Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 9, issue 7
Articles | Volume 9, issue 7
https://doi.org/10.5194/gmd-9-2301-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/gmd-9-2301-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 9, issue 7
Model evaluation paper
 | 
06 Jul 2016
Model evaluation paper |  | 06 Jul 2016

Performance and applicability of a 2.5-D ice-flow model in the vicinity of a dome

Olivier Passalacqua, Olivier Gagliardini, Frédéric Parrenin, Joe Todd, Fabien Gillet-Chaulet, and Catherine Ritz

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Short summary
In ice-flow modelling, computing in 3-D requires a lot of resources, but 2-D models lack physical likelihood when the flow is diverging. That is why 2-D models accounting for the divergence, so-called 2.5-D models, are an interesting trade-off. However, the applicability of these 2.5-D models has never been systematically examined. We show that these models are ineffective in the case of highly diverging flows, but also for varying temperature, which was not suspected.
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