Articles | Volume 12, issue 9
The Cryosphere, 12, 2831–2854, 2018
https://doi.org/10.5194/tc-12-2831-2018
The Cryosphere, 12, 2831–2854, 2018
https://doi.org/10.5194/tc-12-2831-2018

Research article 05 Sep 2018

Research article | 05 Sep 2018

A constraint upon the basal water distribution and thermal state of the Greenland Ice Sheet from radar bed echoes

Thomas M. Jordan et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Thomas Jordan on behalf of the Authors (23 Jun 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (16 Jul 2018) by Kenichi Matsuoka
ED: Publish subject to technical corrections (07 Aug 2018) by Kenichi Matsuoka
AR by Thomas Jordan on behalf of the Authors (15 Aug 2018)  Author's response    Manuscript
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Short summary
Here, via analysis of radio-echo sounding data, we place a new observational constraint upon the basal water distribution beneath the Greenland Ice Sheet. In addition to the outlet glaciers, we demonstrate widespread water storage in the northern and eastern ice-sheet interior, a notable feature being a "corridor" of basal water extending from NorthGRIP to Petermann Glacier. The basal water distribution and its relationship with basal temperature provides a new constraint for numerical models.