USAP-DC

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Noble Gas Data from recent ice in Antarctica for 86Kr problem Data DOI: https://doi.org/10.15784/601195 Cite as Severinghaus, J. P., & Shackleton, S. (2019) "Noble Gas Data from recent ice in Antarctica for 86Kr problem" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601195. AMD - DIF Record(s) USAP-1543229_1 Abstract This data comprises a survey of Recent ice from multiple sites in Antarctica using shallow ice cores to examine noble gas values in ice that nominally has the same Mean Ocean Temperature as today. The goal is to elucidate fractionation that occurs in the firn before air is trapped in bubbles in the ice, by making the assumption that the atmosphere noble gas content has not changed since this air was trappped. The ages of the air samples are typically early Industrial Revolution or late Holocene. Creator(s): Severinghaus, Jeffrey; Shackleton, Sarah Date Created: 2019-08-02 Repository: USAP-DC (current) License: Creative Commons Attribution-NonCommercial v4.0 Generic [CC BY-NC 4.0] Spatial Extent(s) West: -180, East: 180, South: -90, North: -60 Award(s) NSF 1543229 Version: 1 Related Project(s) Collaborative research: Kr-86 as a proxy for barometric pressure variability and movement of the SH westerlies during the last deglaciation References Birner, B., C. Buizert, T. J. W. Wagner, J. P. Severinghaus (2018). The influence of layering and barometric pumping on firn air transport in a 2D model, The Cryosphere 12, 2021–2037. (doi:10.5194/tc-12-2021-2018) Keywords Antarctica Glaciers/ice Sheet Glaciology Ice Core Data Krypton Noble Gas Xenon