Articles | Volume 14, issue 4
https://doi.org/10.5194/tc-14-1187-2020
https://doi.org/10.5194/tc-14-1187-2020
Research article
 | 
08 Apr 2020
Research article |  | 08 Apr 2020

How useful is snow accumulation in reconstructing surface air temperature in Antarctica? A study combining ice core records and climate models

Quentin Dalaiden, Hugues Goosse, François Klein, Jan T. M. Lenaerts, Max Holloway, Louise Sime, and Elizabeth R. Thomas

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Latest update: 28 Nov 2023
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Short summary
Large uncertainties remain in Antarctic surface temperature reconstructions over the last millennium. Here, the analysis of climate model outputs reveals that snow accumulation is a more relevant proxy for surface temperature reconstructions than δ18O. We use this finding in data assimilation experiments to compare to observed surface temperatures. We show that our continental temperature reconstruction outperforms reconstructions based on δ18O, especially for East Antarctica.