Articles | Volume 12, issue 6
The Cryosphere, 12, 2039–2050, 2018
https://doi.org/10.5194/tc-12-2039-2018
The Cryosphere, 12, 2039–2050, 2018
https://doi.org/10.5194/tc-12-2039-2018

Research article 15 Jun 2018

Research article | 15 Jun 2018

Bathymetric controls on calving processes at Pine Island Glacier

Jan Erik Arndt et al.

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Short summary
The calving line location of the Pine Island Glacier did not show any trend within the last 70 years until calving in 2015 led to unprecedented retreat. In February 2017 we accessed this previously ice-shelf-covered area with RV Polarstern and mapped the sea-floor topography for the first time. Satellite imagery of the last decades show how the newly mapped shoals affected the ice shelf development and highlights that sea-floor topography is an important factor in initiating calving events.