Articles | Volume 9, issue 7
Model description paper
27 Jul 2016
Model description paper |  | 27 Jul 2016

Comparison of adjoint and nudging methods to initialise ice sheet model basal conditions

Cyrille Mosbeux, Fabien Gillet-Chaulet, and Olivier Gagliardini


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
AR by Cyrille Mosbeux on behalf of the Authors (20 May 2016)  Author's response    Manuscript
ED: Publish subject to technical corrections (06 Jun 2016) by Anne Le Brocq
Short summary
Model projections of ice sheet contribution to 21st century sea level rise are greatly affected by initial conditions. Solutions have been developed to infer the friction of the ice on its bedrock using observed surface velocities. A drawback of these methods is that remaining uncertainties, especially in the bedrock elevation, lead to non-physical ice flux divergence anomalies. Here, we compare two different solutions able to infer both bedrock friction and elevation with good performance.