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Description and validation of the ice-sheet model Yelmo (version 1.0)

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Title: Description and validation of the ice-sheet model Yelmo (version 1.0)
Authors: Robinson, Alexander Browse this author
Alvarez-Solas, Jorge Browse this author
Montoya, Marisa Browse this author
Goelzer, Heiko Browse this author
Greve, Ralf Browse this author →KAKEN DB
Ritz, Catherine Browse this author
Issue Date: 24-Jun-2020
Publisher: EGU Publications
Journal Title: Geoscientific Model Development
Volume: 13
Issue: 6
Start Page: 2805
End Page: 2823
Publisher DOI: 10.5194/gmd-13-2805-2020
Abstract: We describe the physics and features of the ice-sheet model Yelmo, an open-source project intended for collaborative development. Yelmo is a thermomechanical model, solving for the coupled velocity and temperature solutions of an ice sheet simultaneously. The ice dynamics are currently treated via a "hybrid" approach combining the shallow-ice and shallow-shelf/shelfy-stream approximations, which makes Yelmo an apt choice for studying a wide variety of problems. Yelmo's main innovations lie in its flexible and user-friendly infrastructure, which promotes portability and facilitates long-term development. In particular, all physics subroutines have been designed to be self-contained, so that they can be easily ported from Yelmo to other models, or easily replaced by improved or alternate methods in the future. Furthermore, hard-coded model choices are eschewed, replaced instead with convenient parameter options that allow the model to be adapted easily to different contexts. We show results for different ice-sheet benchmark tests, and we illustrate Yelmo's performance for the Antarctic ice sheet.
Type: article
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: Greve Ralf

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