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Analysis of Siple Dome Ice Core: Carbonyl Sulfide (COS), Methyl Chloride (CH3Cl), and Methyl Bromide (CH3Br) Data DOI: https://doi.org/10.7265/N53B5X3G Cite as Saltzman, E., & Aydin, M. (2005) "Analysis of Siple Dome Ice Core: Carbonyl Sulfide (COS), Methyl Chloride (CH3Cl), and Methyl Bromide (CH3Br)" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.7265/N53B5X3G. AMD - DIF Record(s) NSIDC-0279_1 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 researchers with a record of natural climatic variability and anthropogenic influence on biogeochemical cycles. Because ice cores contain an archive of preindustrial air, a baseline can be established, and the extent of human impact on the climate can be ascertained. This data set includes mixing ratios of carbonyl sulfide (COS), methyl chloride (CH3Cl), and methyl bromide (CH3Br). Data samples were retrieved from the Siple C ice core, which was drilled at 81.65° S, 148.81° W in December 1995. The core site sits 620 m above sea level near the edge of the Ross Ice Shelf where there is a mean annual temperature of -25.4 °C. Data are available via FTP. Creator(s): Saltzman, Eric; Aydin, Murat Date Created: 2005-11-16 Repository: USAP-DC (current) - NSIDC (original) License: Creative Commons Attribution-NonCommercial v4.0 Generic [CC BY-NC 4.0] Spatial Extent(s) West: -148.81, East: -148.81, South: -81.65, North: -81.65 Award(s) NSF 0338359 Version: 1 Related Project(s) Methyl chloride and methyl bromide in Antarctic ice cores References 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) 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. (doi:10.1029/2003GL018750) Chin, M., and D. Davis. 1995. A reanalysis of carbonyl sulfide as a source of stratospheric background sulfur aerosol. Journal of Geophysical Research. Vol. 100. 8993-9005. (doi:10.1029/95JD00275) Ko, M. K. W., et al. 2003. Very short-lived halogen and sulfur substances. Scientific Assessment of Ozone Depletion: 2002, Global Ozone Research and Monitoring Project Reports. 47. World Meteorological Organization. Geneva, Switzerland. 2.1-2.57. Montzka, S. A., M. Aydin, J. H. Butler, M. Battle, E. S. Saltzman, B. D. Hall, A. D. Clark, D. Mondeel, and J. W. Elkins. 2004. A 350 year history for carbonyl sulfide inferred from Antarctic firn air and air trapped in ice. Journal of Geophysical Research. Vol. 109. D22302, doi: 10.1029/2004JD004686. (doi:10.1029/2004JD004686) Saltzman, E. S., M. Aydin, W. J. De Bruyn, D. B. King, and S. A. Yvon-Lewis. 2004. Methyl bromide in preindustrial air: measurements from an Antarctic ice core. Journal of Geophysical Research. Vol. 109. No. D5, D0530, doi: 10.1029/2003JD004157. (doi:10.1029/2003JD004157) Keywords Antarctica Chemistry:ice Geochemistry Glaciers/ice Sheet Glaciology Ice Core Records Paleoclimate Siple Dome Siple Dome Ice Core WAISCORES