Carbon-13 Isotopic Composition of Atmospheric Methane in Firn Air, South Pole and Siple Dome, Antarctica
Entry ID: NSIDC-0310

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Summary
Abstract: This data set includes records of the delta carbon-13 (δ13C) of methane (CH4) in firn air from the South Pole and trapped in bubbles in a short ice core from Siple Dome, Antarctica. Using two firn air samples, one from January 1995 and the other from January 2001, investigators reconstructed records of the isotopic composition of paleoatmospheric methane covering the last 2 centuries, from 1820 to 2001. Data are in Microsoft Excel and Microsoft Word formats and are available via FTP.
Related URL
Description: Siple Dome Highlights: Stable isotopes
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Geographic Coverage
Spatial coordinates   
  N: -81.4   S: -81.4   E: -148.3   W: -148.3
Max Depth: 122.08 M

Data Set Citation
Dataset Originator/Creator: Todd Sowers
Dataset Title: Carbon-13 Isotopic Composition of Atmospheric Methane in Firn Air, Siple Dome, Antarctica
Dataset Release Date: 2007-07-09
Dataset Release Place: Boulder, Colorado USA
Dataset Publisher: National Snow and Ice Data Center (NSIDC)
Data Presentation Form: Digital Media
Online Resource: http://nsidc.org/data/nsidc-0310.html
Temporal Coverage
Start Date: 1995-01-01
Stop Date: 1995-01-31

Start Date: 2001-01-01
Stop Date: 2001-01-31
Platform
LABORATORY Ancillary Description
Quality Refer to Sowers et al. (2005) for quality assessment information.
Data Set Progress
COMPLETE
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 Format: Microsoft Excel
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Personnel
Role: INVESTIGATOR
Phone: 814-863-8093
Fax: 814-863-8724
Email: todd.sowers5 at gmail.com, sowers at geosc.psu.edu
Contact Address:
237 Deike Building, Dept. of Geosciences
Penn State University
City: University Park
Province or State: Pennsylvania
Postal Code: 16802
Country: USA
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Publications/References
Leckrone, K. J., and J. M. Hayes. 1998. Water-induced errors in continuous flow carbon isotope ratio mass spectrometry. Analytical Chemistry 70, 2737-2744.

Miller, J. B., K. A. Mack, R. Dissly, J. W. C. White, E. J. Dlugokencky, and P. Tans. 2002. Development of analytical methods and measurements of 13C/12C in atmospheric CH4 from the NOAA Climate Monitoring and Diagnostics Laboratory Global ... View entire text
Creation and Review Dates
DIF Creation Date: 2007-07-09
Last DIF Revision Date: 2012-05-14
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