Dataset Information
Methane and Carbonyl Sulfide Analysis of Siple Dome Ice Core Subsamples
Data DOI:
Cite as
Saltzman, E., & Aydin, M. (2002) "Methane and Carbonyl Sulfide Analysis of Siple Dome Ice Core Subsamples" U.S. Antarctic Program (USAP) Data Center. doi:
AMD - DIF Record(s)
This data set is part of the West Antarctic Ice Sheet cores (WAISCORES) project, an NSF-funded project to understand the influence of the West Antarctic ice sheet on climate and sea level change. WAISCORES researchers acquired and analyzed ice cores from the Siple Dome, in the Siple Coast region, West Antarctica. Siple Dome ice cores were analyzed for methanesulfonate (MSA) and carbonyl sulfide (OCS). The methanesulfonate analysis was done on cores A-E and a hot water core, and the carbonyl sulfide analysis was done on 11 C cores. Methanesulfonate data include the sample identification number, depth, and methanesulfonate parts per billion (ppb) of each sample. Carbonyl sulfide data include the depth, OCS parts per trillion (ppt) of each sample, percent error, and gas age (years). Data are available via FTP in tab-delimited ASCII text (.dat, .txt) file format.
Date Created:
USAP-DC (current) - NSIDC (original)
Spatial Extent(s)
West: -149, East: -149, South: -81, North: -81
Temporal Extent(s)
Start: 1996-01-01 - End: 1999-12-31
  1. Aydin, M., W. J. De Bruyn, and E. S. Saltzman. 2002. Preindustrial Atmospheric Carbonyl Sulfide (OCS) from an Antarctic Ice Core. Geophysical Research Letters 29(9), 1359. (doi:10.1029/2002GL014796)
  2. Etheridge, D. M., G. I. Pearman, and F. de Silva. 1988. Atmospheric Trace-gas Variations as Revealed by Air Trapped in an Ice Core from Law Dome, Antarctica. Annals of Glaciology 10, 28-33. (doi:10.3189/S0260305500004110)
  3. Schwander, J. 1989. The Transformation of Snow to Ice and the Occlusion of Gases. In The Environmental Record in Glaciers and Ice Sheets, edited by H. Oeschger and C. C. Langway. John Wiley, New York.
  4. Schwander, J., B. Stauffer, and A. Sigg. 1988. Air Mixing in Firn and the Age of the Air at Pore Close-off. Annals of Glaciology 10, 141-145. (doi:10.3189/S0260305500004328)
  5. Sowers, T. and J. Jubenville. 2000. A Modified Extraction Technique for Liberating Occluded Gases from Ice Cores. Journal of Geophysical Research 105, 29155-29164. (doi:10.1029/2000JD900335)
  6. Trudinger, C.M., I.G. Enting, D. M. Etheridge, R. J. Francey, V. A. Levchenko, L. P. Steele, D. Raynaud, and L. Arnaud. 1997. Modeling Air Movement and Bubble Trapping in Firn. Journal of Geophysical Research 102, 6747-6763. (doi:10.1029/96JD03382)
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