Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 12, issue 1
Articles | Volume 12, issue 1
https://doi.org/10.5194/gmd-12-215-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-12-215-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 1
Development and technical paper
 | 
14 Jan 2019
Development and technical paper |  | 14 Jan 2019

Implementation and performance of adaptive mesh refinement in the Ice Sheet System Model (ISSM v4.14)

Thiago Dias dos Santos, Mathieu Morlighem, Hélène Seroussi, Philippe Remy Bernard Devloo, and Jefferson Cardia Simões

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Latest update: 28 Oct 2025
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Short summary
The reduction of numerical errors in ice sheet modeling increases the results' accuracy reliability. We improve numerical accuracy by better capturing grounding line dynamics, while maintaining a low computational cost. We implement an adaptive mesh refinement (AMR) technique in the Ice Sheet System Model and compare AMR simulations with uniformly refined meshes. Our results show that the computational time with AMR is significantly shorter than for uniformly refined meshes for a given accuracy.
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