Articles | Volume 15, issue 3
The Cryosphere, 15, 1435–1451, 2021
https://doi.org/10.5194/tc-15-1435-2021
The Cryosphere, 15, 1435–1451, 2021
https://doi.org/10.5194/tc-15-1435-2021

Research article 22 Mar 2021

Research article | 22 Mar 2021

Basal traction mainly dictated by hard-bed physics over grounded regions of Greenland

Nathan Maier et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to revisions (further review by editor and referees) (15 Nov 2020) by Joseph MacGregor
AR by NATHAN Maier on behalf of the Authors (16 Nov 2020)  Author's response    Manuscript
ED: Publish subject to revisions (further review by editor and referees) (16 Nov 2020) by Joseph MacGregor
ED: Referee Nomination & Report Request started (30 Nov 2020) by Joseph MacGregor
RR by Bradley Lipovsky (05 Jan 2021)
RR by Anonymous Referee #2 (19 Jan 2021)
ED: Publish subject to minor revisions (review by editor) (20 Jan 2021) by Joseph MacGregor
AR by NATHAN Maier on behalf of the Authors (27 Jan 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (28 Jan 2021) by Joseph MacGregor
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Short summary
In Greenland, ice motion and the surface geometry depend on the friction at the bed. We use satellite measurements and modeling to determine how ice speeds and friction are related across the ice sheet. The relationships indicate that ice flowing over bed bumps sets the friction across most of the ice sheet's on-land regions. This result helps simplify and improve our understanding of how ice motion will change in the future.