Articles | Volume 9, issue 3
The Cryosphere, 9, 1005–1024, 2015
https://doi.org/10.5194/tc-9-1005-2015
The Cryosphere, 9, 1005–1024, 2015
https://doi.org/10.5194/tc-9-1005-2015

Research article 13 May 2015

Research article | 13 May 2015

Oceanic and atmospheric forcing of Larsen C Ice-Shelf thinning

P. R. Holland et al.

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Short summary
Antarctic Peninsula ice shelves have collapsed in recent decades. The surface of Larsen C Ice Shelf is lowering, but the cause of this has not been understood. This study uses eight radar surveys to show that the lowering is caused by both ice loss and a loss of air from the ice shelf's snowpack. At least two different processes are causing the lowering. The stability of Larsen C may be at risk from an ungrounding of Bawden Ice Rise or ice-front retreat past a 'compressive arch' in strain rates.