Articles | Volume 13, issue 10
The Cryosphere, 13, 2789–2796, 2019
https://doi.org/10.5194/tc-13-2789-2019
The Cryosphere, 13, 2789–2796, 2019
https://doi.org/10.5194/tc-13-2789-2019

Brief communication 29 Oct 2019

Brief communication | 29 Oct 2019

Brief communication: Subglacial lake drainage beneath Isunguata Sermia, West Greenland: geomorphic and ice dynamic effects

Stephen J. Livingstone et al.

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Interactive discussion

Status: closed
Status: closed
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
ED: Publish subject to minor revisions (review by editor) (20 Sep 2019) by Kenichi Matsuoka
AR by Stephen Livingstone on behalf of the Authors (20 Sep 2019)  Author's response    Manuscript
ED: Publish subject to technical corrections (01 Oct 2019) by Kenichi Matsuoka
AR by Stephen Livingstone on behalf of the Authors (05 Oct 2019)  Author's response    Manuscript
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Short summary
We report three new subglacial lakes close to the ice sheet margin of West Greenland. The lakes drained and refilled once each between 2009 and 2017, with two lakes draining in < 1 month during August 2014 and August 2015. The 2015 drainage caused a ~ 1-month down-glacier slowdown in ice flow and flooded the foreland, significantly modifying the braided river and depositing up to 8 m of sediment. These subglacial lakes offer accessible targets for future investigations and exploration.