The Cryosphere
The Cryosphere
TC
Articles | Volume 20, issue 4
Articles | Volume 20, issue 4
https://doi.org/10.5194/tc-20-2469-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-20-2469-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 4
Research article
 | 
27 Apr 2026
Research article |  | 27 Apr 2026

Impact of spatial resolution on large-scale ice cover modelling of mountainous regions

Helen Werner, Dirk Scherler, Tancrède P. M. Leger, Guillaume Jouvet, and Ricarda Winkelmann

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Short summary
Coarse spatial resolutions reduce computational costs but poorly resolve complex topographies. Our simulations of an alpine ice field at 50 m to 2 km resolution show similar ice areas, yet much higher volumes at coarser resolutions. Resolutions of 300 m and finer accurately capture topographically constrained flow, while coarse resolutions flatten mountain slopes and peaks, affecting ice velocities, thickness, and thermal regimes which emphasizes the need for sufficiently high-resolution models.
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