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

Livingstone, Stephen J.; Sole, Andrew J.; Storrar, Robert D.; Harrison, Devin; Ross, Neil; Bowling, Jade

doi:https://doi.org/10.5194/tc-13-2789-2019

Articles | Volume 13, issue 10

https://doi.org/10.5194/tc-13-2789-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/tc-13-2789-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 13, issue 10

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, Andrew J. Sole, Robert D. Storrar, Devin Harrison, Neil Ross, and Jade Bowling

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Final revised paper (published on 29 Oct 2019)
Preprint (discussion started on 03 Jul 2019)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Referee comment on “Brief Communication: Outburst floods triggered by periodic drainage of subglacial lakes, Isunguata Sermia, West Greenland” by Livingstone et al.', Katrin Lindbäck, 13 Aug 2019
- AC1: 'Reply to Reviewer 1 Comments', Stephen Livingstone, 19 Sep 2019
RC2: 'Review', Martin Lüthi, 26 Aug 2019
- AC2: 'Reply to Reviewer 2 Comments', Stephen Livingstone, 19 Sep 2019

Peer-review completion

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

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.