Articles | Volume 13, issue 2
https://doi.org/10.5194/tc-13-591-2019
https://doi.org/10.5194/tc-13-591-2019
Research article
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18 Feb 2019
Research article | Highlight paper |  | 18 Feb 2019

Thaw processes in ice-rich permafrost landscapes represented with laterally coupled tiles in a land surface model

Kjetil S. Aas, Léo Martin, Jan Nitzbon, Moritz Langer, Julia Boike, Hanna Lee, Terje K. Berntsen, and Sebastian Westermann

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Short summary
Many permafrost landscapes contain large amounts of excess ground ice, which gives rise to small-scale elevation differences. This results in lateral fluxes of snow, water, and heat, which we investigate and show how it can be accounted for in large-scale models. Using a novel model technique which can account for these differences, we are able to model both the current state of permafrost and how these landscapes change as permafrost thaws, in a way that could not previously be achieved.