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Methane Concentration and Chronology from the WAIS Divide Ice Core (WDC05A) Data DOI: https://doi.org/10.7265/N5319SV3 Cite as Mitchell, L. E., Brook, E. J., McConnell, J., Sowers, T. A., & Taylor, K. C. (2011) "Methane Concentration and Chronology from the WAIS Divide Ice Core (WDC05A)" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.7265/N5319SV3. AMD - DIF Record(s) NSIDC-0493_1 Abstract This data set provides a high-precision and high-resolution record of atmospheric methane from the West Antarctic Ice Sheet (WAIS) Divide ice core WDC05A, spanning the years 1000 to 1800 C.E. The data include methane (CH4) concentration measurements and ice age chronology. Methane concentration data include mean sample depth, gas age, mean concentration, and concentrations from individual measurements, at a temporal resolution of approximately nine years. Ice chronology data include depth and ice age. Data are available via FTP, in Microsoft Excel (.xlsx) format. Creator(s): Mitchell, Logan E; Brook, Edward J.; Sowers, Todd A.; McConnell, Joseph; Taylor, Kendrick C. Date Created: 2011-05-27 Repository: USAP-DC (current) - NSIDC (original) License: Creative Commons Attribution-NonCommercial v4.0 Generic [CC BY-NC 4.0] Spatial Extent(s) West: 112.09, East: 112.09, South: -79.47, North: -79.47 Award(s) NSF 0520523 NSF 0538427 NSF 0538538 NSF 0538578 NSF 0739780 Version: 1 Related Project(s) Collaborative Research: Gases in Firn Air and Shallow Ice at the Proposed WAIS Divide Drilling Site References Mitchell, L.E., Brook, E.J., Sowers, T. and McConnell, J.R. 2011. Multidecadal variability of atmospheric methane, 1000-1800 C.E. Journal of Geophysical Research, 116(G02007). doi: 10.1029/2010JG001441. (doi:10.1029/2010JG001441) Keywords Antarctica Chemistry:fluid Geochemistry Glaciers/ice Sheet Ice Core Records Paleoclimate WAIS Divide WAIS Divide Ice Core