Observing Antarctic bottom water in the Southern Ocean ...
<!--!introduction!--> Antarctic Bottom Water (AABW) occupies most of the deep ocean, trapping heat and carbon away from the atmosphere for centuries. Despite its key role in regulating Earth’s climate on long time scales, AABW is poorly observed. This is mostly due to two factors. 1) AABW orig...
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GFZ German Research Centre for Geosciences
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Online Access: | https://dx.doi.org/10.57757/iugg23-0454 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016014 |
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ftdatacite:10.57757/iugg23-0454 2023-06-11T04:06:09+02:00 Observing Antarctic bottom water in the Southern Ocean ... Silvano, Alessandro 2023 https://dx.doi.org/10.57757/iugg23-0454 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016014 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 Oral ConferencePaper Article 2023 ftdatacite https://doi.org/10.57757/iugg23-0454 2023-05-02T10:13:40Z <!--!introduction!--> Antarctic Bottom Water (AABW) occupies most of the deep ocean, trapping heat and carbon away from the atmosphere for centuries. Despite its key role in regulating Earth’s climate on long time scales, AABW is poorly observed. This is mostly due to two factors. 1) AABW originates on the Antarctic continental shelf where in situ measurements are limited and ocean observations by satellites are hampered by persistent sea ice cover. 2) North of the Antarctic continental shelf, AABW is found below about 2000 m depth, where in situ observations are also scarce and satellites cannot provide direct measurements. Here we combine different tools, including long term monitoring obtained by ship-based surveys, recent development of autonomous observing tools in coastal Antarctic and deep ocean systems, and satellite-derived proxies, to describe temporal changes in AABW formed in the Ross Sea and its contribution to the lower limb of the Meridional Overturning Circulation. We conclude by ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... Article in Journal/Newspaper Antarc* Antarctic Ross Sea Sea ice Southern Ocean DataCite Metadata Store (German National Library of Science and Technology) Antarctic Ross Sea Southern Ocean The Antarctic |
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DataCite Metadata Store (German National Library of Science and Technology) |
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<!--!introduction!--> Antarctic Bottom Water (AABW) occupies most of the deep ocean, trapping heat and carbon away from the atmosphere for centuries. Despite its key role in regulating Earth’s climate on long time scales, AABW is poorly observed. This is mostly due to two factors. 1) AABW originates on the Antarctic continental shelf where in situ measurements are limited and ocean observations by satellites are hampered by persistent sea ice cover. 2) North of the Antarctic continental shelf, AABW is found below about 2000 m depth, where in situ observations are also scarce and satellites cannot provide direct measurements. Here we combine different tools, including long term monitoring obtained by ship-based surveys, recent development of autonomous observing tools in coastal Antarctic and deep ocean systems, and satellite-derived proxies, to describe temporal changes in AABW formed in the Ross Sea and its contribution to the lower limb of the Meridional Overturning Circulation. We conclude by ... : The 28th IUGG General Assembly (IUGG2023) (Berlin 2023) ... |
format |
Article in Journal/Newspaper |
author |
Silvano, Alessandro |
spellingShingle |
Silvano, Alessandro Observing Antarctic bottom water in the Southern Ocean ... |
author_facet |
Silvano, Alessandro |
author_sort |
Silvano, Alessandro |
title |
Observing Antarctic bottom water in the Southern Ocean ... |
title_short |
Observing Antarctic bottom water in the Southern Ocean ... |
title_full |
Observing Antarctic bottom water in the Southern Ocean ... |
title_fullStr |
Observing Antarctic bottom water in the Southern Ocean ... |
title_full_unstemmed |
Observing Antarctic bottom water in the Southern Ocean ... |
title_sort |
observing antarctic bottom water in the southern ocean ... |
publisher |
GFZ German Research Centre for Geosciences |
publishDate |
2023 |
url |
https://dx.doi.org/10.57757/iugg23-0454 https://gfzpublic.gfz-potsdam.de/pubman/item/item_5016014 |
geographic |
Antarctic Ross Sea Southern Ocean The Antarctic |
geographic_facet |
Antarctic Ross Sea Southern Ocean The Antarctic |
genre |
Antarc* Antarctic Ross Sea Sea ice Southern Ocean |
genre_facet |
Antarc* Antarctic Ross Sea Sea ice Southern Ocean |
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/iugg23-0454 |
_version_ |
1768377954556968960 |