Description of a hybrid ice sheet-shelf model, and application to Antarctica
The formulation of a 3-D ice sheet-shelf model is described. The model is designed for long-term continental-scale applications, and has been used mostly in paleoclimatic studies. It uses a hybrid combination of the scaled shallow ice and shallow shelf approximations for ice flow. Floating ice shelv...
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Language: | English |
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Copernicus Publications
2012
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Online Access: | https://doi.org/10.5194/gmd-5-1273-2012 https://doaj.org/article/d5edeb0e4fec4897b3aa193f5a7fdb0f |
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ftdoajarticles:oai:doaj.org/article:d5edeb0e4fec4897b3aa193f5a7fdb0f 2023-05-15T13:49:28+02:00 Description of a hybrid ice sheet-shelf model, and application to Antarctica D. Pollard R. M. DeConto 2012-10-01T00:00:00Z https://doi.org/10.5194/gmd-5-1273-2012 https://doaj.org/article/d5edeb0e4fec4897b3aa193f5a7fdb0f EN eng Copernicus Publications http://www.geosci-model-dev.net/5/1273/2012/gmd-5-1273-2012.pdf https://doaj.org/toc/1991-959X https://doaj.org/toc/1991-9603 doi:10.5194/gmd-5-1273-2012 1991-959X 1991-9603 https://doaj.org/article/d5edeb0e4fec4897b3aa193f5a7fdb0f Geoscientific Model Development, Vol 5, Iss 5, Pp 1273-1295 (2012) Geology QE1-996.5 article 2012 ftdoajarticles https://doi.org/10.5194/gmd-5-1273-2012 2022-12-31T00:06:26Z The formulation of a 3-D ice sheet-shelf model is described. The model is designed for long-term continental-scale applications, and has been used mostly in paleoclimatic studies. It uses a hybrid combination of the scaled shallow ice and shallow shelf approximations for ice flow. Floating ice shelves and grounding-line migration are included, with parameterized ice fluxes at grounding lines that allows relatively coarse resolutions to be used. All significant components and parameterizations of the model are described in some detail. Basic results for modern Antarctica are compared with observations, and simulations over the last 5 million years are compared with previously published results. The sensitivity of ice volumes during the last deglaciation to basal sliding coefficients is discussed. Article in Journal/Newspaper Antarc* Antarctica Ice Sheet Ice Shelves Directory of Open Access Journals: DOAJ Articles Geoscientific Model Development 5 5 1273 1295 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Geology QE1-996.5 |
spellingShingle |
Geology QE1-996.5 D. Pollard R. M. DeConto Description of a hybrid ice sheet-shelf model, and application to Antarctica |
topic_facet |
Geology QE1-996.5 |
description |
The formulation of a 3-D ice sheet-shelf model is described. The model is designed for long-term continental-scale applications, and has been used mostly in paleoclimatic studies. It uses a hybrid combination of the scaled shallow ice and shallow shelf approximations for ice flow. Floating ice shelves and grounding-line migration are included, with parameterized ice fluxes at grounding lines that allows relatively coarse resolutions to be used. All significant components and parameterizations of the model are described in some detail. Basic results for modern Antarctica are compared with observations, and simulations over the last 5 million years are compared with previously published results. The sensitivity of ice volumes during the last deglaciation to basal sliding coefficients is discussed. |
format |
Article in Journal/Newspaper |
author |
D. Pollard R. M. DeConto |
author_facet |
D. Pollard R. M. DeConto |
author_sort |
D. Pollard |
title |
Description of a hybrid ice sheet-shelf model, and application to Antarctica |
title_short |
Description of a hybrid ice sheet-shelf model, and application to Antarctica |
title_full |
Description of a hybrid ice sheet-shelf model, and application to Antarctica |
title_fullStr |
Description of a hybrid ice sheet-shelf model, and application to Antarctica |
title_full_unstemmed |
Description of a hybrid ice sheet-shelf model, and application to Antarctica |
title_sort |
description of a hybrid ice sheet-shelf model, and application to antarctica |
publisher |
Copernicus Publications |
publishDate |
2012 |
url |
https://doi.org/10.5194/gmd-5-1273-2012 https://doaj.org/article/d5edeb0e4fec4897b3aa193f5a7fdb0f |
genre |
Antarc* Antarctica Ice Sheet Ice Shelves |
genre_facet |
Antarc* Antarctica Ice Sheet Ice Shelves |
op_source |
Geoscientific Model Development, Vol 5, Iss 5, Pp 1273-1295 (2012) |
op_relation |
http://www.geosci-model-dev.net/5/1273/2012/gmd-5-1273-2012.pdf https://doaj.org/toc/1991-959X https://doaj.org/toc/1991-9603 doi:10.5194/gmd-5-1273-2012 1991-959X 1991-9603 https://doaj.org/article/d5edeb0e4fec4897b3aa193f5a7fdb0f |
op_doi |
https://doi.org/10.5194/gmd-5-1273-2012 |
container_title |
Geoscientific Model Development |
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5 |
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5 |
container_start_page |
1273 |
op_container_end_page |
1295 |
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1766251422222909440 |