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Early Holocene methane records from Siple Dome, Antarctica Data DOI: https://doi.org/10.15784/601055 Cite as Ahn, J., & Yang, J. (2017) "Early Holocene methane records from Siple Dome, Antarctica" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601055. AMD - DIF Record(s) NSF-ANT10-43518 Abstract Below we present the early Holocene discrete CH4 dataset from Siple Dome (SDMA), Antarctica, measured at Oregon State University (OSU) and Seoul National University (SNU) by discrete wet extraction technique. Analytical method is described in Grachev et al. (2009) and Mitchell et al. (2011) for OSU data, and Yang et al. (2017) for SNU data. SDMA CH4 composite record was constructed by combining OSU data for 7.6 - 9.0 ka and SNU data for 9.0 - 11.6 ka to maximize temporal resolution. SDMA gas chronology was synchronized to Greenland Ice Core Chronology 2005 (GICC05) scale. For detailed description on synchronization and age uncertainty please refer to Yang et al. (2017). Creator(s): Ahn, Jinho; Yang, Ji-Woong Date Created: 2017-09-11 Repository: USAP-DC (current) License: Creative Commons Attribution-NonCommercial v4.0 Generic [CC BY-NC 4.0] Spatial Extent(s) West: -113, East: -111, South: -80, North: -79 Temporal Extent(s) Start: 2011-03-01 - End: 2016-02-29 Award(s) NSF 1043518 Version: 1 Related Project(s) Collaborative Research: Completing an ultra-high resolution methane record from the WAIS Divide ice core References Ahn, J., E. J. Brook, and C. Buizert, 2014, Response of Atmospheric CO2 to the Abrupt Cooling Event 8200 Years Ago, Geophys. Res. Lett., 41, 604 – 609. (doi:10.1002/2013GL058177) Yang, J. -W., Ahn, J., Brook, E. J., and Ryu, Y.: Atmospheric methane contorl mechanisms during the early Holocnee, Clim. Past, 13, 1-15, 2017. Keywords Antarctica Chemistry:ice Geochemistry Glaciers/ice Sheet Glaciology Ice Core Records Methane Paleoclimate Siple Dome Siple Dome Ice Core