The Beijing Climate Center atmospheric general circulation model: description and its performance for the present-day climate
International audience The Beijing Climate Center atmospheric general circulation model version 2.0.1 (BCC_AGCM2.0.1) is described and its performance in simulating the present-day climate is assessed. BCC_AGCM2.0.1 originates from the community atmospheric model version 3 (CAM3) developed by the Na...
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ftecoleponts:oai:HAL:hal-04113862v1 2024-09-15T18:35:36+00:00 The Beijing Climate Center atmospheric general circulation model: description and its performance for the present-day climate Wu, Tongwen Yu, Rucong Zhang, Fang Wang, Zaizhi Dong, Min Wang, Lanning Jin, Xia Chen, Deliang Li, Laurent Laboratoire de Météorologie Dynamique (UMR 8539) (LMD) Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-École des Ponts ParisTech (ENPC)-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) 2010 https://hal.science/hal-04113862 https://hal.science/hal-04113862/document https://hal.science/hal-04113862/file/s00382-008-0487-2.pdf https://doi.org/10.1007/s00382-008-0487-2 en eng HAL CCSD Springer Verlag info:eu-repo/semantics/altIdentifier/doi/10.1007/s00382-008-0487-2 hal-04113862 https://hal.science/hal-04113862 https://hal.science/hal-04113862/document https://hal.science/hal-04113862/file/s00382-008-0487-2.pdf BIBCODE: 2010ClDy.34.123W doi:10.1007/s00382-008-0487-2 http://creativecommons.org/licenses/by-nc/ info:eu-repo/semantics/OpenAccess ISSN: 0930-7575 EISSN: 1432-0894 Climate Dynamics https://hal.science/hal-04113862 Climate Dynamics, 2010, 34, pp.123-147. ⟨10.1007/s00382-008-0487-2⟩ BCC_AGCM2.0.1 CAM3 Performance Present climate ERA-40 reanalysis [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/article Journal articles 2010 ftecoleponts https://doi.org/10.1007/s00382-008-0487-2 2024-08-13T23:47:27Z International audience The Beijing Climate Center atmospheric general circulation model version 2.0.1 (BCC_AGCM2.0.1) is described and its performance in simulating the present-day climate is assessed. BCC_AGCM2.0.1 originates from the community atmospheric model version 3 (CAM3) developed by the National Center for Atmospheric Research (NCAR). The dynamics in BCC_AGCM2.0.1 is, however, substantially different from the Eulerian spectral formulation of the dynamical equations in CAM3, and several new physical parameterizations have replaced the corresponding original ones. The major modification of the model physics in BCC_AGCM2.0.1 includes a new convection scheme, a dry adiabatic adjustment scheme in which potential temperature is conserved, a modified scheme to calculate the sensible heat and moisture fluxes over the open ocean which takes into account the effect of ocean waves on the latent and sensible heat fluxes, and an empirical equation to compute the snow cover fraction. Specially, the new convection scheme in BCC_AGCM2.0.1, which is generated from the Zhang and McFarlane’s scheme but modified, is tested to have significant improvement in tropical maximum but also the subtropical minimum precipitation, and the modified scheme for turbulent fluxes are validated using EPIC2001 in situ observations and show a large improvement than its original scheme in CAM3. BCC_AGCM2.0.1 is forced by observed monthly varying sea surface temperatures and sea ice concentrations during 1949-2000. The model climatology is compiled for the period 1971-2000 and compared with the ERA-40 reanalysis products. The model performance is evaluated in terms of energy budgets, precipitation, sea level pressure, air temperature, geopotential height, and atmospheric circulation, as well as their seasonal variations. Results show that BCC_AGCM2.0.1 reproduces fairly well the present-day climate. The combined effect of the new dynamical core and the updated physical parameterizations in BCC_AGCM2.0.1 leads to an overall improvement, ... Article in Journal/Newspaper Sea ice École des Ponts ParisTech: HAL Climate Dynamics 34 1 123 147 |
institution |
Open Polar |
collection |
École des Ponts ParisTech: HAL |
op_collection_id |
ftecoleponts |
language |
English |
topic |
BCC_AGCM2.0.1 CAM3 Performance Present climate ERA-40 reanalysis [SDU]Sciences of the Universe [physics] |
spellingShingle |
BCC_AGCM2.0.1 CAM3 Performance Present climate ERA-40 reanalysis [SDU]Sciences of the Universe [physics] Wu, Tongwen Yu, Rucong Zhang, Fang Wang, Zaizhi Dong, Min Wang, Lanning Jin, Xia Chen, Deliang Li, Laurent The Beijing Climate Center atmospheric general circulation model: description and its performance for the present-day climate |
topic_facet |
BCC_AGCM2.0.1 CAM3 Performance Present climate ERA-40 reanalysis [SDU]Sciences of the Universe [physics] |
description |
International audience The Beijing Climate Center atmospheric general circulation model version 2.0.1 (BCC_AGCM2.0.1) is described and its performance in simulating the present-day climate is assessed. BCC_AGCM2.0.1 originates from the community atmospheric model version 3 (CAM3) developed by the National Center for Atmospheric Research (NCAR). The dynamics in BCC_AGCM2.0.1 is, however, substantially different from the Eulerian spectral formulation of the dynamical equations in CAM3, and several new physical parameterizations have replaced the corresponding original ones. The major modification of the model physics in BCC_AGCM2.0.1 includes a new convection scheme, a dry adiabatic adjustment scheme in which potential temperature is conserved, a modified scheme to calculate the sensible heat and moisture fluxes over the open ocean which takes into account the effect of ocean waves on the latent and sensible heat fluxes, and an empirical equation to compute the snow cover fraction. Specially, the new convection scheme in BCC_AGCM2.0.1, which is generated from the Zhang and McFarlane’s scheme but modified, is tested to have significant improvement in tropical maximum but also the subtropical minimum precipitation, and the modified scheme for turbulent fluxes are validated using EPIC2001 in situ observations and show a large improvement than its original scheme in CAM3. BCC_AGCM2.0.1 is forced by observed monthly varying sea surface temperatures and sea ice concentrations during 1949-2000. The model climatology is compiled for the period 1971-2000 and compared with the ERA-40 reanalysis products. The model performance is evaluated in terms of energy budgets, precipitation, sea level pressure, air temperature, geopotential height, and atmospheric circulation, as well as their seasonal variations. Results show that BCC_AGCM2.0.1 reproduces fairly well the present-day climate. The combined effect of the new dynamical core and the updated physical parameterizations in BCC_AGCM2.0.1 leads to an overall improvement, ... |
author2 |
Laboratoire de Météorologie Dynamique (UMR 8539) (LMD) Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-École polytechnique (X) Institut Polytechnique de Paris (IP Paris)-Institut Polytechnique de Paris (IP Paris)-École des Ponts ParisTech (ENPC)-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) |
format |
Article in Journal/Newspaper |
author |
Wu, Tongwen Yu, Rucong Zhang, Fang Wang, Zaizhi Dong, Min Wang, Lanning Jin, Xia Chen, Deliang Li, Laurent |
author_facet |
Wu, Tongwen Yu, Rucong Zhang, Fang Wang, Zaizhi Dong, Min Wang, Lanning Jin, Xia Chen, Deliang Li, Laurent |
author_sort |
Wu, Tongwen |
title |
The Beijing Climate Center atmospheric general circulation model: description and its performance for the present-day climate |
title_short |
The Beijing Climate Center atmospheric general circulation model: description and its performance for the present-day climate |
title_full |
The Beijing Climate Center atmospheric general circulation model: description and its performance for the present-day climate |
title_fullStr |
The Beijing Climate Center atmospheric general circulation model: description and its performance for the present-day climate |
title_full_unstemmed |
The Beijing Climate Center atmospheric general circulation model: description and its performance for the present-day climate |
title_sort |
beijing climate center atmospheric general circulation model: description and its performance for the present-day climate |
publisher |
HAL CCSD |
publishDate |
2010 |
url |
https://hal.science/hal-04113862 https://hal.science/hal-04113862/document https://hal.science/hal-04113862/file/s00382-008-0487-2.pdf https://doi.org/10.1007/s00382-008-0487-2 |
genre |
Sea ice |
genre_facet |
Sea ice |
op_source |
ISSN: 0930-7575 EISSN: 1432-0894 Climate Dynamics https://hal.science/hal-04113862 Climate Dynamics, 2010, 34, pp.123-147. ⟨10.1007/s00382-008-0487-2⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1007/s00382-008-0487-2 hal-04113862 https://hal.science/hal-04113862 https://hal.science/hal-04113862/document https://hal.science/hal-04113862/file/s00382-008-0487-2.pdf BIBCODE: 2010ClDy.34.123W doi:10.1007/s00382-008-0487-2 |
op_rights |
http://creativecommons.org/licenses/by-nc/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1007/s00382-008-0487-2 |
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Climate Dynamics |
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34 |
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