Articles | Volume 20, issue 8
https://doi.org/10.5194/tc-20-4747-2026
https://doi.org/10.5194/tc-20-4747-2026
Research article
 | 
26 Aug 2026
Research article |  | 26 Aug 2026

On the non-linear response of Antarctic ice shelf surface melt to warming

Marte Gé Hofsteenge, Willem Jan van de Berg, Christiaan van Dalum, Kristiina Verro, Maurice van Tiggelen, and Michiel van den Broeke

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Latest update: 26 Aug 2026
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Short summary
We use a regional climate model to study how surface melt on Antarctic ice shelves responds to air temperature. The relationship is strongly non-linear, mainly due to feedbacks in surface albedo, with other energy sources also contributing. Currently colder, drier, and more stable ice shelves will experience more melt at the same temperature than ice shelves in wetter climates, highlighting their vulnerability to fracturing, ice shelf instability, and contributions to global sea-level rise.
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