Articles | Volume 19, issue 6
https://doi.org/10.5194/tc-19-2289-2025
https://doi.org/10.5194/tc-19-2289-2025
Research article
 | 
27 Jun 2025
Research article |  | 27 Jun 2025

Role of elevation feedbacks and ice sheet–climate interactions on future Greenland ice sheet melt

Thirza Feenstra, Miren Vizcaino, Bert Wouters, Michele Petrini, Raymond Sellevold, and Katherine Thayer-Calder

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Latest update: 19 Jul 2025
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Short summary
We present the first evaluation of Greenland ice sheet (GrIS) and climate feedbacks with a CMIP model. Under 4×CO2 forcing, lower elevations reduce GrIS summer blocking and incoming solar radiation and increase precipitation. Simulated increases of near-surface summer temperature are much lower than the 6 K km-1 lapse rate that is commonly used in non-coupled simulations. CO2 reduction to pre-industrial (PI) halts GrIS mass loss regardless of higher global warming and albedo than PI control.
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