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学科主题: Oceanography
题名: Recent changes of Northern Indian Ocean summer rainfall based on CMIP5 multi-model
作者: [Yang Yali ; Du Yan ; Zhang Yuhong ; Cheng Xuhua] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China ; [Yang Yali ; Zhang Yuhong] UCAS, Beijing 100049, Peoples R China
通讯作者: duyan@scsio.ac.cn
关键词: NIO summer rainfall ; Indian summer monsoon ; inter-decadal changes
刊名: JOURNAL OF OCEAN UNIVERSITY OF CHINA
发表日期: 2013
卷: 12, 期:2, 页:201-208
部门归属: LTO
资助者: This work was supported by the National Basic Research Program of China (2012CB955603, 2010CB-950302), and the Chinese Academy of Sciences (XDA 05090404, LTOZZ1202).
摘要: This study evaluates the simulation of summer rainfall changes in the Northern Indian Ocean (NIO) based on the fifth phase of Coupled Model Intercomparison Project (CMIP5). The historical runs of 20 CMIP5 coupled General Circulation Models (GCMs) are analyzed. The Multi-Model ensemble (MME) of the CMIP5 models well reproduces the general feature of NIO summer rainfall. For a short period 1979-2005, 14 out of 20 models show an increased trend in the mean rainfall and a similar spatial distribution to the Global Precipitation Climatology Project (GPCP) observations in MME. The increasing of the convergence in the equatorial IO results in the increase of rainfall significantly. The equatorial rainfall trend patterns seem modulated by the SST warming in the tropical Indian Ocean, which confirm the mechanism of 'warmer-get-wetter' theory. For a long period 1950-2005, the trend of monsoon rainfall over India shows a decrease over the most parts of the India except an increase over the south corn er of the Indian Peninsula, due to a weakened summer monsoon circulation. The pattern is well simulated in half of the CMIP5 models. The rainfall over the north India is different for a short period, in which rainfall increases in 1979-2005, implying possible decadal variation in the NIO summer climate.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000318300200002
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10909
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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Recommended Citation:
[Yang Yali; Du Yan; Zhang Yuhong; Cheng Xuhua] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Yang Yali; Zhang Yuhong] UCAS, Beijing 100049, Peoples R China.Recent changes of Northern Indian Ocean summer rainfall based on CMIP5 multi-model,JOURNAL OF OCEAN UNIVERSITY OF CHINA,2013,12(2):201-208
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