An energetics study of wintertime Northern Hemisphere storm tracks under 4 × CO$_2$ conditions in two ocean–atmosphere coupled models
International audience Different possible behaviors of winter Northern Hemisphere storm tracks under 4 × CO$_2$ forcing are considered by analyzing the response of two of the ocean–atmosphere coupled models that were run for the fourth Assessment Report of the Intergovernmental Panel on Climate Chan...
Published in: | Journal of Climate |
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Main Authors: | , , , , , , |
Other Authors: | , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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HAL CCSD
2009
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Subjects: | |
Online Access: | https://hal.science/hal-02930820 https://hal.science/hal-02930820/document https://hal.science/hal-02930820/file/%5B15200442%20-%20Journal%20of%20Climate%5D%20An%20Energetics%20Study%20of%20Wintertime%20Northern%20Hemisphere%20Storm%20Tracks%20under%204%20%C3%97%20CO2%20Conditions%20in%20Two%20Ocean%E2%80%93Atmosphere%20Coupled%20Models.pdf https://doi.org/10.1175/2008JCLI2217.1 |
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ftutoulouse3hal:oai:HAL:hal-02930820v1 |
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openpolar |
institution |
Open Polar |
collection |
Université Toulouse III - Paul Sabatier: HAL-UPS |
op_collection_id |
ftutoulouse3hal |
language |
English |
topic |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology |
spellingShingle |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology Laine, Alexandre Kageyama, Masa Salas-Mélia, David Ramstein, Gilles Planton, Serge Denvil, Sébastien Tyteca, Sophie An energetics study of wintertime Northern Hemisphere storm tracks under 4 × CO$_2$ conditions in two ocean–atmosphere coupled models |
topic_facet |
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology |
description |
International audience Different possible behaviors of winter Northern Hemisphere storm tracks under 4 × CO$_2$ forcing are considered by analyzing the response of two of the ocean–atmosphere coupled models that were run for the fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC-AR4), namely the Institut Pierre Simon Laplace’s global coupled model (IPSL-CM4) and the Centre National de Recherches Meteorologiques’s coupled ocean–atmosphere model (CNRM-CM3). It is interesting to compare these models due to their very different responses, especially concerning the North Atlantic storm track.A local energetics study of the synoptic variability in both models is performed, derived from the eddy energy equations, including diabatic terms. The ability of both models to simulate the present-day eddy energetics is considered, indicating no major discrepancies.Both models indicate that the primary cause for synoptic activity changes at the western end of the storm tracks is related to the baroclinic conversion process, due to mean temperature gradient changes in some localized regions of the western oceanic basins, but also resulting from changes in the eddy efficiency to convert energy from the mean flow. Farther downstream, latent heat release during the developing and mature stages of eddies becomes an important eddy energy source especially in terms of changes between 4 × CO$_2$ and preindustrial conditions. This diabatic process amplifies the upstream synoptic (hence usually baroclinic) changes, with more and/or stronger storms implying more latent heat being released (and the converse being true for weaker synoptic activity). This amplification is asymmetrical for the models considered under the simulated 4 × CO$_2$ conditions, due to a greater amount of water vapor contained in warmer air and hence the potential for more condensation for a given synoptic activity. The magnitude of the reduced latent heating is attenuated, whereas increased latent heating is strengthened. Ageostrophic ... |
author2 |
Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA) Modélisation du climat (CLIM) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) 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 de Toulouse (UT)-Université de Toulouse (UT)-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 de Toulouse (UT)-Université de Toulouse (UT)-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) Laboratoire de Météorologie Dynamique (UMR 8539) (LMD) Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-École des Ponts ParisTech (ENPC)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Département des Géosciences - ENS Paris École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL) ANR-05-BLAN-0310,IDEGLACE,Impact de Décharges d'Eau douce provenant de la GLace continentale sur le Climat Européen et méditerranéen(2005) |
format |
Article in Journal/Newspaper |
author |
Laine, Alexandre Kageyama, Masa Salas-Mélia, David Ramstein, Gilles Planton, Serge Denvil, Sébastien Tyteca, Sophie |
author_facet |
Laine, Alexandre Kageyama, Masa Salas-Mélia, David Ramstein, Gilles Planton, Serge Denvil, Sébastien Tyteca, Sophie |
author_sort |
Laine, Alexandre |
title |
An energetics study of wintertime Northern Hemisphere storm tracks under 4 × CO$_2$ conditions in two ocean–atmosphere coupled models |
title_short |
An energetics study of wintertime Northern Hemisphere storm tracks under 4 × CO$_2$ conditions in two ocean–atmosphere coupled models |
title_full |
An energetics study of wintertime Northern Hemisphere storm tracks under 4 × CO$_2$ conditions in two ocean–atmosphere coupled models |
title_fullStr |
An energetics study of wintertime Northern Hemisphere storm tracks under 4 × CO$_2$ conditions in two ocean–atmosphere coupled models |
title_full_unstemmed |
An energetics study of wintertime Northern Hemisphere storm tracks under 4 × CO$_2$ conditions in two ocean–atmosphere coupled models |
title_sort |
energetics study of wintertime northern hemisphere storm tracks under 4 × co$_2$ conditions in two ocean–atmosphere coupled models |
publisher |
HAL CCSD |
publishDate |
2009 |
url |
https://hal.science/hal-02930820 https://hal.science/hal-02930820/document https://hal.science/hal-02930820/file/%5B15200442%20-%20Journal%20of%20Climate%5D%20An%20Energetics%20Study%20of%20Wintertime%20Northern%20Hemisphere%20Storm%20Tracks%20under%204%20%C3%97%20CO2%20Conditions%20in%20Two%20Ocean%E2%80%93Atmosphere%20Coupled%20Models.pdf https://doi.org/10.1175/2008JCLI2217.1 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
ISSN: 0894-8755 EISSN: 1520-0442 Journal of Climate https://hal.science/hal-02930820 Journal of Climate, 2009, 22 (3), pp.819-839. ⟨10.1175/2008JCLI2217.1⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1175/2008JCLI2217.1 hal-02930820 https://hal.science/hal-02930820 https://hal.science/hal-02930820/document https://hal.science/hal-02930820/file/%5B15200442%20-%20Journal%20of%20Climate%5D%20An%20Energetics%20Study%20of%20Wintertime%20Northern%20Hemisphere%20Storm%20Tracks%20under%204%20%C3%97%20CO2%20Conditions%20in%20Two%20Ocean%E2%80%93Atmosphere%20Coupled%20Models.pdf doi:10.1175/2008JCLI2217.1 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1175/2008JCLI2217.1 |
container_title |
Journal of Climate |
container_volume |
22 |
container_issue |
3 |
container_start_page |
819 |
op_container_end_page |
839 |
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1799485507882713088 |
spelling |
ftutoulouse3hal:oai:HAL:hal-02930820v1 2024-05-19T07:45:27+00:00 An energetics study of wintertime Northern Hemisphere storm tracks under 4 × CO$_2$ conditions in two ocean–atmosphere coupled models Laine, Alexandre Kageyama, Masa Salas-Mélia, David Ramstein, Gilles Planton, Serge Denvil, Sébastien Tyteca, Sophie Laboratoire des Sciences du Climat et de l'Environnement Gif-sur-Yvette (LSCE) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA) Modélisation du climat (CLIM) Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Direction de Recherche Fondamentale (CEA) (DRF (CEA)) 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 de Toulouse (UT)-Université de Toulouse (UT)-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 de Toulouse (UT)-Université de Toulouse (UT)-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) Laboratoire de Météorologie Dynamique (UMR 8539) (LMD) Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X)-École des Ponts ParisTech (ENPC)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Département des Géosciences - ENS Paris École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-École normale supérieure - Paris (ENS-PSL) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL) ANR-05-BLAN-0310,IDEGLACE,Impact de Décharges d'Eau douce provenant de la GLace continentale sur le Climat Européen et méditerranéen(2005) 2009 https://hal.science/hal-02930820 https://hal.science/hal-02930820/document https://hal.science/hal-02930820/file/%5B15200442%20-%20Journal%20of%20Climate%5D%20An%20Energetics%20Study%20of%20Wintertime%20Northern%20Hemisphere%20Storm%20Tracks%20under%204%20%C3%97%20CO2%20Conditions%20in%20Two%20Ocean%E2%80%93Atmosphere%20Coupled%20Models.pdf https://doi.org/10.1175/2008JCLI2217.1 en eng HAL CCSD American Meteorological Society info:eu-repo/semantics/altIdentifier/doi/10.1175/2008JCLI2217.1 hal-02930820 https://hal.science/hal-02930820 https://hal.science/hal-02930820/document https://hal.science/hal-02930820/file/%5B15200442%20-%20Journal%20of%20Climate%5D%20An%20Energetics%20Study%20of%20Wintertime%20Northern%20Hemisphere%20Storm%20Tracks%20under%204%20%C3%97%20CO2%20Conditions%20in%20Two%20Ocean%E2%80%93Atmosphere%20Coupled%20Models.pdf doi:10.1175/2008JCLI2217.1 info:eu-repo/semantics/OpenAccess ISSN: 0894-8755 EISSN: 1520-0442 Journal of Climate https://hal.science/hal-02930820 Journal of Climate, 2009, 22 (3), pp.819-839. ⟨10.1175/2008JCLI2217.1⟩ [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology info:eu-repo/semantics/article Journal articles 2009 ftutoulouse3hal https://doi.org/10.1175/2008JCLI2217.1 2024-04-25T01:04:21Z International audience Different possible behaviors of winter Northern Hemisphere storm tracks under 4 × CO$_2$ forcing are considered by analyzing the response of two of the ocean–atmosphere coupled models that were run for the fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC-AR4), namely the Institut Pierre Simon Laplace’s global coupled model (IPSL-CM4) and the Centre National de Recherches Meteorologiques’s coupled ocean–atmosphere model (CNRM-CM3). It is interesting to compare these models due to their very different responses, especially concerning the North Atlantic storm track.A local energetics study of the synoptic variability in both models is performed, derived from the eddy energy equations, including diabatic terms. The ability of both models to simulate the present-day eddy energetics is considered, indicating no major discrepancies.Both models indicate that the primary cause for synoptic activity changes at the western end of the storm tracks is related to the baroclinic conversion process, due to mean temperature gradient changes in some localized regions of the western oceanic basins, but also resulting from changes in the eddy efficiency to convert energy from the mean flow. Farther downstream, latent heat release during the developing and mature stages of eddies becomes an important eddy energy source especially in terms of changes between 4 × CO$_2$ and preindustrial conditions. This diabatic process amplifies the upstream synoptic (hence usually baroclinic) changes, with more and/or stronger storms implying more latent heat being released (and the converse being true for weaker synoptic activity). This amplification is asymmetrical for the models considered under the simulated 4 × CO$_2$ conditions, due to a greater amount of water vapor contained in warmer air and hence the potential for more condensation for a given synoptic activity. The magnitude of the reduced latent heating is attenuated, whereas increased latent heating is strengthened. Ageostrophic ... Article in Journal/Newspaper North Atlantic Université Toulouse III - Paul Sabatier: HAL-UPS Journal of Climate 22 3 819 839 |