Firn Air Isotope and Temperature Measurements from Siple Dome and South Pole
Entry ID: NSIDC-0098

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Abstract: This data set includes d15N, d18O/2, dO2/N2/4, d40Ar/4, d38/Ar/2, d84Kr/48, and d132Xe/96 values for air drawn from the top 15 to 50 m of firn at the South Pole (summer and winter 1998) and a site at Siple Dome (summers 1996 and 1998). Data also include related firn temperature measurements. The objective of this research was to better understand thermal fractionation processes affecting records ... View entire text
Geographic Coverage
Spatial coordinates   
  N: -90.0   S: -90.0   E: -102.0   W: -102.0
  N: -81.67   S: -81.67   E: -148.77   W: -148.77

Data Set Citation
Dataset Originator/Creator: J.P. Severinghaus, A. Grachev, and M. Battle
Dataset Title: Firn Air Isotope and Temperature Measurements from Siple Dome and South Pole
Dataset Release Date: 2001-01-01
Dataset Release Place: Boulder, CO U.S.A.
Dataset Publisher: National Snow and Ice Data Center (NSIDC)
Data Presentation Form: Table
Online Resource:
Data Resolution
Vertical Resolution: 1 to 9 m
Vertical Resolution Range: 1 meter - < 10 meters
Data Set Progress
Originating Center
Data Center
National Snow and Ice Data Center Supplemental Info
Data Center URL:
Dataset ID: NSIDC-0098

Data Center Personnel
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at
Contact Address:
National Snow and Ice Data Center
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
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Distribution Media: ftp
Distribution Size: 1 to 5 KB per file
Distribution Format: MS Excel or ASCII text files
Fees: None
Phone: 858-822-2483
Fax: 858-822-3310
Email: jseveringhaus at
Contact Address:
Scripps Institution of Oceanography
9500 Gilman Dr.
City: La Jolla
Province or State: CA
Postal Code: 92093-0244
Country: USA
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Severinghaus, J.P., A. Grachev, and M. Battle. 2001. Thermal fractionation of air in polar firn by seasonal temperature gradients. Geochemistry, Geophysics, Geosystems [online journal] 2: Paper no. 2000GC000146. Severinghaus, J.P. and E.J. Brook, 1999. Abrupt climate change at the end of the last glacial period inferred from trapped air in polar ice. Science 286: 930-934.
Creation and Review Dates
DIF Creation Date: 2001-09-19
Last DIF Revision Date: 2011-07-19
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