The Cryosphere
The Cryosphere
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Articles | Volume 19, issue 7
Articles | Volume 19, issue 7
https://doi.org/10.5194/tc-19-2495-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-2495-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 7
Brief communication
 | 
11 Jul 2025
Brief communication |  | 11 Jul 2025

Brief communication: Sensitivity of Antarctic ice shelf melting to ocean warming across basal melt models

Erwin Lambert and Clara Burgard

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Short summary
The effect of ocean warming on Antarctic ice-sheet melting is a major source of uncertainty in estimates of future sea level rise. We compare five melt models to show that ocean warming strongly increases melting. Despite their calibration based on present-day melting, the models disagree on the amount of melt increase. In some important regions, the difference reaches a factor 100. We conclude that using various melt models is important to accurately estimate uncertainties in future sea level rise.
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