Articles | Volume 9, issue 4
The Cryosphere, 9, 1505–1521, 2015
https://doi.org/10.5194/tc-9-1505-2015
The Cryosphere, 9, 1505–1521, 2015
https://doi.org/10.5194/tc-9-1505-2015

Research article 07 Aug 2015

Research article | 07 Aug 2015

Impact of model developments on present and future simulations of permafrost in a global land-surface model

S. E. Chadburn et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Sarah Chadburn on behalf of the Authors (25 Jun 2015)  Author's response    Manuscript
ED: Publish subject to minor revisions (Editor review) (02 Jul 2015) by Ross Brown
AR by Sarah Chadburn on behalf of the Authors (03 Jul 2015)  Author's response    Manuscript
ED: Publish as is (07 Jul 2015) by Ross Brown
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Short summary
In this paper we use a global land-surface model to study the dynamics of Arctic permafrost. We examine the impact of new and improved processes in the model, namely soil depth and resolution, organic soils, moss and the representation of snow. These improvements make the simulated soil temperatures and thaw depth significantly more realistic. Simulations under future climate scenarios show that permafrost thaws more slowly in the new model version, but still a large amount is lost by 2100.