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Present Climate Evaluation and Added Value Analysis of Dynamically Downscaled Simulations of CORDEX-East Asia
Li, Delei1,2,3; Yin, Baoshu1,2,3,4; Feng, Jianlong5; Dosio, Alessandro6; Geyer, Beate7; Qi, JiFeng1,2,3; Shi, Hongyuan8; Xu, Zhenhua1,2,3
2018-10-01
发表期刊JOURNAL OF APPLIED METEOROLOGY AND CLIMATOLOGY
ISSN1558-8424
卷号57期号:10页码:2317-2341
通讯作者Xu, Zhenhua(xuzhenhua@qdio.ac.cn)
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.
关键词Asia Climate models Ensembles Model evaluation performance
DOI10.1175/JAMC-D-18-0008.1
收录类别SCI
语种英语
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] ; 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
WOS类目Meteorology & Atmospheric Sciences
WOS记录号WOS:000448241700001
出版者AMER METEOROLOGICAL SOC
引用统计
被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/156541
专题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
第一作者单位海洋环流与波动重点实验室
通讯作者单位海洋环流与波动重点实验室
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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.
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