Coastal and offshore controls on the variability of the Undercurrent in the Amundsen Sea ...
<!--!introduction!--> The marine-terminating glaciers of the Amundsen Sea are experiencing increased basal melting associated with an inflow of warm and salty water from the deep ocean onto the shelf via submarine glacial troughs. Modelling work suggests that variability in the transport of th...
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GFZ German Research Centre for Geosciences
2023
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ftdatacite:10.57757/iugg23-1663 2023-07-23T04:13:17+02:00 Coastal and offshore controls on the variability of the Undercurrent in the Amundsen Sea ... Dragomir, Oana Silvano, Alessandro Hogg, Anna Meredith, Michael Nurser, George Naveira Garabato, Alberto 2023 https://dx.doi.org/10.57757/iugg23-1663 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017938 unknown GFZ German Research Centre for Geosciences Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 Article ConferencePaper Oral 2023 ftdatacite https://doi.org/10.57757/iugg23-1663 2023-07-03T16:14:21Z <!--!introduction!--> The marine-terminating glaciers of the Amundsen Sea are experiencing increased basal melting associated with an inflow of warm and salty water from the deep ocean onto the shelf via submarine glacial troughs. Modelling work suggests that variability in the transport of this source of heat across the shelf-break and onto the Dotson Trough in the western Amundsen Sea is regulated by wind-driven changes in an eastward undercurrent that flows along the continental slope. What controls the strength and variability of the undercurrent, however, is not well documented due to a lack of observations in the region. Here, we use mooring records of undercurrent velocity near the shelf break in the Amundsen Sea throughs in conjunction with a novel 5-year altimetric sea level product that includes measurements in regions of near-perennial ice cover to describe the connection between undercurrent variability and climate on seasonal to interannual time scales. We find a robust signature of the ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Conference Object Amundsen Sea DataCite Metadata Store (German National Library of Science and Technology) Amundsen Sea |
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DataCite Metadata Store (German National Library of Science and Technology) |
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description |
<!--!introduction!--> The marine-terminating glaciers of the Amundsen Sea are experiencing increased basal melting associated with an inflow of warm and salty water from the deep ocean onto the shelf via submarine glacial troughs. Modelling work suggests that variability in the transport of this source of heat across the shelf-break and onto the Dotson Trough in the western Amundsen Sea is regulated by wind-driven changes in an eastward undercurrent that flows along the continental slope. What controls the strength and variability of the undercurrent, however, is not well documented due to a lack of observations in the region. Here, we use mooring records of undercurrent velocity near the shelf break in the Amundsen Sea throughs in conjunction with a novel 5-year altimetric sea level product that includes measurements in regions of near-perennial ice cover to describe the connection between undercurrent variability and climate on seasonal to interannual time scales. We find a robust signature of the ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Conference Object |
author |
Dragomir, Oana Silvano, Alessandro Hogg, Anna Meredith, Michael Nurser, George Naveira Garabato, Alberto |
spellingShingle |
Dragomir, Oana Silvano, Alessandro Hogg, Anna Meredith, Michael Nurser, George Naveira Garabato, Alberto Coastal and offshore controls on the variability of the Undercurrent in the Amundsen Sea ... |
author_facet |
Dragomir, Oana Silvano, Alessandro Hogg, Anna Meredith, Michael Nurser, George Naveira Garabato, Alberto |
author_sort |
Dragomir, Oana |
title |
Coastal and offshore controls on the variability of the Undercurrent in the Amundsen Sea ... |
title_short |
Coastal and offshore controls on the variability of the Undercurrent in the Amundsen Sea ... |
title_full |
Coastal and offshore controls on the variability of the Undercurrent in the Amundsen Sea ... |
title_fullStr |
Coastal and offshore controls on the variability of the Undercurrent in the Amundsen Sea ... |
title_full_unstemmed |
Coastal and offshore controls on the variability of the Undercurrent in the Amundsen Sea ... |
title_sort |
coastal and offshore controls on the variability of the undercurrent in the amundsen sea ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-1663 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017938 |
geographic |
Amundsen Sea |
geographic_facet |
Amundsen Sea |
genre |
Amundsen Sea |
genre_facet |
Amundsen Sea |
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/10.57757/iugg23-1663 |
_version_ |
1772177979874476032 |