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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 5
The Cryosphere, 9, 1831-1844, 2015
https://doi.org/10.5194/tc-9-1831-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
The Cryosphere, 9, 1831-1844, 2015
https://doi.org/10.5194/tc-9-1831-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 18 Sep 2015

Research article | 18 Sep 2015

Evaluation of the updated regional climate model RACMO2.3: summer snowfall impact on the Greenland Ice Sheet

B. Noël et al.
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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Anna Mirena Feist-Polner on behalf of the Authors (21 Jul 2015)  Author's response
ED: Publish subject to minor revisions (Editor review) (23 Jul 2015) by Martin Sharp
AR by Brice Noel on behalf of the Authors (29 Jul 2015)  Author's response    Manuscript
ED: Publish subject to technical corrections (18 Aug 2015) by Martin Sharp
Publications Copernicus
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Short summary
We compare Greenland Ice Sheet surface mass balance (SMB) from the updated polar version of the regional climate model RACMO2.3 and the previous version 2.1. RACMO2.3 has an adjusted rainfall-to-snowfall conversion favouring summer snowfall over rainfall. Enhanced summer snowfall reduce melt rates in the ablation zone by covering dark ice with highly reflective fresh snow. This improves the modelled SMB-elevation gradient and surface energy balance compared to observations in west Greenland.
We compare Greenland Ice Sheet surface mass balance (SMB) from the updated polar version of the...
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