Observational evidence for on-shelf heat transport driven by dense water export in the Weddell Sea
International audience The transport of oceanic heat towards the Antarctic continental margin is central to the mass balance of the Antarctic Ice Sheet. Recent modeling efforts challenge our view on where and how the on-shelf heat flux occurs, suggesting that it is largest where dense shelf waters c...
Published in: | Nature Communications |
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Main Authors: | , , , , , , , , |
Other Authors: | , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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HAL CCSD
2023
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Online Access: | https://insu.hal.science/insu-04139564 https://insu.hal.science/insu-04139564v1/document https://insu.hal.science/insu-04139564v1/file/s41467-023-36580-3.pdf https://doi.org/10.1038/s41467-023-36580-3 |
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ftsorbonneuniv:oai:HAL:insu-04139564v1 |
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Open Polar |
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HAL Sorbonne Université |
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ftsorbonneuniv |
language |
English |
topic |
[SDU]Sciences of the Universe [physics] |
spellingShingle |
[SDU]Sciences of the Universe [physics] Darelius, Elin Daae, Kjersti Dundas, Vâr Fer, Ilker Hellmer, Hartmut H. Janout, Markus Nicholls, Keith W. Sallée, Jean-Baptiste Østerhus, Svein Observational evidence for on-shelf heat transport driven by dense water export in the Weddell Sea |
topic_facet |
[SDU]Sciences of the Universe [physics] |
description |
International audience The transport of oceanic heat towards the Antarctic continental margin is central to the mass balance of the Antarctic Ice Sheet. Recent modeling efforts challenge our view on where and how the on-shelf heat flux occurs, suggesting that it is largest where dense shelf waters cascade down the continental slope. Here we provide observational evidence supporting this claim. Using records from moored instruments, we link the downslope flow of dense water from the Filchner overflow to upslope and on-shelf flow of warm water. |
author2 |
Geophysical Institute Bergen (GFI / BiU) University of Bergen (UiB) Helmholtz-Institut Mainz Johannes Gutenberg - Universität Mainz = Johannes Gutenberg University (JGU) Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research (AWI) British Antarctic Survey (BAS) Natural Environment Research Council (NERC) Processus et interactions de fine échelle océanique (PROTEO) Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) Norwegian Research Center (NORCE) |
format |
Article in Journal/Newspaper |
author |
Darelius, Elin Daae, Kjersti Dundas, Vâr Fer, Ilker Hellmer, Hartmut H. Janout, Markus Nicholls, Keith W. Sallée, Jean-Baptiste Østerhus, Svein |
author_facet |
Darelius, Elin Daae, Kjersti Dundas, Vâr Fer, Ilker Hellmer, Hartmut H. Janout, Markus Nicholls, Keith W. Sallée, Jean-Baptiste Østerhus, Svein |
author_sort |
Darelius, Elin |
title |
Observational evidence for on-shelf heat transport driven by dense water export in the Weddell Sea |
title_short |
Observational evidence for on-shelf heat transport driven by dense water export in the Weddell Sea |
title_full |
Observational evidence for on-shelf heat transport driven by dense water export in the Weddell Sea |
title_fullStr |
Observational evidence for on-shelf heat transport driven by dense water export in the Weddell Sea |
title_full_unstemmed |
Observational evidence for on-shelf heat transport driven by dense water export in the Weddell Sea |
title_sort |
observational evidence for on-shelf heat transport driven by dense water export in the weddell sea |
publisher |
HAL CCSD |
publishDate |
2023 |
url |
https://insu.hal.science/insu-04139564 https://insu.hal.science/insu-04139564v1/document https://insu.hal.science/insu-04139564v1/file/s41467-023-36580-3.pdf https://doi.org/10.1038/s41467-023-36580-3 |
geographic |
Antarctic The Antarctic Weddell Sea Weddell |
geographic_facet |
Antarctic The Antarctic Weddell Sea Weddell |
genre |
Antarc* Antarctic Ice Sheet Weddell Sea |
genre_facet |
Antarc* Antarctic Ice Sheet Weddell Sea |
op_source |
ISSN: 2041-1723 EISSN: 2041-1723 Nature Communications https://insu.hal.science/insu-04139564 Nature Communications, 2023, 14, ⟨10.1038/s41467-023-36580-3⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1038/s41467-023-36580-3 BIBCODE: 2023NatCo.14.1022D WOS: 000957599200005 |
op_rights |
http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1038/s41467-023-36580-3 |
container_title |
Nature Communications |
container_volume |
14 |
container_issue |
1 |
_version_ |
1812181385875554304 |
spelling |
ftsorbonneuniv:oai:HAL:insu-04139564v1 2024-10-06T13:43:31+00:00 Observational evidence for on-shelf heat transport driven by dense water export in the Weddell Sea Darelius, Elin Daae, Kjersti Dundas, Vâr Fer, Ilker Hellmer, Hartmut H. Janout, Markus Nicholls, Keith W. Sallée, Jean-Baptiste Østerhus, Svein Geophysical Institute Bergen (GFI / BiU) University of Bergen (UiB) Helmholtz-Institut Mainz Johannes Gutenberg - Universität Mainz = Johannes Gutenberg University (JGU) Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research (AWI) British Antarctic Survey (BAS) Natural Environment Research Council (NERC) Processus et interactions de fine échelle océanique (PROTEO) Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)-Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité) Norwegian Research Center (NORCE) 2023 https://insu.hal.science/insu-04139564 https://insu.hal.science/insu-04139564v1/document https://insu.hal.science/insu-04139564v1/file/s41467-023-36580-3.pdf https://doi.org/10.1038/s41467-023-36580-3 en eng HAL CCSD Nature Publishing Group info:eu-repo/semantics/altIdentifier/doi/10.1038/s41467-023-36580-3 BIBCODE: 2023NatCo.14.1022D WOS: 000957599200005 http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess ISSN: 2041-1723 EISSN: 2041-1723 Nature Communications https://insu.hal.science/insu-04139564 Nature Communications, 2023, 14, ⟨10.1038/s41467-023-36580-3⟩ [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/article Journal articles 2023 ftsorbonneuniv https://doi.org/10.1038/s41467-023-36580-3 2024-09-23T14:19:19Z International audience The transport of oceanic heat towards the Antarctic continental margin is central to the mass balance of the Antarctic Ice Sheet. Recent modeling efforts challenge our view on where and how the on-shelf heat flux occurs, suggesting that it is largest where dense shelf waters cascade down the continental slope. Here we provide observational evidence supporting this claim. Using records from moored instruments, we link the downslope flow of dense water from the Filchner overflow to upslope and on-shelf flow of warm water. Article in Journal/Newspaper Antarc* Antarctic Ice Sheet Weddell Sea HAL Sorbonne Université Antarctic The Antarctic Weddell Sea Weddell Nature Communications 14 1 |