USAP-DC

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Temperature, accumulation rate, and layer thinning from the South Pole ice core (SPC14) Data DOI: https://doi.org/10.15784/601396 Cite as Kahle, E., Buizert, C., Conway, H., Epifanio, J., Fudge, T. J., Jones, T. R., et al. (2020) "Temperature, accumulation rate, and layer thinning from the South Pole ice core (SPC14)" U.S. Antarctic Program (USAP) Data Center. doi: https://doi.org/10.15784/601396. AMD - DIF Record(s) USAP-1443105_1 Abstract This data set provides the input and output data used in Kahle et al. 2020 to reconstruct climate variables at the South Pole. The files below include high resolution water isotopes, water isotope diffusion length, and various reconstructions of temperature, accumulation rate, and thinning function for the SPC14 ice core. An inverse approach was used to combine information from water isotope diffusion length, Dage, and annual-layer thickness to solve for temperature, accumulation rate, and thinning function. Corrections were applied to account for the advection of ice from upstream to yield estimates for the South Pole site. Updated data for Hires_Water_Isotopes_halfcm.txt is available at www.usap-dc.org/view/dataset/601429. Creator(s): Kahle, Emma; Steig, Eric J.; Jones, Tyler R.; Fudge, T. J.; Koutnik, Michelle; Morris, Valerie; Vaughn, Bruce; Schauer, Andrew; Stevens, Max; Conway, Howard; Waddington, Edwin D.; Buizert, Christo; Epifanio, Jenna; White, James Date Created: 2020-10-28 Repository: USAP-DC (current) License: Creative Commons Zero v1.0 Universal [CC0 1.0] Spatial Extent(s) West: 180, East: 180, South: -90, North: -90 Award(s) NSF 1443105 Version: 1 Related Project(s) Collaborative Research: Record of the Triple-oxygen Isotope and Hydrogen Isotope Composition of Ice from an Ice Core at South Pole Collaborative Research: A 1500m Ice Core from South Pole References Kahle, E. C., Steig, E. J., Jones, T. R., Fudge, T. J., Koutnik, M. R., Morris, V., … White, J. W. C. (2020). Reconstruction of temperature, accumulation rate, and layer thinning from an ice core at South Pole using a statistical inverse method. (doi:10.1002/essoar.10503447.1) Fudge, T. J., Lilien, D. A., Koutnik, M., Conway, H., Stevens, C. M., Waddington, E. D., Steig, E. J., Schauer, A. J., and Holschuh, N. (2020). Advection and non-climate impacts on the South Pole Ice Core. Clim. Past, 16, 819832 (doi:10.5194/cp-16-819-2020) Kahle, E. C., Holme, C., Jones, T. R., Gkinis, V., & Steig, E. J. (2018). A Generalized Approach to Estimating Diffusion Length of Stable Water Isotopes From Ice‐Core Data. Journal of Geophysical Research: Earth Surface, 123(10), 2377--2391. (doi:https://doi.org/10.1029/2018JF004764) Steig, E.J., Jones, T.R., Schauer, A.J., Kahle, E.C., Morris, V.A., Vaughn, B.H., Davidge, L., White, J.W.C. (2021) Continuous-flow analysis of δ17O, δ18O, and δD of H2O on an ice core from the South Pole. Frontiers in Earth Sciences. (doi:10.3389/feart.2021.640292) Keywords Accumulation Antarctica Diffusion Length Glaciers/ice Sheet Glaciology Ice Core Records Ice Dynamic Layer Thinning Oxygen Isotope South Pole SPICEcore Temperature