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

van de Berg, Willem Jan; Medley, Brooke

doi:https://doi.org/10.5194/tc-10-459-2016

Articles | Volume 10, issue 1

https://doi.org/10.5194/tc-10-459-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/tc-10-459-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 10, issue 1

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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Final revised paper (published on 01 Mar 2016)
Preprint (discussion started on 21 Sep 2015)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC C1770: 'Review', Xavier Fettweis, 01 Oct 2015
RC C1883: 'Review of tc-2015-147, by van de Berg and Medley', Anonymous Referee #2, 15 Oct 2015
AC C2629: 'Author responses to the reviews', Willem Jan van de Berg, 04 Jan 2016

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Willem Jan van de Berg on behalf of the Authors (05 Jan 2016) Manuscript

ED: Publish as is (20 Jan 2016) by G. Hilmar Gudmundsson

AR by Willem Jan van de Berg on behalf of the Authors (22 Jan 2016)

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.