气候变化领域集成服务门户(CCPortal): Evaluation of CNRM Earth System Model, CNRM-ESM2-1: Role of Earth System Processes in Present-Day and Future Climate

CCPortal

DOI	10.1029/2019MS001791
	Evaluation of CNRM Earth System Model, CNRM-ESM2-1: Role of Earth System Processes in Present-Day and Future Climate
	Séférian R.; Nabat P.; Michou M.; Saint-Martin D.; Voldoire A.; Colin J.; Decharme B.; Delire C.; Berthet S.; Chevallier M.; Sénési S.; Franchisteguy L.; Vial J.; Mallet M.; Joetzjer E.; Geoffroy O.; Guérémy J.-F.; Moine M.-P.; Msadek R.; Ribes A.; Rocher M.; Roehrig R.; Salas-y-Mélia D.; Sanchez E.; Terray L.; Valcke S.; Waldman R.; Aumont O.; Bopp L.; Deshayes J.; Éthé C.; Madec G.
发表日期	2019
ISSN	19422466
起始页码	4182
结束页码	4227
卷号	11 期号:12
英文摘要	This study introduces CNRM-ESM2-1, the Earth system (ES) model of second generation developed by CNRM-CERFACS for the sixth phase of the Coupled Model Intercomparison Project (CMIP6). CNRM-ESM2-1 offers a higher model complexity than the Atmosphere-Ocean General Circulation Model CNRM-CM6-1 by adding interactive ES components such as carbon cycle, aerosols, and atmospheric chemistry. As both models share the same code, physical parameterizations, and grid resolution, they offer a fully traceable framework to investigate how far the represented ES processes impact the model performance over present-day, response to external forcing and future climate projections. Using a large variety of CMIP6 experiments, we show that represented ES processes impact more prominently the model response to external forcing than the model performance over present-day. Both models display comparable performance at replicating modern observations although the mean climate of CNRM-ESM2-1 is slightly warmer than that of CNRM-CM6-1. This difference arises from land cover-aerosol interactions where the use of different soil vegetation distributions between both models impacts the rate of dust emissions. This interaction results in a smaller aerosol burden in CNRM-ESM2-1 than in CNRM-CM6-1, leading to a different surface radiative budget and climate. Greater differences are found when comparing the model response to external forcing and future climate projections. Represented ES processes damp future warming by up to 10% in CNRM-ESM2-1 with respect to CNRM-CM6-1. The representation of land vegetation and the CO2-water-stomatal feedback between both models explain about 60% of this difference. The remainder is driven by other ES feedbacks such as the natural aerosol feedback. ©2019. The Authors.
英文关键词	aerosols; biogeochemical cycles; climate modeling; CMIP6; Earth system modeling; future projections
语种	英语
scopus关键词	Aerosols; Atmospheric chemistry; Biogeochemistry; Budget control; Earth (planet); Vegetation; Atmosphere ocean general circulation models; Biogeochemical cycle; CMIP6; Coupled Model Intercomparison Project; Earth system model; Future climate projections; Future projections; Response to external forcing; Climate models; aerosol; biogeochemical cycle; climate change; climate forcing; climate modeling; CMIP; complexity; future prospect; parameterization; performance assessment; radiation budget
来源期刊	Journal of Advances in Modeling Earth Systems
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/156810
作者单位	CNRM, Université de Toulouse, Météo-France, CNRS, Toulouse, France; Ecole Normale Supérieure/PSL Res. Univ, Ecole Polytechnique, Sorbonne Université, Paris, France; CECI, Université de Toulouse, CNRS, CERFACS, Toulouse, France; LOCEAN-IPSL, Sorbonne Université-CNRS-IRD-MNHN, Paris, France; Institut Pierre Simon Laplace, Paris, France; INRIA, Université Grenoble Alpes, Grenoble, France
推荐引用方式 GB/T 7714	Séférian R.,Nabat P.,Michou M.,et al. Evaluation of CNRM Earth System Model, CNRM-ESM2-1: Role of Earth System Processes in Present-Day and Future Climate[J],2019,11(12).
APA	Séférian R..,Nabat P..,Michou M..,Saint-Martin D..,Voldoire A..,...&Madec G..(2019).Evaluation of CNRM Earth System Model, CNRM-ESM2-1: Role of Earth System Processes in Present-Day and Future Climate.Journal of Advances in Modeling Earth Systems,11(12).
MLA	Séférian R.,et al."Evaluation of CNRM Earth System Model, CNRM-ESM2-1: Role of Earth System Processes in Present-Day and Future Climate".Journal of Advances in Modeling Earth Systems 11.12(2019).