Present Climate Evaluation and Added Value Analysis of Dynamically Downscaled Simulations of CORDEX-East Asia

doi:10.1175/JAMC-D-18-0008.1

CORC > 海洋研究所 > 中国科学院海洋研究所 > 海洋环流与波动重点实验室

	Present Climate Evaluation and Added Value Analysis of Dynamically Downscaled Simulations of CORDEX-East Asia
	Li, Delei 1,2,3; Yin, Baoshu 1,2,3,4; Feng, Jianlong 5; Dosio, Alessandro 6; Geyer, Beate 7; Qi, JiFeng 1,2,3; Shi, Hongyuan 8; Xu, Zhenhua 1,2,3
刊名	JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY
	2018-10-01
卷号	57 期号:10 页码:2317-2341
关键词	Asia Climate models Ensembles Model evaluation performance
ISSN号	1558-8424
DOI	10.1175/JAMC-D-18-0008.1
通讯作者	Xu, Zhenhua(xuzhenhua@qdio.ac.cn)
英文摘要	In this study, we investigate the skills of the regional climate model Consortium for Small-Scale Modeling in Climate Mode (CCLM) in reproducing historical climatic features and their added value to the driving global climate models (GCMs) of the Coordinated Regional Climate Downscaling Experiment-East Asia (CORDEX-EA) domain. An ensemble of climate simulations, with a resolution of 0.44 degrees, was conducted by downscaling four GCMs: CNRM-CM5, EC-EARTH, HadGEM2, and MPI-ESM-LR. The CCLM outputs were compared with different observations and reanalysis datasets. Results showed strong seasonal variability of CCLM's ability in reproducing climatological means, variability, and extremes. The bias of the simulated summer temperatures is generally smaller than that of the winter temperatures; in addition, areas where CCLM adds value to the driving GCMs in simulating temperature are larger in the winter than in the summer. CCLM outperforms GCMs in terms of generating climatological precipitation means and daily precipitation distributions for most regions in the winter, but this is not always the case for the summer. It was found that CCLM biases are partly inherited from GCMs and are significantly shaped by structural biases of CCLM. Furthermore, downscaled simulations show added value in capturing features of consecutive wet days for the tropics and of consecutive dry days for areas to the north of 30 degrees N. We found considerable uncertainty from reanalysis and observation datasets in temperatures and precipitation climatological means for some regions that rival bias values of GCMs and CCLM simulations. We recommend carefully selecting reference datasets when evaluating modeled climate means.
资助项目	National Key Research and Development Program of China[2017YFA0604101] ; National Natural Science Foundation of China[41706019] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences (CAS) ; CAS Interdisciplinary Innovation Team, through the Key Research Program of Frontier Sciences of the CAS ; China Postdoctoral Science Foundation[2017T100520] ; [2017M612357]
WOS研究方向	Meteorology & Atmospheric Sciences
语种	英语
出版者	AMER METEOROLOGICAL SOC
WOS记录号	WOS:000448241700001
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/156541]
专题	海洋研究所_海洋环流与波动重点实验室
通讯作者	Xu, Zhenhua
作者单位	1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Funct Lab Ocean Dynam & Climate, Qingdao, Peoples R China 3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Peoples R China 4.Univ Chinese Acad Sci, Beijing, Peoples R China 5.Natl Marine Data & Informat Serv, Tianjin, Peoples R China 6.Joint Res Ctr, European Commiss, Ispra, Italy 7.Helmholtz Zentrum Geesthacht Ctr Mat & Coastal Re, Geesthacht, Germany 8.Ludong Univ, Sch Civil Engn, Yantai, Peoples R China
推荐引用方式 GB/T 7714	Li, Delei,Yin, Baoshu,Feng, Jianlong,et al. Present Climate Evaluation and Added Value Analysis of Dynamically Downscaled Simulations of CORDEX-East Asia[J]. JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY,2018,57(10):2317-2341.
APA	Li, Delei.,Yin, Baoshu.,Feng, Jianlong.,Dosio, Alessandro.,Geyer, Beate.,...&Xu, Zhenhua.(2018).Present Climate Evaluation and Added Value Analysis of Dynamically Downscaled Simulations of CORDEX-East Asia.JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY,57(10),2317-2341.
MLA	Li, Delei,et al."Present Climate Evaluation and Added Value Analysis of Dynamically Downscaled Simulations of CORDEX-East Asia".JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY 57.10(2018):2317-2341.