Articles | Volume 14, issue 12
The Cryosphere, 14, 4611–4626, 2020
https://doi.org/10.5194/tc-14-4611-2020
The Cryosphere, 14, 4611–4626, 2020
https://doi.org/10.5194/tc-14-4611-2020

Research article 18 Dec 2020

Research article | 18 Dec 2020

Projecting circum-Arctic excess-ground-ice melt with a sub-grid representation in the Community Land Model

Lei Cai et al.

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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
ED: Publish subject to minor revisions (review by editor) (09 Sep 2020) by Peter Morse
AR by Lei Cai on behalf of the Authors (19 Sep 2020)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (06 Oct 2020) by Peter Morse
AR by Lei Cai on behalf of the Authors (15 Oct 2020)  Author's response    Manuscript
ED: Publish subject to technical corrections (19 Oct 2020) by Peter Morse
AR by Lei Cai on behalf of the Authors (22 Oct 2020)  Author's response    Manuscript
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Short summary
A sub-grid representation of excess ground ice in the Community Land Model (CLM) is developed as novel progress in modeling permafrost thaw and its impacts under the warming climate. The modeled permafrost degradation with sub-grid excess ice follows the pathway that continuous permafrost transforms into discontinuous permafrost before it disappears, including surface subsidence and talik formation, which are highly permafrost-relevant landscape changes excluded from most land models.