Articles | Volume 16, issue 9
Research article
29 Sep 2022
Research article |  | 29 Sep 2022

Hysteretic evolution of ice rises and ice rumples in response to variations in sea level

A. Clara J. Henry, Reinhard Drews, Clemens Schannwell, and Vjeran Višnjević


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Short summary
We used a 3D, idealised model to study features in coastal Antarctica called ice rises and ice rumples. These features regulate the rate of ice flow into the ocean. We show that when sea level is raised or lowered, the size of these features and the ice flow pattern can change. We find that the features depend on the ice history and do not necessarily fully recover after an equal increase and decrease in sea level. This shows that it is important to initialise models with accurate ice geometry.