to Greenland, and return to California across central North America. ATom establishes a single, contiguous, global-scale dataset. This comprehensive dataset will be used to improve the representation of chemically reactive gases and short-lived climate forcers in global models of atmospheric chemistry and climate.
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| Spatial Extent: | Bounding Rectangle: N: 90.0 S: -90.0 E: 180.0 W: -180.0 |
Data Format(s): | Distribution: Not provided |
| Temporal Extent: | Platform(s): | NASA DC-8 | |
| Data Center(s): | ORNL_DAAC | Instrument(s): | GAS SENSORS |
| Version: | 1 | ||
- Type: ECHO ORDERSDescription: ORNL_DAAC EOSDIS ECHO ORDERS Service Implementation
- Other Citation Details: Stephens, B.B., E.J. Morgan, A. Watt, J. Bent, S. Afshar, R.F. Keeling, and W. Paplawsky. 2019. ATom: L2 In Situ Measurements from the NCAR Airborne Oxygen Instrument (AO2). ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1704
- GENERAL DOCUMENTATION: https://daac.ornl.gov/ATOM/guides/ATom_AO2_Instrument_Data.html, ORNL DAAC Data Set Documentation
- GENERAL DOCUMENTATION: https://daac.ornl.gov/daacdata/atom/ATom_AO2_Instrument_Data/comp/ATom_AO2_Instrument_Data.pdf, ATom: L2 In Situ Measurements from the NCAR Airborne Oxygen Instrument (AO2): ATom_AO2_Instrument_Data.pdf
Collection Information
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DOI
10.3334/ORNLDAAC/1704
https://doi.org
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Data Identification
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Processing Level
2
Derived geophysical variables at the same resolution as L1 source data
- Quality
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Collection Progress
Complete
Data Dates
| Creation | |
| Last Revision |
Related URLs
Acquisition Information
Projects
| Project Short Name | Campaigns | Project Dates |
|---|---|---|
| ATom | No campaigns listed. | No dates provided. |
Temporal Information
Spatial Information
| Coverage Type | Zone Identifier | Geometry | Granule Representation |
|---|---|---|---|
| HORIZONTAL | CARTESIAN | CARTESIAN |
Location Keywords
- GEOGRAPHIC REGION
- GLOBAL
Data Centers
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ORNL_DAAC
ARCHIVER-
ORNL DAAC User Services Office, P.O. Box 2008, MS 6407, Oak Ridge National Laboratory
Oak Ridge, Tennessee 37831-6407
(865) 241-3952
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Data Contacts
There are no listed data contacts for this collection.
Archive And Distribution Information
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Format: Not provided
Format Type: Native
Fees: 0