Articles | Volume 10, issue 1
The Cryosphere, 10, 459–463, 2016
https://doi.org/10.5194/tc-10-459-2016
The Cryosphere, 10, 459–463, 2016
https://doi.org/10.5194/tc-10-459-2016

Brief communication 01 Mar 2016

Brief communication | 01 Mar 2016

Brief Communication: Upper-air relaxation in RACMO2 significantly improves modelled interannual surface mass balance variability in Antarctica

Willem Jan van de Berg and Brooke Medley

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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 Svenja Lange on behalf of the Authors (06 Jan 2016)  Author's response
ED: Publish as is (20 Jan 2016) by G. Hilmar Gudmundsson
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Short summary
Regional climate models improve the spatial surface mass balance (SMB) patterns in Antarctica compared to reanalyses, but they deteriorate the representation of interannual variability in SMB. Hence, we implemented additional nudging in our regional climate model RACMO2. Using annual SMB observations of the Twaites drainage basin, Antarctica, we show that this nudging vastly improves the representation of interannual variability without significant deterioration of the modelled mean SMB fields.