Articles | Volume 20, issue 1
https://doi.org/10.5194/cp-20-187-2024
https://doi.org/10.5194/cp-20-187-2024
Research article
 | 
18 Jan 2024
Research article |  | 18 Jan 2024

Relative importance of the mechanisms triggering the Eurasian ice sheet deglaciation in the GRISLI2.0 ice sheet model

Victor van Aalderen, Sylvie Charbit, Christophe Dumas, and Aurélien Quiquet

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Latest update: 17 Apr 2024
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Short summary
We present idealized numerical experiments to test the main mechanisms that triggered the deglaciation of the past Eurasian ice sheet. Simulations were performed with the GRISLI2.0 ice sheet model. The results indicate that the Eurasian ice sheet was primarily driven by surface melting, due to increased atmospheric temperatures. Basal melting below the ice shelves is only a significant driver if ocean temperatures increase by nearly 10 °C, in contrast with the findings of previous studies.