Articles | Volume 15, issue 1
https://doi.org/10.5194/tc-15-459-2021
https://doi.org/10.5194/tc-15-459-2021
Research article
 | 
28 Jan 2021
Research article |  | 28 Jan 2021

Sensitivity of the Antarctic ice sheets to the warming of marine isotope substage 11c

Martim Mas e Braga, Jorge Bernales, Matthias Prange, Arjen P. Stroeven, and Irina Rogozhina

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Short summary
We combine a computer model with different climate records to simulate how Antarctica responded to warming during marine isotope substage 11c, which can help understand Antarctica's natural drivers of change. We found that the regional climate warming of Antarctica seen in ice cores was necessary for the model to match the recorded sea level rise. A collapse of its western ice sheet is possible if a modest warming is sustained for ca. 4000 years, contributing 6.7 to 8.2 m to sea level rise.