Articles | Volume 17, issue 1
Research article
11 Jan 2023
Research article |  | 11 Jan 2023

Antarctic contribution to future sea level from ice shelf basal melt as constrained by ice discharge observations

Eveline C. van der Linden, Dewi Le Bars, Erwin Lambert, and Sybren Drijfhout


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Short summary
The Antarctic ice sheet (AIS) is the largest uncertainty in future sea level estimates. The AIS mainly loses mass through ice discharge, the transfer of land ice into the ocean. Ice discharge is triggered by warming ocean water (basal melt). New future estimates of AIS sea level contributions are presented in which basal melt is constrained with ice discharge observations. Despite the different methodology, the resulting projections are in line with previous multimodel assessments.