USAP-DC

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Deuterium isotopic composition of atmospheric methane across Dansgaard Oesgher Event 8, Talos Dome Ice Core, Antarctica Data DOI: https://doi.org/10.15784/601814 Cite as Riddell-Young, B., Bauska, T., Brook, E. J., Clark, R., Fischer, H., Iseli, R., et al. (2024) "Deuterium isotopic composition of atmospheric methane across Dansgaard Oesgher Event 8, Talos Dome Ice Core, Antarctica" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601814. Abstract This dataset includes measurements of the Deuterium isotopic Composition of Atmospheric Methane (δD-CH4) of gas bubbles from the Talos Dome Ice Core (TALDICE). All measurements were made at the University of Bern Ice Core Laboratory (Bern, Switzerland) using a new methane stable isotope analytical system. The data are displayed as a function of TALDICE depth and were corrected for gravitational and diffusional fractionation that occurs in the firn column according to Buizert et al., 2013. 1-sigma measurement uncertainty is also included and is determined from analytical uncertainty and uncertainties associated with diffusional and gravitational fractionation. Additional funding for this work was provided by the Swiss National Foundation: Award #200020_172506, and #200020B_200328L. Creator(s): Riddell-Young, Benjamin; Iseli, Rene; Lee, James; Brook, Edward; Schmitt, Jochen; Fischer, Hubertus; Bauska, Thomas; Menking, James; Clark, Reid Date Created: 2024-07-23 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Version: 1 Keywords Abrupt Climate Change Antarctica Biogeochemical Cycles Carbon Cycle Cryosphere Talos Dome