On the Patterns of Wind-Power Input to the Ocean Circulation
International audience Pathways of wind-power input into the ocean general circulation are analyzed using Ekman theory. Direct rates of wind work can be calculated through the wind stress acting on the surface geostrophic flow. However, because that energy is transported laterally in the Ekman layer...
Published in: | Journal of Physical Oceanography |
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Online Access: | https://hal.archives-ouvertes.fr/hal-00755392 https://hal.archives-ouvertes.fr/hal-00755392/document https://hal.archives-ouvertes.fr/hal-00755392/file/2013JD021060.pdf https://doi.org/10.1175/JPO-D-11-024.1 |
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ftccsdartic:oai:HAL:hal-00755392v1 2023-05-15T13:56:48+02:00 On the Patterns of Wind-Power Input to the Ocean Circulation Roquet, Fabien Wunsch, Carl Madec, Gurvan Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Muséum national d'Histoire naturelle (MNHN)-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)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-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)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) 2011-12 https://hal.archives-ouvertes.fr/hal-00755392 https://hal.archives-ouvertes.fr/hal-00755392/document https://hal.archives-ouvertes.fr/hal-00755392/file/2013JD021060.pdf https://doi.org/10.1175/JPO-D-11-024.1 en eng HAL CCSD American Meteorological Society info:eu-repo/semantics/altIdentifier/doi/10.1175/JPO-D-11-024.1 hal-00755392 https://hal.archives-ouvertes.fr/hal-00755392 https://hal.archives-ouvertes.fr/hal-00755392/document https://hal.archives-ouvertes.fr/hal-00755392/file/2013JD021060.pdf doi:10.1175/JPO-D-11-024.1 BIBCODE: 2011JPO.41.2328R WOS: 000298830700005 http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess ISSN: 0022-3670 EISSN: 1520-0485 Journal of Physical Oceanography https://hal.archives-ouvertes.fr/hal-00755392 Journal of Physical Oceanography, American Meteorological Society, 2011, 41, pp.2328-2342. ⟨10.1175/JPO-D-11-024.1⟩ [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] info:eu-repo/semantics/article Journal articles 2011 ftccsdartic https://doi.org/10.1175/JPO-D-11-024.1 2021-11-20T23:36:45Z International audience Pathways of wind-power input into the ocean general circulation are analyzed using Ekman theory. Direct rates of wind work can be calculated through the wind stress acting on the surface geostrophic flow. However, because that energy is transported laterally in the Ekman layer, the injection into the geostrophic interior is actually controlled by Ekman pumping, with a pattern determined by the wind curl rather than the wind itself. Regions of power injection into the geostrophic interior are thus generally shifted poleward compared to regions of direct wind-power input, most notably in the Southern Ocean, where on average energy enters the interior 10° south of the Antarctic Circumpolar Current core. An interpretation of the wind-power input to the interior is proposed, expressed as a downward flux of pressure work. This energy flux is a measure of the work done by the Ekman pumping against the surface elevation pressure, helping to maintain the observed anomaly of sea surface height relative to the global-mean sea level. Article in Journal/Newspaper Antarc* Antarctic Southern Ocean Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Antarctic Southern Ocean The Antarctic Curl ENVELOPE(-63.071,-63.071,-70.797,-70.797) Journal of Physical Oceanography 41 12 2328 2342 |
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.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] |
spellingShingle |
[SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] Roquet, Fabien Wunsch, Carl Madec, Gurvan On the Patterns of Wind-Power Input to the Ocean Circulation |
topic_facet |
[SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] |
description |
International audience Pathways of wind-power input into the ocean general circulation are analyzed using Ekman theory. Direct rates of wind work can be calculated through the wind stress acting on the surface geostrophic flow. However, because that energy is transported laterally in the Ekman layer, the injection into the geostrophic interior is actually controlled by Ekman pumping, with a pattern determined by the wind curl rather than the wind itself. Regions of power injection into the geostrophic interior are thus generally shifted poleward compared to regions of direct wind-power input, most notably in the Southern Ocean, where on average energy enters the interior 10° south of the Antarctic Circumpolar Current core. An interpretation of the wind-power input to the interior is proposed, expressed as a downward flux of pressure work. This energy flux is a measure of the work done by the Ekman pumping against the surface elevation pressure, helping to maintain the observed anomaly of sea surface height relative to the global-mean sea level. |
author2 |
Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Muséum national d'Histoire naturelle (MNHN)-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)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-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)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Roquet, Fabien Wunsch, Carl Madec, Gurvan |
author_facet |
Roquet, Fabien Wunsch, Carl Madec, Gurvan |
author_sort |
Roquet, Fabien |
title |
On the Patterns of Wind-Power Input to the Ocean Circulation |
title_short |
On the Patterns of Wind-Power Input to the Ocean Circulation |
title_full |
On the Patterns of Wind-Power Input to the Ocean Circulation |
title_fullStr |
On the Patterns of Wind-Power Input to the Ocean Circulation |
title_full_unstemmed |
On the Patterns of Wind-Power Input to the Ocean Circulation |
title_sort |
on the patterns of wind-power input to the ocean circulation |
publisher |
HAL CCSD |
publishDate |
2011 |
url |
https://hal.archives-ouvertes.fr/hal-00755392 https://hal.archives-ouvertes.fr/hal-00755392/document https://hal.archives-ouvertes.fr/hal-00755392/file/2013JD021060.pdf https://doi.org/10.1175/JPO-D-11-024.1 |
long_lat |
ENVELOPE(-63.071,-63.071,-70.797,-70.797) |
geographic |
Antarctic Southern Ocean The Antarctic Curl |
geographic_facet |
Antarctic Southern Ocean The Antarctic Curl |
genre |
Antarc* Antarctic Southern Ocean |
genre_facet |
Antarc* Antarctic Southern Ocean |
op_source |
ISSN: 0022-3670 EISSN: 1520-0485 Journal of Physical Oceanography https://hal.archives-ouvertes.fr/hal-00755392 Journal of Physical Oceanography, American Meteorological Society, 2011, 41, pp.2328-2342. ⟨10.1175/JPO-D-11-024.1⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1175/JPO-D-11-024.1 hal-00755392 https://hal.archives-ouvertes.fr/hal-00755392 https://hal.archives-ouvertes.fr/hal-00755392/document https://hal.archives-ouvertes.fr/hal-00755392/file/2013JD021060.pdf doi:10.1175/JPO-D-11-024.1 BIBCODE: 2011JPO.41.2328R WOS: 000298830700005 |
op_rights |
http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1175/JPO-D-11-024.1 |
container_title |
Journal of Physical Oceanography |
container_volume |
41 |
container_issue |
12 |
container_start_page |
2328 |
op_container_end_page |
2342 |
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1766264383031214080 |