North and equatorial Pacific Ocean circulation in the CORE-II hindcast simulations
International audience We evaluate the mean circulation patterns, water mass distributions, and tropical dynamics of the North and Equatorial Pacific Ocean based on a suite of global ocean-sea ice simulations driven by the CORE-II atmospheric forcing from 1963-2007. The first three moments (mean, st...
Published in: | Ocean Modelling |
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Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Other Authors: | , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2016
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Subjects: | |
Online Access: | https://hal-insu.archives-ouvertes.fr/insu-03668329 https://doi.org/10.1016/j.ocemod.2016.06.003 |
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ftunivnantes:oai:HAL:insu-03668329v1 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
CORE global ocean-ice simulations Kuroshio Mode water Subtropical cell North Pacific simulations [SDU]Sciences of the Universe [physics] [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
spellingShingle |
CORE global ocean-ice simulations Kuroshio Mode water Subtropical cell North Pacific simulations [SDU]Sciences of the Universe [physics] [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography Tseng, Yu-Heng Lin, Hongyang Chen, Han-Ching Thompson, Keith Bentsen, Mats Böning, Claus W. Bozec, Alexandra Cassou, Christophe Chassignet, Eric Chow, Chun Hoe Danabasoglu, Gokhan Danilov, Sergey Farneti, Riccardo Fogli, Pier Giuseppe Fujii, Yosuke Griffies, Stephen M. Ilicak, Mehmet Jung, Thomas Masina, Simona Navarra, Antonio Patara, Lavinia Samuels, Bonita L. Scheinert, Markus Sidorenko, Dmitry Sui, Chung-Hsiung Tsujino, Hiroyuki Valcke, Sophie Voldoire, Aurore Wang, Qiang Yeager, Steve G. North and equatorial Pacific Ocean circulation in the CORE-II hindcast simulations |
topic_facet |
CORE global ocean-ice simulations Kuroshio Mode water Subtropical cell North Pacific simulations [SDU]Sciences of the Universe [physics] [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
description |
International audience We evaluate the mean circulation patterns, water mass distributions, and tropical dynamics of the North and Equatorial Pacific Ocean based on a suite of global ocean-sea ice simulations driven by the CORE-II atmospheric forcing from 1963-2007. The first three moments (mean, standard deviation and skewness) of sea surface height and surface temperature variability are assessed against observations. Large discrepancies are found in the variance and skewness of sea surface height and in the skewness of sea surface temperature. Comparing with the observation, most models underestimate the Kuroshio transport in the Asian Marginal seas due to the missing influence of the unresolved western boundary current and meso-scale eddies. In terms of the Mixed Layer Depths (MLDs) in the North Pacific, the two observed maxima associated with Subtropical Mode Water and Central Mode Water formation coalesce into a large pool of deep MLDs in all participating models, but another local maximum associated with the formation of Eastern Subtropical Mode Water can be found in all models with different magnitudes. The main model bias of deep MLDs results from excessive Subtropical Mode Water formation due to inaccurate representation of the Kuroshio separation and of the associated excessively warm and salty Kuroshio water. Further water mass analysis shows that the North Pacific Intermediate Water can penetrate southward in most models, but its distribution greatly varies among models depending not only on grid resolution and vertical coordinate but also on the model dynamics. All simulations show overall similar large scale tropical current system, but with differences in the structures of the Equatorial Undercurrent. We also confirm the key role of the meridional gradient of the wind stress curl in driving the equatorial transport, leading to a generally weak North Equatorial Counter Current in all models due to inaccurate CORE-II equatorial wind fields. Most models show a larger interior transport of Pacific ... |
author2 |
CERFACS Toulouse Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) Centre national de recherches météorologiques (CNRM) Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP) Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3) Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3) Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Tseng, Yu-Heng Lin, Hongyang Chen, Han-Ching Thompson, Keith Bentsen, Mats Böning, Claus W. Bozec, Alexandra Cassou, Christophe Chassignet, Eric Chow, Chun Hoe Danabasoglu, Gokhan Danilov, Sergey Farneti, Riccardo Fogli, Pier Giuseppe Fujii, Yosuke Griffies, Stephen M. Ilicak, Mehmet Jung, Thomas Masina, Simona Navarra, Antonio Patara, Lavinia Samuels, Bonita L. Scheinert, Markus Sidorenko, Dmitry Sui, Chung-Hsiung Tsujino, Hiroyuki Valcke, Sophie Voldoire, Aurore Wang, Qiang Yeager, Steve G. |
author_facet |
Tseng, Yu-Heng Lin, Hongyang Chen, Han-Ching Thompson, Keith Bentsen, Mats Böning, Claus W. Bozec, Alexandra Cassou, Christophe Chassignet, Eric Chow, Chun Hoe Danabasoglu, Gokhan Danilov, Sergey Farneti, Riccardo Fogli, Pier Giuseppe Fujii, Yosuke Griffies, Stephen M. Ilicak, Mehmet Jung, Thomas Masina, Simona Navarra, Antonio Patara, Lavinia Samuels, Bonita L. Scheinert, Markus Sidorenko, Dmitry Sui, Chung-Hsiung Tsujino, Hiroyuki Valcke, Sophie Voldoire, Aurore Wang, Qiang Yeager, Steve G. |
author_sort |
Tseng, Yu-Heng |
title |
North and equatorial Pacific Ocean circulation in the CORE-II hindcast simulations |
title_short |
North and equatorial Pacific Ocean circulation in the CORE-II hindcast simulations |
title_full |
North and equatorial Pacific Ocean circulation in the CORE-II hindcast simulations |
title_fullStr |
North and equatorial Pacific Ocean circulation in the CORE-II hindcast simulations |
title_full_unstemmed |
North and equatorial Pacific Ocean circulation in the CORE-II hindcast simulations |
title_sort |
north and equatorial pacific ocean circulation in the core-ii hindcast simulations |
publisher |
HAL CCSD |
publishDate |
2016 |
url |
https://hal-insu.archives-ouvertes.fr/insu-03668329 https://doi.org/10.1016/j.ocemod.2016.06.003 |
long_lat |
ENVELOPE(-63.071,-63.071,-70.797,-70.797) |
geographic |
Curl Pacific |
geographic_facet |
Curl Pacific |
genre |
Sea ice |
genre_facet |
Sea ice |
op_source |
OCEAN MODELLING https://hal-insu.archives-ouvertes.fr/insu-03668329 OCEAN MODELLING, 2016, 104, pp.143-170. ⟨10.1016/j.ocemod.2016.06.003⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ocemod.2016.06.003 insu-03668329 https://hal-insu.archives-ouvertes.fr/insu-03668329 BIBCODE: 2016OcMod.104.143T doi:10.1016/j.ocemod.2016.06.003 |
op_doi |
https://doi.org/10.1016/j.ocemod.2016.06.003 |
container_title |
Ocean Modelling |
container_volume |
104 |
container_start_page |
143 |
op_container_end_page |
170 |
_version_ |
1766195734805217280 |
spelling |
ftunivnantes:oai:HAL:insu-03668329v1 2023-05-15T18:18:57+02:00 North and equatorial Pacific Ocean circulation in the CORE-II hindcast simulations Tseng, Yu-Heng Lin, Hongyang Chen, Han-Ching Thompson, Keith Bentsen, Mats Böning, Claus W. Bozec, Alexandra Cassou, Christophe Chassignet, Eric Chow, Chun Hoe Danabasoglu, Gokhan Danilov, Sergey Farneti, Riccardo Fogli, Pier Giuseppe Fujii, Yosuke Griffies, Stephen M. Ilicak, Mehmet Jung, Thomas Masina, Simona Navarra, Antonio Patara, Lavinia Samuels, Bonita L. Scheinert, Markus Sidorenko, Dmitry Sui, Chung-Hsiung Tsujino, Hiroyuki Valcke, Sophie Voldoire, Aurore Wang, Qiang Yeager, Steve G. CERFACS Toulouse Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) Centre national de recherches météorologiques (CNRM) Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP) Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3) Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3) Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS) 2016 https://hal-insu.archives-ouvertes.fr/insu-03668329 https://doi.org/10.1016/j.ocemod.2016.06.003 en eng HAL CCSD info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ocemod.2016.06.003 insu-03668329 https://hal-insu.archives-ouvertes.fr/insu-03668329 BIBCODE: 2016OcMod.104.143T doi:10.1016/j.ocemod.2016.06.003 OCEAN MODELLING https://hal-insu.archives-ouvertes.fr/insu-03668329 OCEAN MODELLING, 2016, 104, pp.143-170. ⟨10.1016/j.ocemod.2016.06.003⟩ CORE global ocean-ice simulations Kuroshio Mode water Subtropical cell North Pacific simulations [SDU]Sciences of the Universe [physics] [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography info:eu-repo/semantics/article Journal articles 2016 ftunivnantes https://doi.org/10.1016/j.ocemod.2016.06.003 2023-02-22T01:58:58Z International audience We evaluate the mean circulation patterns, water mass distributions, and tropical dynamics of the North and Equatorial Pacific Ocean based on a suite of global ocean-sea ice simulations driven by the CORE-II atmospheric forcing from 1963-2007. The first three moments (mean, standard deviation and skewness) of sea surface height and surface temperature variability are assessed against observations. Large discrepancies are found in the variance and skewness of sea surface height and in the skewness of sea surface temperature. Comparing with the observation, most models underestimate the Kuroshio transport in the Asian Marginal seas due to the missing influence of the unresolved western boundary current and meso-scale eddies. In terms of the Mixed Layer Depths (MLDs) in the North Pacific, the two observed maxima associated with Subtropical Mode Water and Central Mode Water formation coalesce into a large pool of deep MLDs in all participating models, but another local maximum associated with the formation of Eastern Subtropical Mode Water can be found in all models with different magnitudes. The main model bias of deep MLDs results from excessive Subtropical Mode Water formation due to inaccurate representation of the Kuroshio separation and of the associated excessively warm and salty Kuroshio water. Further water mass analysis shows that the North Pacific Intermediate Water can penetrate southward in most models, but its distribution greatly varies among models depending not only on grid resolution and vertical coordinate but also on the model dynamics. All simulations show overall similar large scale tropical current system, but with differences in the structures of the Equatorial Undercurrent. We also confirm the key role of the meridional gradient of the wind stress curl in driving the equatorial transport, leading to a generally weak North Equatorial Counter Current in all models due to inaccurate CORE-II equatorial wind fields. Most models show a larger interior transport of Pacific ... Article in Journal/Newspaper Sea ice Université de Nantes: HAL-UNIV-NANTES Curl ENVELOPE(-63.071,-63.071,-70.797,-70.797) Pacific Ocean Modelling 104 143 170 |