Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 11, issue 1
Articles | Volume 11, issue 1
https://doi.org/10.5194/esurf-11-33-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-11-33-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 1
Research article
 | 
27 Jan 2023
Research article |  | 27 Jan 2023

Simulating the effect of subsurface drainage on the thermal regime and ground ice in blocky terrain in Norway

Cas Renette, Kristoffer Aalstad, Juditha Aga, Robin Benjamin Zweigel, Bernd Etzelmüller, Karianne Staalesen Lilleøren, Ketil Isaksen, and Sebastian Westermann

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Latest update: 25 Oct 2025
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Short summary
One of the reasons for lower ground temperatures in coarse, blocky terrain is a low or varying soil moisture content, which most permafrost modelling studies did not take into account. We used the CryoGrid community model to successfully simulate this effect and found markedly lower temperatures in well-drained, blocky deposits compared to other set-ups. The inclusion of this drainage effect is another step towards a better model representation of blocky mountain terrain in permafrost regions.
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