Articles | Volume 14, issue 10
The Cryosphere, 14, 3309–3327, 2020
https://doi.org/10.5194/tc-14-3309-2020

Special issue: The Ice Sheet Model Intercomparison Project for CMIP6...

The Cryosphere, 14, 3309–3327, 2020
https://doi.org/10.5194/tc-14-3309-2020

Research article 02 Oct 2020

Research article | 02 Oct 2020

Sensitivity of Greenland ice sheet projections to spatial resolution in higher-order simulations: the Alfred Wegener Institute (AWI) contribution to ISMIP6 Greenland using the Ice-sheet and Sea-level System Model (ISSM)

Martin Rückamp 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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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to revisions (further review by editor and referees) (23 May 2020) by Robin Smith
AR by Martin Rückamp on behalf of the Authors (15 Jun 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (17 Jun 2020) by Robin Smith
RR by Anonymous Referee #2 (29 Jun 2020)
RR by Anonymous Referee #1 (07 Jul 2020)
ED: Publish subject to minor revisions (review by editor) (08 Jul 2020) by Robin Smith
AR by Martin Rückamp on behalf of the Authors (13 Jul 2020)  Author's response    Manuscript
ED: Publish subject to technical corrections (28 Jul 2020) by Robin Smith
AR by Martin Rückamp on behalf of the Authors (21 Aug 2020)  Author's response    Manuscript
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Short summary
Estimates of future sea-level contribution from the Greenland ice sheet have a large uncertainty based on different origins. We conduct numerical experiments to test the sensitivity of Greenland ice sheet projections to spatial resolution. Simulations with a higher resolution unveil up to 5 % more sea-level rise compared to coarser resolutions. The sensitivity depends on the magnitude of outlet glacier retreat. When no retreat is enforced, the sensitivity exhibits an inverse behaviour.