globalchange  > 过去全球变化的重建
DOI: 10.1007/s00382-016-3425-8
Scopus记录号: 2-s2.0-84992727020
论文题名:
The impact of tropical intraseasonal oscillation on the summer rainfall increase over southern China around 1992/1993
作者: Wang J.; Wen Z.; Wu R.; Lin A.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2017
卷: 49, 期:2017-05-06
起始页码: 1847
结束页码: 1863
语种: 英语
英文关键词: Interdecadal change ; Intraseasonal oscillation (ISO) ; Southern China ; Summer rainfall
英文摘要: A pronounced summer rainfall increase over southern China occurred around 1992/1993. In the present study, the impact of the boreal summer intraseasonal oscillation (BSISO) on this decadal increase is investigated through diagnostic analysis. It is found that the BSISO-induced rainfall increase accounts for approximately 17.4% of the observed decadal rainfall increase, with a primary part coming from changes in the rainfall pattern associated with phases 3–5 of the BSISO. A further analysis reveals that changes in rainfall pattern over southern China are mainly ascribed to changes in spatial structure of anomalous convection associated with interdecadal change in BSISO tracks. Apart from significant influence of changes in BSISO tracks, changes in the frequency of individual active BSISO phases also have considerable influence on the interdecadal change in summer rainfall over southern China. Based on our analysis, the increase in absolute and relative frequency of occurrence of phases 1 and 8, coupled with their corresponding rainfall pattern, makes a positive contribution to the increase in southern China summer rainfall. The interdecadal change in the BSISO tracks and the frequency of active BSISO phases is likely related to coherent changes in atmospheric circulation and sea surface temperature over the Indian Ocean and the western Pacific. © 2016, Springer-Verlag Berlin Heidelberg.
资助项目: NSFC, National Natural Science Foundation of China ; NSFC, National Natural Science Foundation of China ; NSFC, National Natural Science Foundation of China
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/53101
Appears in Collections:过去全球变化的重建

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作者单位: Center for Monsoon and Environment Research and Department of Atmospheric Sciences, Sun Yat-Sen University, Guangzhou, China; Center for Monsoon System Research, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing, China; Jiangsu Collaborative Innovation Center for Climate Change, Nanjing, China; School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY, United States; Key Open Laboratory for Tropical Monsoon, Institute of Tropical and Marine Meteorology, CMA, Guangzhou, China

Recommended Citation:
Wang J.,Wen Z.,Wu R.,et al. The impact of tropical intraseasonal oscillation on the summer rainfall increase over southern China around 1992/1993[J]. Climate Dynamics,2017-01-01,49(2017-05-06)
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