Atmospheric CO2 Trapped in the Ice Core from Siple Dome, Antarctica
Entry ID: NSIDC-0202

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Abstract: These data are CO2 concentration of the air occluded in Siple Dome ice core,
Antarctica. The study was conducted between January 2001 and March 2003 on a
deep ice core from Siple Dome Core A, located at 81.66 S, 148.82 W. The data
covers up to the Termination II (around 140,000 years ago). The parameters are
depth in meters and carbon dioxide (CO2) concentration in part per million
(ppm). The ... View entire text
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Geographic Coverage
Spatial coordinates   
  N: -81.66   S: -81.66   E: -148.82   W: -148.82

Data Set Citation
Dataset Originator/Creator: Wahlen, Martin
Dataset Title: Atmospheric CO2 Trapped in the Ice Core from Siple Dome, Antarctica
Dataset Release Date: Decmeber 11, 2003
Dataset Release Place: Boulder, CO
Dataset Publisher: National Snow and Ice Data Center (NSIDC)
Issue Identification: NSIDC-0202
Online Resource:

Dataset Originator/Creator: Jinho Ahn, Martin Wahlen, and Bruce Deck
Dataset Title: A record of atmospheric CO2 during the last 40,000 years from the Siple Dome, Antarctica ice core
Dataset Series Name: Siple Dome A ice core CO2
Dataset Release Date: March 30, 2004
Dataset Release Place: La Jolla, CA, USA
Version: v1
Data Presentation Form: excel file
Temporal Coverage
Start Date: 2001-01-01
Stop Date: 2003-03-01
Paleo Temporal Coverage
Paleo Start Date: 140,000 ybp
Paleo Stop Date: 360 ybp
Chrono Unit:
CORING DEVICES Ancillary Description
Quality For each data point, four to six samples from the same depth interval were
dry-extracted mechanically. Each sample has a volume of 4~6 cm3. CO2
concentration was measured with IR tunable diode laser spectroscopy, scanning a
single vibrational-rotational absorption line.
Use Constraints The data before 40,000 yr BP can be used only with permission by the
authors (Jinho Ahn, Martin Wahlen,and Bruce Deck )
Data Set Progress
Originating Center
Data Center
Geosciences Research Division, Scripps Institution of Oceanography Supplemental Info
Data Center URL:

Data Center Personnel
Phone: 1-858-534-0828
Phone: 1-858-534-6248
Fax: 1-858-534-0967
Email: mwahlen at
Contact Address:
Geosciences Research Division
Scripps Institution of Oceanography
City: La Jolla
Province or State: CA
Postal Code: 92093-0220
Country: USA
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Distribution Media: FTP
Distribution Size: 30K
Distribution Format: ASCII text file
Phone: 541-737-1377
Email: ahnji at
Contact Address:
Department of Geosciences
008 Wilkinson Hall
City: Corvallis
Province or State: OR
Postal Code: 97331-5506
Country: USA
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Wahlen, M., D. Allen, B. Deck, and A. Herchenroder, Initial measurement of CO2
concentrations (1530 to 1940 AD) in air occluded in the GISP2 ice core from
central Greenland, Geophysical Research Letters, 18, 1457-1460, 1991.
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Creation and Review Dates
DIF Creation Date: 2003-12-11
Last DIF Revision Date: 2004-12-01
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