Modelling ice mélange based on the viscous-plastic sea-ice rheology ...
Ice mélange (mixture of sea ice, bergy bits and icebergs) can have a strong influence on the sea ice-ocean interaction. So far, ice mélange is not represented in climate models as numerically efficient realisations are missing. This motivates the development of an ice mélange model based on the visc...
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ftdatacite:10.5281/zenodo.7767470 2023-06-11T04:16:29+02:00 Modelling ice mélange based on the viscous-plastic sea-ice rheology ... Kahl, Saskia Mehlmann, Carolin 2023 https://dx.doi.org/10.5281/zenodo.7767470 https://zenodo.org/record/7767470 en eng Zenodo https://dx.doi.org/10.5281/zenodo.7767471 Open Access Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 info:eu-repo/semantics/openAccess SoftwareSourceCode Software article 2023 ftdatacite https://doi.org/10.5281/zenodo.776747010.5281/zenodo.7767471 2023-06-01T11:26:55Z Ice mélange (mixture of sea ice, bergy bits and icebergs) can have a strong influence on the sea ice-ocean interaction. So far, ice mélange is not represented in climate models as numerically efficient realisations are missing. This motivates the development of an ice mélange model based on the viscous-plastic sea-ice rheology which is currently the most used material law for sea ice in climate models. Starting from the continuum mechanical formulation, we modify the rheology so that icebergs are represented by thick, highly compact pieces of sea ice. These compact pieces of sea ice are held together by a modified tensile strength in the material law. In this framework the ice mélange is considered as one single fluid, where the icebergs are tracked by a volume in fluid method. Using idealised test cases, we demonstrate that the proposed changes in the material law are crucial to represent icebergs with the viscous-plastic rheology. The ice mélange model is like the viscous-plastic sea-ice model highly ... Software Sea ice DataCite Metadata Store (German National Library of Science and Technology) |
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Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
description |
Ice mélange (mixture of sea ice, bergy bits and icebergs) can have a strong influence on the sea ice-ocean interaction. So far, ice mélange is not represented in climate models as numerically efficient realisations are missing. This motivates the development of an ice mélange model based on the viscous-plastic sea-ice rheology which is currently the most used material law for sea ice in climate models. Starting from the continuum mechanical formulation, we modify the rheology so that icebergs are represented by thick, highly compact pieces of sea ice. These compact pieces of sea ice are held together by a modified tensile strength in the material law. In this framework the ice mélange is considered as one single fluid, where the icebergs are tracked by a volume in fluid method. Using idealised test cases, we demonstrate that the proposed changes in the material law are crucial to represent icebergs with the viscous-plastic rheology. The ice mélange model is like the viscous-plastic sea-ice model highly ... |
format |
Software |
author |
Kahl, Saskia Mehlmann, Carolin |
spellingShingle |
Kahl, Saskia Mehlmann, Carolin Modelling ice mélange based on the viscous-plastic sea-ice rheology ... |
author_facet |
Kahl, Saskia Mehlmann, Carolin |
author_sort |
Kahl, Saskia |
title |
Modelling ice mélange based on the viscous-plastic sea-ice rheology ... |
title_short |
Modelling ice mélange based on the viscous-plastic sea-ice rheology ... |
title_full |
Modelling ice mélange based on the viscous-plastic sea-ice rheology ... |
title_fullStr |
Modelling ice mélange based on the viscous-plastic sea-ice rheology ... |
title_full_unstemmed |
Modelling ice mélange based on the viscous-plastic sea-ice rheology ... |
title_sort |
modelling ice mélange based on the viscous-plastic sea-ice rheology ... |
publisher |
Zenodo |
publishDate |
2023 |
url |
https://dx.doi.org/10.5281/zenodo.7767470 https://zenodo.org/record/7767470 |
genre |
Sea ice |
genre_facet |
Sea ice |
op_relation |
https://dx.doi.org/10.5281/zenodo.7767471 |
op_rights |
Open Access Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5281/zenodo.776747010.5281/zenodo.7767471 |
_version_ |
1768374801379885056 |