Atmospheric Flask O2/N2 Data Sets – Multiple Sampling Stations
- Date Collected
- 1989 - present
- Date Issued
- Cite This Work
Keeling, Ralph F. (2019). Atmospheric Flask O2/N2 Data Sets – Multiple Sampling Stations. In Scripps O2 Program Data. UC San Diego Library Digital Collections. https://doi.org/10.6075/J0GM85NM. Accessed on [*Date of Download].
* Including your Accession date when citing the data will help to specify the subset of this growing dataset you wish to cite.
Atmospheric flask O2/N2 data sets taken at stations ALT, BRW, CBA, LJO, MLO, KUM, SAM, CGO, PSA, SPO, MCQ, and NWR.
These data are subject to revision based on recalibration of standard gases.
Alert, NWT, Canada (ALT) - 82.3°N, 62.3°W, 210m: 1989 - present
Barrow, Alaska (BRW) - 71.3°N, 156.8°W, 3m: 2010 - present
Cold Bay, Alaska (CBA) 55°N 163°W, 42m: 1995 - present
La Jolla Pier, California (LJO) - 32.9°N, 117.3°W, 10m: 1989 - present
Mauna Loa Observatory, Hawaii (MLO) - 19.5°N, 155.6°W, 3397m: 1991 - present
Cape Kumukahi, Hawaii (KUM) - 19.5°N, 154.8°W, 3m: 1993 - present
American Samoa (SAM) - 14°S 170°W: 1993 - present
Cape Grim, Australia (CGO) - 41°S 150°E, 91m: 1991 - present
Palmer Station, Antarctica (PSA) - 65°S 64°W, 2835m: 1996 - present
South Pole, Antarctica (SPO) - 90.0°S, 0.0°E, 2810m: 1991 - present
Macquarie Island (MCQ) - 54°S 159°E: 1993 - 1994
Niwot Ridge (NWR) - 40°N 105°W: 1991 - 1993
See Map of Scripps O2 Program Sampling Stations.
The O2/N2 measurements are made on a custom interferometric analyzer. Sampling, analysis, and calibration methods are described in Keeling et al (2007) and Keeling et al (1998).
- Scope And Content
The stations ALT, BRW, CBA, LJO, MLO, KUM, SAM, CGO, PSA, SPO are active and generate ongoing data sets, which will be updated when new data is available. The stations MCQ, and NWR are no longer active, but will be included here as legacy station data.
A new landing page and Digital Object Identifier is issued whenever a new calibration is applied to the data. To access data sets from the most recent calibration, please go to the collection page, Scripps O2 Program Data, and click on View Collection Items.
- Related Publications
Keeling, R. F. and A. C. Manning (2014). Studies of recent changes in atmospheric O2 content. Treatise on Geochemistry, Volume 5. R. F. Keeling and L. Russell. Amsterdam, Elsevier: 385-404. https://doi.org/10.1016/B978-0-08-095975-7.00420-4
Keeling, R. F., A. C. Manning, E. M. McEvoy and S. R. Shertz (1998). "Methods for measuring changes in atmospheric O2 concentration and their application in southern hemisphere air." Journal of Geophysical Research-Atmospheres 103(D3): 3381-3397. https://doi.org/10.1029/97JD02537
Keeling, R. F., A. C. Manning, W. J. Paplawsky and A. C. Cox (2007). "On the long-term stability of reference gases for atmospheric O2/N2 and CO2 measurements." Tellus Series B-Chemical and Physical Meteorology 59(1): 3-14. https://doi.org/10.1111/j.1600-0889.2006.00196.x
Manning, A. C. and R. F. Keeling (2006). "Global oceanic and land biotic carbon sinks from the Scripps atmospheric oxygen flask sampling network." Tellus 58B: 95-116. https://doi.org/10.1111/j.1600-0889.2006.00175.x
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