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学科主题: Limnology; Oceanography
题名: Does the Asian monsoon modulate tropical cyclone activity over the South China Sea?
作者: Huang, Q ; Guan, YP
通讯作者: guan@scsio.ac.cn
关键词: typhoon ; South China Sea ; summer monsoon
刊名: CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
发表日期: 2012
卷: 30, 期:6, 页:960-965
部门归属: [Huang Qian; Guan Yuping] Chinese Acad Sci, State Key Lab Trop Oceanog, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Huang Qian] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
项目归属: LTO
摘要: To investigate whether the Asian monsoon influences tropical cyclone (TC) activity over the South China Sea (SCS), TCs (including tropical storms and typhoons) over the SCS are analyzed using the Joint Typhoon Warning Center dataset from 1945 to 2009. Results show an increasing trend in the frequencies of TC-all (all TCs over the SCS) and TY-all (all typhoons over the SCS), due mainly to an increase in the number of TCs moving into the SCS after development elsewhere. Little change is seen in the number of TCs that form in the SCS. The results of wavelet analysis indicate that the frequency of typhoons (TY) shows a similar oscillation as that of TCs, i.e., a dominant periodicity of 8-16 years around the 1970s for all TC activity, except for TC-mov (TCs that moved into the SCS from the western North Pacific). To examine the relationship between typhoon activity and the summer monsoon, a correlation analysis was performed that considered typhoons, TCs, and five monsoon indexes. The analysis reveals statistically significant negative correlation between the strength of the Southwest Asian summer monsoon and typhoon activity over the SCS, which likely reflects the effect of the monsoon on TC formation in the western North Pacific (WNP) and subsequent movement into the SCS. There is a statistically significant negative correlation between TY-loc (typhoons that developed from TCs formed over the SCS) and the South China Sea summer monsoon and Southeast Asian summer monsoon.
语种: 英语
WOS记录号: WOS:000311286500007
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10059
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:
Huang, Q; Guan, YP.Does the Asian monsoon modulate tropical cyclone activity over the South China Sea?,CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2012,30(6):960-965
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