Articles | Volume 13, issue 10
https://doi.org/10.5194/tc-13-2657-2019
https://doi.org/10.5194/tc-13-2657-2019
Research article
 | 
11 Oct 2019
Research article |  | 11 Oct 2019

Impact of frontal ablation on the ice thickness estimation of marine-terminating glaciers in Alaska

Beatriz Recinos, Fabien Maussion, Timo Rothenpieler, and Ben Marzeion

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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
AR by Beatriz Recinos on behalf of the Authors (10 Apr 2019)  Manuscript 
ED: Referee Nomination & Report Request started (02 May 2019) by Etienne Berthier
RR by Douglas Brinkerhoff (16 May 2019)
RR by Anonymous Referee #1 (18 May 2019)
ED: Reconsider after major revisions (24 May 2019) by Etienne Berthier
AR by Beatriz Recinos on behalf of the Authors (05 Jul 2019)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (19 Jul 2019) by Etienne Berthier
RR by Douglas Brinkerhoff (01 Aug 2019)
RR by Anonymous Referee #1 (08 Aug 2019)
ED: Publish subject to minor revisions (review by editor) (20 Aug 2019) by Etienne Berthier
AR by Beatriz Recinos on behalf of the Authors (06 Sep 2019)  Author's response   Manuscript 
ED: Publish subject to technical corrections (11 Sep 2019) by Etienne Berthier
AR by Beatriz Recinos on behalf of the Authors (12 Sep 2019)  Author's response   Manuscript 
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Short summary
We have implemented a frontal ablation parameterization into the Open Global Glacier Model and have shown that inversion methods based on mass conservation systematically underestimate the mass turnover (and therefore the thickness) of tidewater glaciers when neglecting frontal ablation. This underestimation can rise up to 19 % on a regional scale. Not accounting for frontal ablation will have an impact on the estimate of the glaciers’ potential contribution to sea level rise.