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

Robinson, A., Alvarez-Solas, J., Montoya, M., Goelzer, H., Greve, R., Ritz, C. (2020): Description and validation of the ice-sheet model Yelmo (version 1.0). - Geoscientific Model Development, 13, 6, 2805-2823.
https://doi.org/10.5194/gmd-13-2805-2020

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 Creators:
Robinson, Alexander1, Author              
Alvarez-Solas, Jorge2, Author
Montoya, Marisa2, Author
Goelzer, Heiko2, Author
Greve, Ralf2, Author
Ritz, Catherine2, Author
Affiliations:
1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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 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.

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Language(s): eng - English
 Dates: 2020-06-242020-06-24
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.5194/gmd-13-2805-2020
MDB-ID: No data to archive
PIKDOMAIN: RD1 - Earth System Analysis
Organisational keyword: RD1 - Earth System Analysis
Working Group: Long-Term Dynamics of the Earth System
Working Group: Earth System Model Development
Research topic keyword: Ice
Regional keyword: Arctic & Antarctica
Model / method: CLIMBER
 Degree: -

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Title: Geoscientific Model Development
Source Genre: Journal, SCI, Scopus, p3, oa
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Pages: - Volume / Issue: 13 (6) Sequence Number: - Start / End Page: 2805 - 2823 Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/journals185
Publisher: Copernicus