Articles | Volume 12, issue 12
https://doi.org/10.5194/tc-12-3907-2018
https://doi.org/10.5194/tc-12-3907-2018
Research article
 | 
18 Dec 2018
Research article |  | 18 Dec 2018

Velocity response of Petermann Glacier, northwest Greenland, to past and future calving events

Emily A. Hill, G. Hilmar Gudmundsson, J. Rachel Carr, and Chris R. Stokes

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Short summary
Floating ice tongues in Greenland buttress inland ice, and their removal could accelerate ice flow. Petermann Glacier recently lost large sections of its ice tongue, but there was little glacier acceleration. Here, we assess the impact of future calving events on ice speeds. We find that removing the lower portions of the ice tongue does not accelerate flow. However, future iceberg calving closer to the grounding line could accelerate ice flow and increase ice discharge and sea level rise.