Articles | Volume 17, issue 1
https://doi.org/10.5194/cp-17-317-2021
https://doi.org/10.5194/cp-17-317-2021
Research article
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29 Jan 2021
Research article | Highlight paper |  | 29 Jan 2021

Greenland climate simulations show high Eemian surface melt which could explain reduced total air content in ice cores

Andreas Plach, Bo M. Vinther, Kerim H. Nisancioglu, Sindhu Vudayagiri, and Thomas Blunier

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Cited articles

Alley, R. B. and Anandakrishnan, S.: Variations in melt-Iayer frequency in the GISP2 ice core: implications for Holocene summer temperatures in central Greenland, available at: https://www.igsoc.org/annals/21/igs_annals_vol21_year1995_pg64-70.pdf (last access: 13 January 2021), 1995. a
Alley, R. B. and Koci, B. R.: Ice-Core Analysis at Site A, Greenland: Preliminary Results, Ann. Glaciol., 10, 1–4, https://doi.org/10.3189/S0260305500004067, 1988. a
Brun, E., David, P., Sudul, M., and Brunot, G.: A numerical model to simulate snow-cover stratigraphy for operational avalanche forecasting, J. Glaciol., 38, 13–22, https://doi.org/10.3189/S0022143000009552, 1992. a
CAPE Last Interglacial Project Members: Last Interglacial Arctic warmth confirms polar amplification of climate change, Quaternary Sci. Rev., 25, 1383–1400, https://doi.org/10.1016/j.quascirev.2006.01.033, 2006. a, b
Capron, E., Govin, A., Stone, E. J., Masson-Delmotte, V., Mulitza, S., Otto-Bliesner, B., Rasmussen, T. L., Sime, L. C., Waelbroeck, C., and Wolff, E. W.: Temporal and spatial structure of multi-millennial temperature changes at high latitudes during the Last Interglacial, Quaternary Sci. Rev., 103, 116–133, https://doi.org/10.1016/j.quascirev.2014.08.018, 2014. a, b
Short summary
In light of recent large-scale melting of the Greenland ice sheet (GrIS), e.g., in the summer of 2012 several days with surface melt on the entire ice sheet (including elevations above 3000 m), we use computer simulations to estimate the amount of melt during a warmer-than-present period of the past. Our simulations show more extensive melt than today. This is important for the interpretation of ice cores which are used to reconstruct the evolution of the ice sheet and the climate.