Modelling Antarctic sea ice variability using a brittle rheology ...
Sea ice plays an important role in determining the exchange of heat, salt, and momentum between the atmospheres and oceans. The Next Generation Sea Ice Model (neXtSIM) is a Lagrangian model aimed to study the behaviour of sea ice in response to various environmental factors. neXtSIM was applied for...
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Online Access: | https://dx.doi.org/10.5281/zenodo.10637221 https://zenodo.org/doi/10.5281/zenodo.10637221 |
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ftdatacite:10.5281/zenodo.10637221 2024-03-31T07:49:18+00:00 Modelling Antarctic sea ice variability using a brittle rheology ... Santana, Rafael Boutin, Guillaume Horvat, Christopher Ólason, Einar Williams, Timothy Rampal, Pierre 2024 https://dx.doi.org/10.5281/zenodo.10637221 https://zenodo.org/doi/10.5281/zenodo.10637221 unknown Zenodo https://dx.doi.org/10.5281/zenodo.10637222 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 ConferencePaper Article 2024 ftdatacite https://doi.org/10.5281/zenodo.1063722110.5281/zenodo.10637222 2024-03-04T12:37:39Z Sea ice plays an important role in determining the exchange of heat, salt, and momentum between the atmospheres and oceans. The Next Generation Sea Ice Model (neXtSIM) is a Lagrangian model aimed to study the behaviour of sea ice in response to various environmental factors. neXtSIM was applied for the Southern Ocean using both a novel brittle rheology (BBM) and a typical Elastic-Viscous-Plastic (EVP) rheology. Both runs well-represented the seasonal cycle of sea ice extent but tended to overestimate it by about 2.5 x 106 km2 (14%) in winter due to a colder ocean forcing. The BBM had larger drift correlation (0.73) in comparison to the EVP run (0.54). This happened because, in the BBM run, sea ice fractures more easily and is more effectively transported by the wind and currents. In contrast, sea ice tends to deform as a viscous fluid in the EVP run. Fractured ice in the BBM run also leads to thicker ice due to increased ridging and ice growth which tends to generate a larger Pan-Antarctic sea ice volume. ... Conference Object Antarc* Antarctic Sea ice Southern Ocean DataCite Metadata Store (German National Library of Science and Technology) Antarctic Southern Ocean |
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DataCite Metadata Store (German National Library of Science and Technology) |
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language |
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description |
Sea ice plays an important role in determining the exchange of heat, salt, and momentum between the atmospheres and oceans. The Next Generation Sea Ice Model (neXtSIM) is a Lagrangian model aimed to study the behaviour of sea ice in response to various environmental factors. neXtSIM was applied for the Southern Ocean using both a novel brittle rheology (BBM) and a typical Elastic-Viscous-Plastic (EVP) rheology. Both runs well-represented the seasonal cycle of sea ice extent but tended to overestimate it by about 2.5 x 106 km2 (14%) in winter due to a colder ocean forcing. The BBM had larger drift correlation (0.73) in comparison to the EVP run (0.54). This happened because, in the BBM run, sea ice fractures more easily and is more effectively transported by the wind and currents. In contrast, sea ice tends to deform as a viscous fluid in the EVP run. Fractured ice in the BBM run also leads to thicker ice due to increased ridging and ice growth which tends to generate a larger Pan-Antarctic sea ice volume. ... |
format |
Conference Object |
author |
Santana, Rafael Boutin, Guillaume Horvat, Christopher Ólason, Einar Williams, Timothy Rampal, Pierre |
spellingShingle |
Santana, Rafael Boutin, Guillaume Horvat, Christopher Ólason, Einar Williams, Timothy Rampal, Pierre Modelling Antarctic sea ice variability using a brittle rheology ... |
author_facet |
Santana, Rafael Boutin, Guillaume Horvat, Christopher Ólason, Einar Williams, Timothy Rampal, Pierre |
author_sort |
Santana, Rafael |
title |
Modelling Antarctic sea ice variability using a brittle rheology ... |
title_short |
Modelling Antarctic sea ice variability using a brittle rheology ... |
title_full |
Modelling Antarctic sea ice variability using a brittle rheology ... |
title_fullStr |
Modelling Antarctic sea ice variability using a brittle rheology ... |
title_full_unstemmed |
Modelling Antarctic sea ice variability using a brittle rheology ... |
title_sort |
modelling antarctic sea ice variability using a brittle rheology ... |
publisher |
Zenodo |
publishDate |
2024 |
url |
https://dx.doi.org/10.5281/zenodo.10637221 https://zenodo.org/doi/10.5281/zenodo.10637221 |
geographic |
Antarctic Southern Ocean |
geographic_facet |
Antarctic Southern Ocean |
genre |
Antarc* Antarctic Sea ice Southern Ocean |
genre_facet |
Antarc* Antarctic Sea ice Southern Ocean |
op_relation |
https://dx.doi.org/10.5281/zenodo.10637222 |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_doi |
https://doi.org/10.5281/zenodo.1063722110.5281/zenodo.10637222 |
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1795038457995722752 |