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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Volume 11, issue 3
The Cryosphere, 11, 1371–1386, 2017
https://doi.org/10.5194/tc-11-1371-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Mass balance of the Greenland Ice Sheet

The Cryosphere, 11, 1371–1386, 2017
https://doi.org/10.5194/tc-11-1371-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 09 Jun 2017

Research article | 09 Jun 2017

Hypsometric amplification and routing moderation of Greenland ice sheet meltwater release

Dirk van As et al.
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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Dirk van As on behalf of the Authors (14 Apr 2017)  Author's response    Manuscript
ED: Publish subject to minor revisions (Editor review) (05 May 2017) by Lora Koenig
AR by Dirk van As on behalf of the Authors (05 May 2017)  Author's response    Manuscript
ED: Publish as is (08 May 2017) by Lora Koenig
Publications Copernicus
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Short summary
The Greenland ice sheet melts faster in a warmer climate. The ice sheet is flatter at high elevation, therefore atmospheric warming increases the melt area exponentially. For current climate conditions, we find that the ice sheet shape amplifies the total meltwater generation by roughly 60 %. Meltwater is not stored underneath the ice sheet, as previously found, but it does take multiple days for it to pass through the seasonally developing subglacial drainage channels, moderating discharge.
The Greenland ice sheet melts faster in a warmer climate. The ice sheet is flatter at high...
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