How well do climate models simulate cloud vertical structure? A comparison between CALIPSO-GOCCP satellite observations and CMIP5 models
International audience The Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) satellite provides robust and global direct measurements of the cloud vertical structure. The GCM-Oriented CALIPSO Cloud Product is used to evaluate the simulated clouds in five climate models usin...
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Online Access: | https://hal.science/hal-01113124 https://hal.science/hal-01113124/document https://hal.science/hal-01113124/file/grl29641.pdf https://doi.org/10.1029/2012GL053153 |
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ftepunivpsaclay:oai:HAL:hal-01113124v1 2024-06-09T07:43:42+00:00 How well do climate models simulate cloud vertical structure? A comparison between CALIPSO-GOCCP satellite observations and CMIP5 models Cesana, G. Chepfer, H. 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)-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) 2012 https://hal.science/hal-01113124 https://hal.science/hal-01113124/document https://hal.science/hal-01113124/file/grl29641.pdf https://doi.org/10.1029/2012GL053153 en eng HAL CCSD American Geophysical Union info:eu-repo/semantics/altIdentifier/doi/10.1029/2012GL053153 hal-01113124 https://hal.science/hal-01113124 https://hal.science/hal-01113124/document https://hal.science/hal-01113124/file/grl29641.pdf doi:10.1029/2012GL053153 info:eu-repo/semantics/OpenAccess ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://hal.science/hal-01113124 Geophysical Research Letters, 2012, 39 (20), pp.L20803. ⟨10.1029/2012GL053153⟩ [SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology info:eu-repo/semantics/article Journal articles 2012 ftepunivpsaclay https://doi.org/10.1029/2012GL053153 2024-05-16T12:40:51Z International audience The Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) satellite provides robust and global direct measurements of the cloud vertical structure. The GCM-Oriented CALIPSO Cloud Product is used to evaluate the simulated clouds in five climate models using a lidar simulator. The total cloud cover is underestimated in all models (51% to 62% vs. 64% in observations) except in the Arctic. Continental cloud covers (at low, mid, high altitudes) are highly variable depending on the model. In the tropics, the top of deep convective clouds varies between 14 and 18km in the models versus 16km in the observations, and all models underestimate the low cloud amount (16% to 25%) compared to observations (29%). In the Arctic, the modeled low cloud amounts (37% to 57%) are slightly biased compared to observations (44%), and the models do not reproduce the observed seasonal variation. © 2012. American Geophysical Union. All Rights Reserved. Article in Journal/Newspaper Arctic École Polytechnique, Université Paris-Saclay: HAL Arctic Geophysical Research Letters 39 20 |
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Open Polar |
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École Polytechnique, Université Paris-Saclay: HAL |
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ftepunivpsaclay |
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English |
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[SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology |
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[SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology Cesana, G. Chepfer, H. How well do climate models simulate cloud vertical structure? A comparison between CALIPSO-GOCCP satellite observations and CMIP5 models |
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[SDU.STU.CL]Sciences of the Universe [physics]/Earth Sciences/Climatology |
description |
International audience The Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) satellite provides robust and global direct measurements of the cloud vertical structure. The GCM-Oriented CALIPSO Cloud Product is used to evaluate the simulated clouds in five climate models using a lidar simulator. The total cloud cover is underestimated in all models (51% to 62% vs. 64% in observations) except in the Arctic. Continental cloud covers (at low, mid, high altitudes) are highly variable depending on the model. In the tropics, the top of deep convective clouds varies between 14 and 18km in the models versus 16km in the observations, and all models underestimate the low cloud amount (16% to 25%) compared to observations (29%). In the Arctic, the modeled low cloud amounts (37% to 57%) are slightly biased compared to observations (44%), and the models do not reproduce the observed seasonal variation. © 2012. American Geophysical Union. All Rights Reserved. |
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)-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 |
Cesana, G. Chepfer, H. |
author_facet |
Cesana, G. Chepfer, H. |
author_sort |
Cesana, G. |
title |
How well do climate models simulate cloud vertical structure? A comparison between CALIPSO-GOCCP satellite observations and CMIP5 models |
title_short |
How well do climate models simulate cloud vertical structure? A comparison between CALIPSO-GOCCP satellite observations and CMIP5 models |
title_full |
How well do climate models simulate cloud vertical structure? A comparison between CALIPSO-GOCCP satellite observations and CMIP5 models |
title_fullStr |
How well do climate models simulate cloud vertical structure? A comparison between CALIPSO-GOCCP satellite observations and CMIP5 models |
title_full_unstemmed |
How well do climate models simulate cloud vertical structure? A comparison between CALIPSO-GOCCP satellite observations and CMIP5 models |
title_sort |
how well do climate models simulate cloud vertical structure? a comparison between calipso-goccp satellite observations and cmip5 models |
publisher |
HAL CCSD |
publishDate |
2012 |
url |
https://hal.science/hal-01113124 https://hal.science/hal-01113124/document https://hal.science/hal-01113124/file/grl29641.pdf https://doi.org/10.1029/2012GL053153 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
ISSN: 0094-8276 EISSN: 1944-8007 Geophysical Research Letters https://hal.science/hal-01113124 Geophysical Research Letters, 2012, 39 (20), pp.L20803. ⟨10.1029/2012GL053153⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1029/2012GL053153 hal-01113124 https://hal.science/hal-01113124 https://hal.science/hal-01113124/document https://hal.science/hal-01113124/file/grl29641.pdf doi:10.1029/2012GL053153 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1029/2012GL053153 |
container_title |
Geophysical Research Letters |
container_volume |
39 |
container_issue |
20 |
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1801372570476347392 |