2023
DOI: 10.1029/2022gl101687
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Activation of Existing Surface Crevasses Has Limited Impact on Grounding Line Flux of Antarctic Ice Streams

Abstract: Recent studies have identified widespread vulnerable ice shelf regions in Antarctica which are both highly buttressed and susceptible to crevasse hydrofracturing, raising concern for potential crevasse driven ice‐shelf collapse and future sea level rise. Here, we employ the finite element ice flow model, Úa, to investigate whether crevasses which have propagated through the entire ice column have a significant impact on upstream flow and quantify their contribution to sea level rise. We find a large variabilit… Show more

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