USAP-DC

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CO2 amount fractions from WAIS Divide, Antarctica Data DOI: https://doi.org/10.15784/601775 Cite as Wendt, K. (2024) "CO2 amount fractions from WAIS Divide, Antarctica" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/None. Abstract This data set contains measurements of carbon dioxide (CO2) amount fractions in gas bubbles from the WAIS Divide ice core WD06. All measurements were made in the Ice Core Laboratory at Oregon State University in Corvallis, Oregon USA. The data set includes the replicate-mean values and measurement precision (1 sigma standard error) from all CO2 measurements published in Wendt et al. (2024) PNAS. Bauska et al. (2021) Nature Geoscience, and Marcott et al. (2014) Nature. See respective publications for details. Ages listed in years before 1950 AD on the WD2014 timescale (see Buizert et al., 2015 and Sigl et al., 2014 for chronology details). Creator(s): Wendt, Kathleen Date Created: 2024-04-18 Repository: USAP-DC (current) License: Creative Commons Attribution Only v4.0 Generic [CC BY 4.0] Spatial Extent(s) West: -112, East: -112, South: -79, North: -79 Award(s) NSF 1906143 Version: 1 References Marcott, S. A., Bauska, T. K., Buizert, C., Steig, E. J., Rosen, J. L., Cuffey, K. M., ... & Brook, E. J. Centennial-scale changes in the global carbon cycle during the last deglaciation. Nature, 514 (2014). (doi:10.1038/nature13799) Bauska, T.K., Marcott, S.A. & Brook, E.J. Abrupt changes in the global carbon cycle during the last glacial period. Nat. Geosci. 14, 91–96 (2021). (doi:10.1038/s41561-020-00680-2) Wendt, K. A., Nehrbass-Ahles, C., Niezgoda, K., Noone, D., Kalk, M., Menviel, L., Gottschalk, J., Rae, J., Schmitt, J., Fischer, H., Stocker, T., Muglia, J., Ferreira, D., Brook, E., and Buizert, C. Abrupt Southern Ocean CO2 Ventilation during Heinrich Stadials. Proceedings of the National Academy of Sciences. 121, 21 (2024). (doi:10.1073/pnas.2319652121) Keywords Antarctica CO2 Cryosphere Ice Core Data WAIS Divide Ice Core West Antarctic Ice Sheet Divide