Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 19, issue 17
Articles | Volume 19, issue 17
https://doi.org/10.5194/gmd-19-8269-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-19-8269-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 17
Model description paper
 | 
08 Sep 2026
Model description paper |  | 08 Sep 2026

A semi-Lagrangian advection scheme in Elmer (v26.1): benchmarking against discontinuous Galerkin and application to ice-damage transport

Cyrille Mosbeux, Peter Råback, Adrien Gilbert, Julien Brondex, Fabien Gillet-Chaulet, Nicolas C. Jourdain, Mondher Chekki, Olivier Gagliardini, and Gaël Durand

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Short summary
Transport processes like rocks carried by ice flow and damage evolution – a proxy for crevasses – are key in ice sheet modeling and should occur without diffusion. Yet, standard numerical methods often blur these features. We explore a particle-based Semi-Lagrangian approach, comparing it to a Discontinuous Galerkin method, and show it can accurately simulate such transport when run at high enough resolution.
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