Validation of a limited area model over Dome C, Antarctic Plateau, during winter
International audience The limited area model MAR (Modèle Atmosphérique Régional) is validated over the Antarctic Plateau for the period 2004-2006, focussing on Dome C during the cold season. MAR simulations are made by initializing the model once and by forcing it through its lateral and top bounda...
Published in: | Climate Dynamics |
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Format: | Article in Journal/Newspaper |
Language: | English |
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HAL CCSD
2010
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Online Access: | https://hal.archives-ouvertes.fr/hal-00561258 https://doi.org/10.1007/S00382-008-0499-Y |
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Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
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English |
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Antarctic Plateau Dome C Regional climate model Cloud radiative properties [SDU.STU.GL]Sciences of the Universe [physics]/Earth Sciences/Glaciology |
spellingShingle |
Antarctic Plateau Dome C Regional climate model Cloud radiative properties [SDU.STU.GL]Sciences of the Universe [physics]/Earth Sciences/Glaciology Gallée, Hubert Gorodetskaya, Irina V. Validation of a limited area model over Dome C, Antarctic Plateau, during winter |
topic_facet |
Antarctic Plateau Dome C Regional climate model Cloud radiative properties [SDU.STU.GL]Sciences of the Universe [physics]/Earth Sciences/Glaciology |
description |
International audience The limited area model MAR (Modèle Atmosphérique Régional) is validated over the Antarctic Plateau for the period 2004-2006, focussing on Dome C during the cold season. MAR simulations are made by initializing the model once and by forcing it through its lateral and top boundaries by the ECMWF operational analyses. Model outputs compare favourably with observations from automatic weather station (AWS), radiometers and atmospheric soundings. MAR is able to simulate the succession of cold and warm events which occur at Dome C during winter. Larger longwave downwelling fluxes (LWD) are responsible for higher surface air temperatures and weaker surface inversions during winter. Warm events are better simulated when the small Antarctic precipitating snow particles are taken into account in radiative transfer computations. MAR stratosphere cools during the cold season, with the coldest temperatures occurring in conjunction with warm events at the surface. The decrease of saturation specific humidity associated with these coldest temperatures is responsible for the formation of polar stratospheric clouds (PSCs) especially in August-September. PSCs then contribute to the surface warming by increasing the surface downwelling longwave flux. |
author2 |
CLIPS Laboratoire de glaciologie et géophysique de l'environnement (LGGE) Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG) Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG) Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS) OTP 232 333 |
format |
Article in Journal/Newspaper |
author |
Gallée, Hubert Gorodetskaya, Irina V. |
author_facet |
Gallée, Hubert Gorodetskaya, Irina V. |
author_sort |
Gallée, Hubert |
title |
Validation of a limited area model over Dome C, Antarctic Plateau, during winter |
title_short |
Validation of a limited area model over Dome C, Antarctic Plateau, during winter |
title_full |
Validation of a limited area model over Dome C, Antarctic Plateau, during winter |
title_fullStr |
Validation of a limited area model over Dome C, Antarctic Plateau, during winter |
title_full_unstemmed |
Validation of a limited area model over Dome C, Antarctic Plateau, during winter |
title_sort |
validation of a limited area model over dome c, antarctic plateau, during winter |
publisher |
HAL CCSD |
publishDate |
2010 |
url |
https://hal.archives-ouvertes.fr/hal-00561258 https://doi.org/10.1007/S00382-008-0499-Y |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
ISSN: 0930-7575 EISSN: 1432-0894 Climate Dynamics https://hal.archives-ouvertes.fr/hal-00561258 Climate Dynamics, Springer Verlag, 2010, 34 (1), pp.61-72. ⟨10.1007/S00382-008-0499-Y⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1007/S00382-008-0499-Y hal-00561258 https://hal.archives-ouvertes.fr/hal-00561258 BIBCODE: 2010ClDy.34.61G doi:10.1007/S00382-008-0499-Y |
op_doi |
https://doi.org/10.1007/S00382-008-0499-Y |
container_title |
Climate Dynamics |
container_volume |
34 |
container_issue |
1 |
container_start_page |
61 |
op_container_end_page |
72 |
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1766270293044625408 |
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ftccsdartic:oai:HAL:hal-00561258v1 2023-05-15T14:00:54+02:00 Validation of a limited area model over Dome C, Antarctic Plateau, during winter Gallée, Hubert Gorodetskaya, Irina V. CLIPS Laboratoire de glaciologie et géophysique de l'environnement (LGGE) Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG) Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG) Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS) OTP 232 333 2010-01 https://hal.archives-ouvertes.fr/hal-00561258 https://doi.org/10.1007/S00382-008-0499-Y en eng HAL CCSD Springer Verlag info:eu-repo/semantics/altIdentifier/doi/10.1007/S00382-008-0499-Y hal-00561258 https://hal.archives-ouvertes.fr/hal-00561258 BIBCODE: 2010ClDy.34.61G doi:10.1007/S00382-008-0499-Y ISSN: 0930-7575 EISSN: 1432-0894 Climate Dynamics https://hal.archives-ouvertes.fr/hal-00561258 Climate Dynamics, Springer Verlag, 2010, 34 (1), pp.61-72. ⟨10.1007/S00382-008-0499-Y⟩ Antarctic Plateau Dome C Regional climate model Cloud radiative properties [SDU.STU.GL]Sciences of the Universe [physics]/Earth Sciences/Glaciology info:eu-repo/semantics/article Journal articles 2010 ftccsdartic https://doi.org/10.1007/S00382-008-0499-Y 2021-10-24T18:06:43Z International audience The limited area model MAR (Modèle Atmosphérique Régional) is validated over the Antarctic Plateau for the period 2004-2006, focussing on Dome C during the cold season. MAR simulations are made by initializing the model once and by forcing it through its lateral and top boundaries by the ECMWF operational analyses. Model outputs compare favourably with observations from automatic weather station (AWS), radiometers and atmospheric soundings. MAR is able to simulate the succession of cold and warm events which occur at Dome C during winter. Larger longwave downwelling fluxes (LWD) are responsible for higher surface air temperatures and weaker surface inversions during winter. Warm events are better simulated when the small Antarctic precipitating snow particles are taken into account in radiative transfer computations. MAR stratosphere cools during the cold season, with the coldest temperatures occurring in conjunction with warm events at the surface. The decrease of saturation specific humidity associated with these coldest temperatures is responsible for the formation of polar stratospheric clouds (PSCs) especially in August-September. PSCs then contribute to the surface warming by increasing the surface downwelling longwave flux. Article in Journal/Newspaper Antarc* Antarctic Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Antarctic The Antarctic Climate Dynamics 34 1 61 72 |