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Presentation and Evaluation of the IPSL‐CM6A‐LR Climate Model
Journal of Advances in Modeling Earth Systems ( IF 6.8 ) Pub Date : 2020-07-20 , DOI: 10.1029/2019ms002010
Olivier Boucher 1 , Jérôme Servonnat 2 , Anna Lea Albright 3 , Olivier Aumont 4 , Yves Balkanski 2 , Vladislav Bastrikov 2 , Slimane Bekki 5 , Rémy Bonnet 1 , Sandrine Bony 3 , Laurent Bopp 3 , Pascale Braconnot 2 , Patrick Brockmann 2 , Patricia Cadule 1 , Arnaud Caubel 2 , Frederique Cheruy 3 , Francis Codron 4 , Anne Cozic 2 , David Cugnet 3 , Fabio D'Andrea 3 , Paolo Davini 6 , Casimir Lavergne 4 , Sébastien Denvil 1 , Julie Deshayes 4 , Marion Devilliers 7 , Agnes Ducharne 8 , Jean‐Louis Dufresne 3 , Eliott Dupont 1 , Christian Éthé 1 , Laurent Fairhead 3 , Lola Falletti 5 , Simona Flavoni 4 , Marie‐Alice Foujols 1 , Sébastien Gardoll 1 , Guillaume Gastineau 4 , Josefine Ghattas 1 , Jean‐Yves Grandpeix 3 , Bertrand Guenet 2 , Lionel, E. Guez 3 , Eric Guilyardi 4 , Matthieu Guimberteau 2 , Didier Hauglustaine 2 , Frédéric Hourdin 3 , Abderrahmane Idelkadi 3 , Sylvie Joussaume 2 , Masa Kageyama 2 , Myriam Khodri 4 , Gerhard Krinner 9 , Nicolas Lebas 4 , Guillaume Levavasseur 1 , Claire Lévy 4 , Laurent Li 3 , François Lott 3 , Thibaut Lurton 1 , Sebastiaan Luyssaert 10 , Gurvan Madec 4 , Jean‐Baptiste Madeleine 3 , Fabienne Maignan 2 , Marion Marchand 5 , Olivier Marti 2 , Lidia Mellul 3 , Yann Meurdesoif 2 , Juliette Mignot 4 , Ionela Musat 3 , Catherine Ottlé 2 , Philippe Peylin 2 , Yann Planton 4 , Jan Polcher 3 , Catherine Rio 11 , Nicolas Rochetin 3 , Clément Rousset 4 , Pierre Sepulchre 2 , Adriana Sima 3 , Didier Swingedouw 7 , Rémi Thiéblemont 12 , Abdoul Khadre Traore 3 , Martin Vancoppenolle 4 , Jessica Vial 3 , Jérôme Vialard 4 , Nicolas Viovy 2 , Nicolas Vuichard 2
Affiliation  

This study presents the global climate model IPSL‐CM6A‐LR developed at Institut Pierre‐Simon Laplace (IPSL) to study natural climate variability and climate response to natural and anthropogenic forcings as part of the sixth phase of the Coupled Model Intercomparison Project (CMIP6). This article describes the different model components, their coupling, and the simulated climate in comparison to previous model versions. We focus here on the representation of the physical climate along with the main characteristics of the global carbon cycle. The model's climatology, as assessed from a range of metrics (related in particular to radiation, temperature, precipitation, and wind), is strongly improved in comparison to previous model versions. Although they are reduced, a number of known biases and shortcomings (e.g., double Intertropical Convergence Zone [ITCZ], frequency of midlatitude wintertime blockings, and El Niño–Southern Oscillation [ENSO] dynamics) persist. The equilibrium climate sensitivity and transient climate response have both increased from the previous climate model IPSL‐CM5A‐LR used in CMIP5. A large ensemble of more than 30 members for the historical period (1850–2018) and a smaller ensemble for a range of emissions scenarios (until 2100 and 2300) are also presented and discussed.

中文翻译:

IPSL-CM6A-LR气候模型的演示和评估

这项研究介绍了皮埃尔·西蒙·拉普拉斯研究所(IPSL)研发的全球气候模型IPSL‐CM6A‐LR,以研究自然气候变异性以及对自然和人为强迫的气候响应,这是耦合模型比较项目(CMIP6)第六阶段的一部分。本文介绍了与以前的模型版本相比不同的模型组件,它们的耦合以及模拟的气候。在这里,我们将重点放在物理气候的表示以及全球碳循环的主要特征上。与以前的模型版本相比,通过一系列指标(特别是与辐射,温度,降水和风有关)评估的模型气候状况得到了极大改善。尽管这些偏见有所减少,但存在许多已知的偏见和缺点(例如,仍然保持着双重的热带辐合带(ITCZ),冬季中纬度冬季阻塞的频率以及厄尔尼诺现象-南方涛动[ENSO]动力学。平衡气候敏感性和瞬态气候响应均比CMIP5中使用的先前气候模型IPSL-CM5A-LR都增加了。还介绍并讨论了历史时期(1850–2018年)的一个大型合奏,成员超过30个,而一系列排放情景(直到2100年和2300年)的合奏则较小。
更新日期:2020-07-20
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