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学科主题: Meteorology & Atmospheric Sciences
题名: Summer High Temperature Extremes in Southeast China: Bonding with the El Nino-Southern Oscillation and East Asian Summer Monsoon Coupled System
作者: Wang, WW ; Zhou, W ; Chen, DL
通讯作者: wenzhou@cityu.edu.hk
刊名: JOURNAL OF CLIMATE
发表日期: 2014
卷: 27, 期:11, 页:4122-4138
收录类别: sci
部门归属: [Wang, Weiwen ; Zhou, Wen] City Univ Hong Kong, Sch Energy & Environm, Guy Carpenter Asia Pacific Climate Impact Ctr, Hong Kong 00852, Hong Kong, Peoples R China ; [Wang, Weiwen] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China ; [Chen, Deliang] Univ Gothenburg, Dept Earth Sci, Gothenburg, Sweden
项目归属: LTO
资助者: National Nature Science Foundation of China [41375096, 41175079]; Macao Meteorological and Geophysical Bureau (SMG) project [9231048]
摘要: This study investigates summer high temperature extremes (HTEs) in southeast China and their linkage with the El Nino-Southem Oscillation (ENSO) and atmospheric circulations in the East Asian summer monsoon (EASM). An interdecadal change in HTEs associated with the abrupt shift of the ENSO monsoon climate in the late 1980s is demonstrated. Before this interdecadal shift, the interannual variability of HTEs was linked mainly to temperature adjustments associated with the meridional displacement of the East Asian jet stream (EAJS), whereas after the shift HTEs were found to follow an ENSO cycle, which may be due to intensified and persistent ENSO activities, tropical Indian Ocean (TIO) warming, and changes in atmospheric teleconnections. Impacts of the EAJS, the South Asian high (SAH), and the western North Pacific subtropical high (WNPSH) on HTEs are further investigated based on empirical orthogonal function (EOF) analysis. It is found that mainly the first leading EOF mode with a homogeneous spatial pattern shows dominance before the interdecadal shift, whereas both of the first two leading EOF modes show dominance after the interdecadal shift. A possible mechanism of how HTEs in southeast China are linked to the EAJS, the SAH, and the WNPSH in the ENSO-monsoon coupled system is proposed.
原文出处: 查看原文
WOS记录号: WOS:000336889300016
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10546
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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Wang, WW; Zhou, W; Chen, DL.Summer High Temperature Extremes in Southeast China: Bonding with the El Nino-Southern Oscillation and East Asian Summer Monsoon Coupled System,JOURNAL OF CLIMATE,2014,27(11):4122-4138
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