Impact of partial steps and momentum advection schemes in a global ocean circulation model at eddy-permitting resolution
http://www.springerlink.com/content/w8327463321564n3/fulltext.html Series of sensitivity tests were performed with a z-coordinate, global eddy-permitting (1/4°) ocean/sea-ice model (the ORCA-R025 model configuration developed for the DRAKKAR project) to carefully evaluate the impact of recent state-...
Published in: | Ocean Dynamics |
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Main Authors: | , , , , , , , , , , , , , , , , , , |
Other Authors: | , , , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2006
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Subjects: | |
Online Access: | https://hal.science/hal-00138383 https://doi.org/10.1007/s10236-006-0082-1 |
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ftsorbonneuniv:oai:HAL:hal-00138383v1 |
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openpolar |
institution |
Open Polar |
collection |
HAL Sorbonne Université |
op_collection_id |
ftsorbonneuniv |
language |
English |
topic |
Global ocean Eddy-permitting ocean model Momentum advection scheme Partial step topography Eddy/topography interactions [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDE.MCG]Environmental Sciences/Global Changes |
spellingShingle |
Global ocean Eddy-permitting ocean model Momentum advection scheme Partial step topography Eddy/topography interactions [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDE.MCG]Environmental Sciences/Global Changes Barnier, Bernard Madec, Gurvan Penduff, Thierry Molines, Jean-Marc Tréguier, Anne-Marie Le Sommer, Julien Beckmann, Aike Biastoch, Arne Böning, Claus W. Dengg, Joachim Derval, Corine Durand, Edmée Gulev, Sergei K. Rémy, Elisabeth Talandier, Claude Theetten, Sébastien Maltrud, Mathew Mcclean, Julie de Cuevas, Beverly A. Impact of partial steps and momentum advection schemes in a global ocean circulation model at eddy-permitting resolution |
topic_facet |
Global ocean Eddy-permitting ocean model Momentum advection scheme Partial step topography Eddy/topography interactions [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDE.MCG]Environmental Sciences/Global Changes |
description |
http://www.springerlink.com/content/w8327463321564n3/fulltext.html Series of sensitivity tests were performed with a z-coordinate, global eddy-permitting (1/4°) ocean/sea-ice model (the ORCA-R025 model configuration developed for the DRAKKAR project) to carefully evaluate the impact of recent state-of-the-art numerical schemes on model solutions. The combination of an energy–enstrophy conserving (EEN) scheme for momentum advection with a partial step (PS) representation of the bottom topography yields significant improvements in the mean circulation. Well known biases in the representation of western boundary currents, such as in the Atlantic the detachment of the Gulf Stream, the path of the North Atlantic Current, the location of the Confluence, and the strength of the Zapiola Eddy in the south Atlantic, are partly corrected. Similar improvements are found in the Pacific, Indian, and Southern Oceans, and characteristics of the mean flow are generally much closer to observations. Comparisons with other state-of-the-art models show that the ORCA-R025 configuration generally performs better at similar resolution. In addition, the model solution is often comparable to solutions obtained at 1/6 or 1/10° resolution in some aspects concerning mean flow patterns and distribution of eddy kinetic energy. Although the reasons for these improvements are not analyzed in detail in this paper, evidence is shown that the combination of EEN with PS reduces numerical noise near the bottom, which is likely to affect current–topography interactions in a systematic way. We conclude that significant corrections of the mean biases presently seen in general circulation model solutions at eddy-permitting resolution can still be expected from the development of numerical methods, which represent an alternative to increasing resolution. |
author2 |
Laboratoire des Écoulements Géophysiques et Industriels Grenoble (LEGI) Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS) Laboratoire d'océanographie dynamique et de climatologie (LODYC) Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de physique des océans (LPO) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS) Division of Geophysics Helsinki Department of Physical Sciences Helsinki Helsingin yliopisto = Helsingfors universitet = University of Helsinki-Helsingin yliopisto = Helsingfors universitet = University of Helsinki Leibniz-Institut für Meereswissenschaften (IFM-GEOMAR) Mercator Océan Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Service hydrographique et océanographique de la Marine-Centre National de la Recherche Scientifique (CNRS)-Météo-France Shirshov Institut of Oceanography Russian Academy of Sciences Moscow (RAS) Fluid Dynamics Group Los Alamos National Laboratory (LANL) Scripps Institution of Oceanography (SIO - UC San Diego) University of California San Diego (UC San Diego) University of California (UC)-University of California (UC) National Oceanography Centre Southampton (NOC) University of Southampton |
format |
Article in Journal/Newspaper |
author |
Barnier, Bernard Madec, Gurvan Penduff, Thierry Molines, Jean-Marc Tréguier, Anne-Marie Le Sommer, Julien Beckmann, Aike Biastoch, Arne Böning, Claus W. Dengg, Joachim Derval, Corine Durand, Edmée Gulev, Sergei K. Rémy, Elisabeth Talandier, Claude Theetten, Sébastien Maltrud, Mathew Mcclean, Julie de Cuevas, Beverly A. |
author_facet |
Barnier, Bernard Madec, Gurvan Penduff, Thierry Molines, Jean-Marc Tréguier, Anne-Marie Le Sommer, Julien Beckmann, Aike Biastoch, Arne Böning, Claus W. Dengg, Joachim Derval, Corine Durand, Edmée Gulev, Sergei K. Rémy, Elisabeth Talandier, Claude Theetten, Sébastien Maltrud, Mathew Mcclean, Julie de Cuevas, Beverly A. |
author_sort |
Barnier, Bernard |
title |
Impact of partial steps and momentum advection schemes in a global ocean circulation model at eddy-permitting resolution |
title_short |
Impact of partial steps and momentum advection schemes in a global ocean circulation model at eddy-permitting resolution |
title_full |
Impact of partial steps and momentum advection schemes in a global ocean circulation model at eddy-permitting resolution |
title_fullStr |
Impact of partial steps and momentum advection schemes in a global ocean circulation model at eddy-permitting resolution |
title_full_unstemmed |
Impact of partial steps and momentum advection schemes in a global ocean circulation model at eddy-permitting resolution |
title_sort |
impact of partial steps and momentum advection schemes in a global ocean circulation model at eddy-permitting resolution |
publisher |
HAL CCSD |
publishDate |
2006 |
url |
https://hal.science/hal-00138383 https://doi.org/10.1007/s10236-006-0082-1 |
long_lat |
ENVELOPE(-63.567,-63.567,-65.083,-65.083) |
geographic |
Pacific Indian Zapiola |
geographic_facet |
Pacific Indian Zapiola |
genre |
north atlantic current North Atlantic Orca Sea ice |
genre_facet |
north atlantic current North Atlantic Orca Sea ice |
op_source |
ISSN: 1616-7341 EISSN: 1616-7228 Ocean Dynamics https://hal.science/hal-00138383 Ocean Dynamics, 2006, 56 (5-6), pp.543-567. ⟨10.1007/s10236-006-0082-1⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1007/s10236-006-0082-1 hal-00138383 https://hal.science/hal-00138383 doi:10.1007/s10236-006-0082-1 |
op_doi |
https://doi.org/10.1007/s10236-006-0082-1 |
container_title |
Ocean Dynamics |
container_volume |
56 |
container_issue |
5-6 |
container_start_page |
543 |
op_container_end_page |
567 |
_version_ |
1811641587026886656 |
spelling |
ftsorbonneuniv:oai:HAL:hal-00138383v1 2024-09-30T14:39:03+00:00 Impact of partial steps and momentum advection schemes in a global ocean circulation model at eddy-permitting resolution Barnier, Bernard Madec, Gurvan Penduff, Thierry Molines, Jean-Marc Tréguier, Anne-Marie Le Sommer, Julien Beckmann, Aike Biastoch, Arne Böning, Claus W. Dengg, Joachim Derval, Corine Durand, Edmée Gulev, Sergei K. Rémy, Elisabeth Talandier, Claude Theetten, Sébastien Maltrud, Mathew Mcclean, Julie de Cuevas, Beverly A. Laboratoire des Écoulements Géophysiques et Industriels Grenoble (LEGI) Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS) Laboratoire d'océanographie dynamique et de climatologie (LODYC) Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS) Laboratoire de physique des océans (LPO) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS) Division of Geophysics Helsinki Department of Physical Sciences Helsinki Helsingin yliopisto = Helsingfors universitet = University of Helsinki-Helsingin yliopisto = Helsingfors universitet = University of Helsinki Leibniz-Institut für Meereswissenschaften (IFM-GEOMAR) Mercator Océan Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Service hydrographique et océanographique de la Marine-Centre National de la Recherche Scientifique (CNRS)-Météo-France Shirshov Institut of Oceanography Russian Academy of Sciences Moscow (RAS) Fluid Dynamics Group Los Alamos National Laboratory (LANL) Scripps Institution of Oceanography (SIO - UC San Diego) University of California San Diego (UC San Diego) University of California (UC)-University of California (UC) National Oceanography Centre Southampton (NOC) University of Southampton 2006 https://hal.science/hal-00138383 https://doi.org/10.1007/s10236-006-0082-1 en eng HAL CCSD Springer Verlag info:eu-repo/semantics/altIdentifier/doi/10.1007/s10236-006-0082-1 hal-00138383 https://hal.science/hal-00138383 doi:10.1007/s10236-006-0082-1 ISSN: 1616-7341 EISSN: 1616-7228 Ocean Dynamics https://hal.science/hal-00138383 Ocean Dynamics, 2006, 56 (5-6), pp.543-567. ⟨10.1007/s10236-006-0082-1⟩ Global ocean Eddy-permitting ocean model Momentum advection scheme Partial step topography Eddy/topography interactions [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDE.MCG]Environmental Sciences/Global Changes info:eu-repo/semantics/article Journal articles 2006 ftsorbonneuniv https://doi.org/10.1007/s10236-006-0082-1 2024-09-16T14:23:59Z http://www.springerlink.com/content/w8327463321564n3/fulltext.html Series of sensitivity tests were performed with a z-coordinate, global eddy-permitting (1/4°) ocean/sea-ice model (the ORCA-R025 model configuration developed for the DRAKKAR project) to carefully evaluate the impact of recent state-of-the-art numerical schemes on model solutions. The combination of an energy–enstrophy conserving (EEN) scheme for momentum advection with a partial step (PS) representation of the bottom topography yields significant improvements in the mean circulation. Well known biases in the representation of western boundary currents, such as in the Atlantic the detachment of the Gulf Stream, the path of the North Atlantic Current, the location of the Confluence, and the strength of the Zapiola Eddy in the south Atlantic, are partly corrected. Similar improvements are found in the Pacific, Indian, and Southern Oceans, and characteristics of the mean flow are generally much closer to observations. Comparisons with other state-of-the-art models show that the ORCA-R025 configuration generally performs better at similar resolution. In addition, the model solution is often comparable to solutions obtained at 1/6 or 1/10° resolution in some aspects concerning mean flow patterns and distribution of eddy kinetic energy. Although the reasons for these improvements are not analyzed in detail in this paper, evidence is shown that the combination of EEN with PS reduces numerical noise near the bottom, which is likely to affect current–topography interactions in a systematic way. We conclude that significant corrections of the mean biases presently seen in general circulation model solutions at eddy-permitting resolution can still be expected from the development of numerical methods, which represent an alternative to increasing resolution. Article in Journal/Newspaper north atlantic current North Atlantic Orca Sea ice HAL Sorbonne Université Pacific Indian Zapiola ENVELOPE(-63.567,-63.567,-65.083,-65.083) Ocean Dynamics 56 5-6 543 567 |