Analysis of Siple Dome Ice Core: Carbonyl Sulfide (COS), Methyl Chloride (CH3Cl), and Methyl Bromide (CH3Br)
Entry ID: NSIDC-0279

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Summary
Abstract: This data set is part of the WAISCORES (West Antarctic Ice Sheet cores) project, research funded by the National Science Foundation (NSF) and designed to improve understanding of how the West Antarctic ice sheet influences climate and sea level change. WAISCORES investigators acquired and analyzed ice cores from the Siple Dome, in the Siple Coast region, West Antarctica. These data provide ... View entire text
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Geographic Coverage
Spatial coordinates   
  N: -81.65   S: -81.65   E: -148.81   W: -148.81
Min Altitude: 620 M Max Altitude: 620 M
Min Depth: 0 M Max Depth: 91.945 M

Data Set Citation
Dataset Originator/Creator: Eric Saltzman
Dataset Title: Analysis of Siple Dome Ice Core: Carbonyl Sulfide (COS), Methyl Chloride (CH3Cl), and Methyl Bromide (CH3Br)
Dataset Series Name: WAISCORES
Dataset Release Date: 2005-11-20
Dataset Release Place: Boulder, CO
Dataset Publisher: National Snow and Ice Data Center (NSIDC)
Online Resource: http://nsidc.org/data/nsidc-0279.html
Quality The pore close-off depth at Siple Dome occurs in the range of 48 m to 56 m. Above this depth, air is able to circulate within the firn because the gaps have not been fully closed. This eventually happens as the snow accumulates above and the firn continues to densify. However, until the pores close off and trap the gases, the age of the ice and the age of the gas are not the same.
Data Set Progress
COMPLETE
Originating Center
Data Center
National Snow and Ice Data Center Supplemental Info
Data Center URL: http://nsidc.org

Data Center Personnel
Name: NSIDC USER SERVICES
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
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Distribution
Distribution Media: FTP
Distribution Size: 71.5 KB total
Distribution Format: MS Excel and DOC format
Personnel
Role: INVESTIGATOR
Phone: (949) 824-3936
Fax: (949) 824-3874
Email: esaltzma at uci.edu
Contact Address:
Department of Earth System Science
University of California, Irvine
City: Irvine
Province or State: CA
Postal Code: 92697-3100
Country: USA
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Publications/References
Aydin, M., E. S. Saltzman, W. J. De Bruyn, S. A. Montzka, J. H. Butler, and M. Battle. 2004. Atmospheric variability of methyl chloride over the last 300 years from an Antarctic ice core and firn air. Geophysical Research Letters. Vol. 31. L02109, doi: 10.1029/2003GL018750.
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Creation and Review Dates
DIF Creation Date: 2005-09-27
Last DIF Revision Date: 2009-02-02
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