A simple parametrization of mélange buttressing for calving glaciers
Both ice sheets in Greenland and Antarctica are discharging ice into the ocean. In many regions along the coast of the ice sheets, the icebergs calve into a bay. If the addition of icebergs through calving is faster than their transport out of the embayment, the icebergs will be frozen into a mélang...
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ftpotsdamik:oai:publications.pik-potsdam.de:item_23881 2023-10-29T02:31:00+01:00 A simple parametrization of mélange buttressing for calving glaciers Schlemm, T. Levermann, A. 2021-02-03 application/pdf https://publications.pik-potsdam.de/pubman/item/item_23881 https://publications.pik-potsdam.de/pubman/item/item_23881_6/component/file_25334/23881oa.pdf unknown info:eu-repo/semantics/altIdentifier/doi/10.5194/tc-15-531-2021 https://publications.pik-potsdam.de/pubman/item/item_23881 https://publications.pik-potsdam.de/pubman/item/item_23881_6/component/file_25334/23881oa.pdf info:eu-repo/semantics/openAccess The Cryosphere info:eu-repo/semantics/article 2021 ftpotsdamik https://doi.org/10.5194/tc-15-531-2021 2023-09-30T17:59:36Z Both ice sheets in Greenland and Antarctica are discharging ice into the ocean. In many regions along the coast of the ice sheets, the icebergs calve into a bay. If the addition of icebergs through calving is faster than their transport out of the embayment, the icebergs will be frozen into a mélange with surrounding sea ice in winter. In this case, the buttressing effect of the ice mélange can be considerably stronger than any buttressing by mere sea ice would be. This in turn stabilizes the glacier terminus and leads to a reduction in calving rates. Here we propose a simple parametrization of ice mélange buttressing which leads to an upper bound on calving rates and can be used in numerical and analytical modelling. Article in Journal/Newspaper Antarc* Antarctica glacier Greenland Sea ice The Cryosphere Publication Database PIK (Potsdam Institute for Climate Impact Research) The Cryosphere 15 2 531 545 |
institution |
Open Polar |
collection |
Publication Database PIK (Potsdam Institute for Climate Impact Research) |
op_collection_id |
ftpotsdamik |
language |
unknown |
description |
Both ice sheets in Greenland and Antarctica are discharging ice into the ocean. In many regions along the coast of the ice sheets, the icebergs calve into a bay. If the addition of icebergs through calving is faster than their transport out of the embayment, the icebergs will be frozen into a mélange with surrounding sea ice in winter. In this case, the buttressing effect of the ice mélange can be considerably stronger than any buttressing by mere sea ice would be. This in turn stabilizes the glacier terminus and leads to a reduction in calving rates. Here we propose a simple parametrization of ice mélange buttressing which leads to an upper bound on calving rates and can be used in numerical and analytical modelling. |
format |
Article in Journal/Newspaper |
author |
Schlemm, T. Levermann, A. |
spellingShingle |
Schlemm, T. Levermann, A. A simple parametrization of mélange buttressing for calving glaciers |
author_facet |
Schlemm, T. Levermann, A. |
author_sort |
Schlemm, T. |
title |
A simple parametrization of mélange buttressing for calving glaciers |
title_short |
A simple parametrization of mélange buttressing for calving glaciers |
title_full |
A simple parametrization of mélange buttressing for calving glaciers |
title_fullStr |
A simple parametrization of mélange buttressing for calving glaciers |
title_full_unstemmed |
A simple parametrization of mélange buttressing for calving glaciers |
title_sort |
simple parametrization of mélange buttressing for calving glaciers |
publishDate |
2021 |
url |
https://publications.pik-potsdam.de/pubman/item/item_23881 https://publications.pik-potsdam.de/pubman/item/item_23881_6/component/file_25334/23881oa.pdf |
genre |
Antarc* Antarctica glacier Greenland Sea ice The Cryosphere |
genre_facet |
Antarc* Antarctica glacier Greenland Sea ice The Cryosphere |
op_source |
The Cryosphere |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/tc-15-531-2021 https://publications.pik-potsdam.de/pubman/item/item_23881 https://publications.pik-potsdam.de/pubman/item/item_23881_6/component/file_25334/23881oa.pdf |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5194/tc-15-531-2021 |
container_title |
The Cryosphere |
container_volume |
15 |
container_issue |
2 |
container_start_page |
531 |
op_container_end_page |
545 |
_version_ |
1781064654467891200 |