Influence of ocean tides and ice shelves on ocean-ice interactions and dense shelf water formation in the D'Urville Sea, Antarctica

International audience The D'Urville Sea, East Antarctica, is a major source of Dense Shelf Water (DSW), a precursor of Antarctic Bottom Water (AABW). AABW is a key water mass involved in the worldwide ocean circulation and long-term climate variability. The properties of AABW in global climate...

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Published in:Ocean Modelling
Main Authors: Huot, Pierre-Vincent, Fichefet, Thierry, Jourdain, Nicolas, Mathiot, Pierre, Rousset, Clément, Kittel, Christoph, Fettweis, Xavier
Other Authors: Earth and Life Institute Louvain-La-Neuve (ELI), Université Catholique de Louvain = Catholic University of Louvain (UCL), Institut des Géosciences de l’Environnement (IGE), Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Institut de Recherche pour le Développement (IRD)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Met Office Climate Research Division, United Kingdom Met Office Exeter, Nucleus for European Modeling of the Ocean (NEMO R&D ), Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN), Institut Pierre-Simon-Laplace (IPSL (FR_636)), École normale supérieure - Paris (ENS Paris), 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)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-École normale supérieure - Paris (ENS Paris), 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)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-Institut de Recherche pour le Développement (IRD)-Muséum national d'Histoire naturelle (MNHN)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Institut Pierre-Simon-Laplace (IPSL (FR_636)), 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)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-Institut de Recherche pour le Développement (IRD)-Muséum national d'Histoire naturelle (MNHN)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU), Université de Liège
Format: Article in Journal/Newspaper
Language:English
Published: HAL CCSD 2021
Subjects:
Online Access:https://hal.archives-ouvertes.fr/hal-03456230
https://hal.archives-ouvertes.fr/hal-03456230/document
https://hal.archives-ouvertes.fr/hal-03456230/file/draft_tidisf_pv_v3.pdf
https://doi.org/10.1016/j.ocemod.2021.101794
id ftccsdartic:oai:HAL:hal-03456230v1
record_format openpolar
institution Open Polar
collection Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
op_collection_id ftccsdartic
language English
topic [SDU.OCEAN]Sciences of the Universe [physics]/Ocean
Atmosphere
spellingShingle [SDU.OCEAN]Sciences of the Universe [physics]/Ocean
Atmosphere
Huot, Pierre-Vincent
Fichefet, Thierry
Jourdain, Nicolas
Mathiot, Pierre
Rousset, Clément
Kittel, Christoph
Fettweis, Xavier
Influence of ocean tides and ice shelves on ocean-ice interactions and dense shelf water formation in the D'Urville Sea, Antarctica
topic_facet [SDU.OCEAN]Sciences of the Universe [physics]/Ocean
Atmosphere
description International audience The D'Urville Sea, East Antarctica, is a major source of Dense Shelf Water (DSW), a precursor of Antarctic Bottom Water (AABW). AABW is a key water mass involved in the worldwide ocean circulation and long-term climate variability. The properties of AABW in global climate models suffer from several biases, making climate projections uncertain. These models are potentially omitting or misrepresenting important mechanisms involved in the formation of DSW, such as tides and ocean-ice shelf interactions. Recent studies pointed out that tides and ice shelves significantly influence the coastal seas of Antarctica, where AABW originates from. Yet, the implications of these two processes in the formation and evolution of DSW are poorly understood, in particular in the D'Urville Sea. Using a series of NEMO-LIM numerical simulations, we assess the sensitivity of dense water formation in the D'Urville Sea to the representation of tides and ocean-ice shelf interactions during the years 2010-2015. We show that the ice shelves off Adélie Land are highly sensitive to tidal forcing, with a significant basal melt increase in the presence of tides. Ice shelf basal melt freshens the ocean over significant portions of the coastal seas at the depth of the ice-shelf draft. An opposite warming and increase in salinity is found in the upper layers. The influence of ice-shelf basal melt on the ocean is largely increased in the presence of tides. However, the production of sea ice is found to be mostly unaffected by these two processes. Water mass transport out of polynyas and ice shelf cavities are then investigated, together with their sensitivity to tides and ocean-ice shelf interactions. Ice shelf basal melt impacts the volume of dense waters in two ways: 1) Dense Shelf Water and Modified Shelf Water are consumed to form water masses of intermediate density inside the ice shelf cavities, and 2) the freshening of the ocean subsurface makes its transformation into dense water by sea ice formation more ...
author2 Earth and Life Institute Louvain-La-Neuve (ELI)
Université Catholique de Louvain = Catholic University of Louvain (UCL)
Institut des Géosciences de l’Environnement (IGE)
Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Institut de Recherche pour le Développement (IRD)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )
Université Grenoble Alpes (UGA)
Met Office Climate Research Division
United Kingdom Met Office Exeter
Nucleus for European Modeling of the Ocean (NEMO R&D )
Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN)
Institut Pierre-Simon-Laplace (IPSL (FR_636))
École normale supérieure - Paris (ENS Paris)
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)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-École normale supérieure - Paris (ENS Paris)
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)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-Institut de Recherche pour le Développement (IRD)-Muséum national d'Histoire naturelle (MNHN)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Institut Pierre-Simon-Laplace (IPSL (FR_636))
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)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-Institut de Recherche pour le Développement (IRD)-Muséum national d'Histoire naturelle (MNHN)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)
Université de Liège
format Article in Journal/Newspaper
author Huot, Pierre-Vincent
Fichefet, Thierry
Jourdain, Nicolas
Mathiot, Pierre
Rousset, Clément
Kittel, Christoph
Fettweis, Xavier
author_facet Huot, Pierre-Vincent
Fichefet, Thierry
Jourdain, Nicolas
Mathiot, Pierre
Rousset, Clément
Kittel, Christoph
Fettweis, Xavier
author_sort Huot, Pierre-Vincent
title Influence of ocean tides and ice shelves on ocean-ice interactions and dense shelf water formation in the D'Urville Sea, Antarctica
title_short Influence of ocean tides and ice shelves on ocean-ice interactions and dense shelf water formation in the D'Urville Sea, Antarctica
title_full Influence of ocean tides and ice shelves on ocean-ice interactions and dense shelf water formation in the D'Urville Sea, Antarctica
title_fullStr Influence of ocean tides and ice shelves on ocean-ice interactions and dense shelf water formation in the D'Urville Sea, Antarctica
title_full_unstemmed Influence of ocean tides and ice shelves on ocean-ice interactions and dense shelf water formation in the D'Urville Sea, Antarctica
title_sort influence of ocean tides and ice shelves on ocean-ice interactions and dense shelf water formation in the d'urville sea, antarctica
publisher HAL CCSD
publishDate 2021
url https://hal.archives-ouvertes.fr/hal-03456230
https://hal.archives-ouvertes.fr/hal-03456230/document
https://hal.archives-ouvertes.fr/hal-03456230/file/draft_tidisf_pv_v3.pdf
https://doi.org/10.1016/j.ocemod.2021.101794
long_lat ENVELOPE(140.000,140.000,-65.000,-65.000)
geographic Antarctic
D'Urville Sea
East Antarctica
geographic_facet Antarctic
D'Urville Sea
East Antarctica
genre Antarc*
Antarctic
Antarctica
D'Urville Sea
East Antarctica
Ice Shelf
Ice Shelves
Sea ice
genre_facet Antarc*
Antarctic
Antarctica
D'Urville Sea
East Antarctica
Ice Shelf
Ice Shelves
Sea ice
op_source ISSN: 1463-5003
Ocean Modelling
https://hal.archives-ouvertes.fr/hal-03456230
Ocean Modelling, Elsevier, 2021, 162, pp.101794. ⟨10.1016/j.ocemod.2021.101794⟩
op_relation info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ocemod.2021.101794
hal-03456230
https://hal.archives-ouvertes.fr/hal-03456230
https://hal.archives-ouvertes.fr/hal-03456230/document
https://hal.archives-ouvertes.fr/hal-03456230/file/draft_tidisf_pv_v3.pdf
doi:10.1016/j.ocemod.2021.101794
op_rights info:eu-repo/semantics/OpenAccess
op_doi https://doi.org/10.1016/j.ocemod.2021.101794
container_title Ocean Modelling
container_volume 162
container_start_page 101794
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spelling ftccsdartic:oai:HAL:hal-03456230v1 2023-05-15T13:54:52+02:00 Influence of ocean tides and ice shelves on ocean-ice interactions and dense shelf water formation in the D'Urville Sea, Antarctica Huot, Pierre-Vincent Fichefet, Thierry Jourdain, Nicolas Mathiot, Pierre Rousset, Clément Kittel, Christoph Fettweis, Xavier Earth and Life Institute Louvain-La-Neuve (ELI) Université Catholique de Louvain = Catholic University of Louvain (UCL) Institut des Géosciences de l’Environnement (IGE) Université Grenoble Alpes (UGA)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Institut de Recherche pour le Développement (IRD)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ) Université Grenoble Alpes (UGA) Met Office Climate Research Division United Kingdom Met Office Exeter Nucleus for European Modeling of the Ocean (NEMO R&D ) Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Institut Pierre-Simon-Laplace (IPSL (FR_636)) École normale supérieure - Paris (ENS Paris) 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)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-École normale supérieure - Paris (ENS Paris) 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)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-Institut de Recherche pour le Développement (IRD)-Muséum national d'Histoire naturelle (MNHN)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) 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)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP)-Institut de Recherche pour le Développement (IRD)-Muséum national d'Histoire naturelle (MNHN)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU) Université de Liège 2021-01-19 https://hal.archives-ouvertes.fr/hal-03456230 https://hal.archives-ouvertes.fr/hal-03456230/document https://hal.archives-ouvertes.fr/hal-03456230/file/draft_tidisf_pv_v3.pdf https://doi.org/10.1016/j.ocemod.2021.101794 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ocemod.2021.101794 hal-03456230 https://hal.archives-ouvertes.fr/hal-03456230 https://hal.archives-ouvertes.fr/hal-03456230/document https://hal.archives-ouvertes.fr/hal-03456230/file/draft_tidisf_pv_v3.pdf doi:10.1016/j.ocemod.2021.101794 info:eu-repo/semantics/OpenAccess ISSN: 1463-5003 Ocean Modelling https://hal.archives-ouvertes.fr/hal-03456230 Ocean Modelling, Elsevier, 2021, 162, pp.101794. ⟨10.1016/j.ocemod.2021.101794⟩ [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere info:eu-repo/semantics/article Journal articles 2021 ftccsdartic https://doi.org/10.1016/j.ocemod.2021.101794 2022-01-08T23:47:39Z International audience The D'Urville Sea, East Antarctica, is a major source of Dense Shelf Water (DSW), a precursor of Antarctic Bottom Water (AABW). AABW is a key water mass involved in the worldwide ocean circulation and long-term climate variability. The properties of AABW in global climate models suffer from several biases, making climate projections uncertain. These models are potentially omitting or misrepresenting important mechanisms involved in the formation of DSW, such as tides and ocean-ice shelf interactions. Recent studies pointed out that tides and ice shelves significantly influence the coastal seas of Antarctica, where AABW originates from. Yet, the implications of these two processes in the formation and evolution of DSW are poorly understood, in particular in the D'Urville Sea. Using a series of NEMO-LIM numerical simulations, we assess the sensitivity of dense water formation in the D'Urville Sea to the representation of tides and ocean-ice shelf interactions during the years 2010-2015. We show that the ice shelves off Adélie Land are highly sensitive to tidal forcing, with a significant basal melt increase in the presence of tides. Ice shelf basal melt freshens the ocean over significant portions of the coastal seas at the depth of the ice-shelf draft. An opposite warming and increase in salinity is found in the upper layers. The influence of ice-shelf basal melt on the ocean is largely increased in the presence of tides. However, the production of sea ice is found to be mostly unaffected by these two processes. Water mass transport out of polynyas and ice shelf cavities are then investigated, together with their sensitivity to tides and ocean-ice shelf interactions. Ice shelf basal melt impacts the volume of dense waters in two ways: 1) Dense Shelf Water and Modified Shelf Water are consumed to form water masses of intermediate density inside the ice shelf cavities, and 2) the freshening of the ocean subsurface makes its transformation into dense water by sea ice formation more ... Article in Journal/Newspaper Antarc* Antarctic Antarctica D'Urville Sea East Antarctica Ice Shelf Ice Shelves Sea ice Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Antarctic D'Urville Sea ENVELOPE(140.000,140.000,-65.000,-65.000) East Antarctica Ocean Modelling 162 101794