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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Volume 10, issue 6
The Cryosphere, 10, 2623–2635, 2016
https://doi.org/10.5194/tc-10-2623-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
The Cryosphere, 10, 2623–2635, 2016
https://doi.org/10.5194/tc-10-2623-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 09 Nov 2016

Research article | 09 Nov 2016

Dynamic influence of pinning points on marine ice-sheet stability: a numerical study in Dronning Maud Land, East Antarctica

Lionel Favier et al.
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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR by Anna Wenzel on behalf of the Authors (27 Sep 2016)  Author's response
ED: Referee Nomination & Report Request started (15 Oct 2016) by G. Hilmar Gudmundsson
RR by Anonymous Referee #2 (18 Oct 2016)
RR by Robert Arthern (20 Oct 2016)
ED: Publish as is (22 Oct 2016) by G. Hilmar Gudmundsson
Publications Copernicus
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Short summary
We demonstrate the short-term unstable retreat of an East Antarctic outlet glacier triggered by imposed sub-ice-shelf melt, compliant with current values, using a state-of-the-art ice-sheet model. We show that pinning points – topographic highs in contact with the ice-shelf base – have a major impact on ice-sheet stability and timing of grounding-line retreat. The study therefore calls for improving our knowledge of sub-ice-shelf bathymetry in order to reduce uncertainties in future ice loss.
We demonstrate the short-term unstable retreat of an East Antarctic outlet glacier triggered by...
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