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学科主题: Oceanography
题名: Synoptic-scale disturbances over the northern South China Sea and their responses to El Nino
作者: Zeng, LL ; Li, XX ; Du, Y ; Shi, R ; Yao, JL ; Wang, DX ; Sui, DD
通讯作者: zenglili@scsio.ac.cn
关键词: northern South China Sea ; synoptic-scale disturbances ; El Nino ; aerological meteorological observation
刊名: ACTA OCEANOLOGICA SINICA
发表日期: 2012
卷: 31, 期:5, 页:69-78
部门归属: [Zeng Lili; Du Yan; Shi Rui; Yao Jinglong; Wang Dongxiao; Sui Dandan] Chinese Acad Sci, S China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Li Xixi] State Ocean Adm, S China Sea Branch, S China Sea Marine Predict Ctr, Guangzhou 510300, Guangdong, Peoples R China
项目归属: LTO
摘要: Using surface and aerological meteorological observations obtained at the Xisha Automatic Weather Station and three moored buoys along the continental slope, characteristics of the synoptic-scale disturbances over the northern South China Sea (NSCS) are extensively studied. The power spectra of surface and aerological observations suggest a synoptic feature with a pronounced energy peak at a period of 5-8 d and a weak peak at 3-4 d. The standard deviation of the synoptic temperature component derived at Xisha Station from 1976 to 2011 indicates that the strongest variability normally exists in August all through the whole troposphere. At the interannual scale, it is found that El Nio plays an important role in regulating the synoptic disturbances of atmosphere. The vertical synoptic disturbances have a double active peak following El Nio condition. The first peak usually occurs during the mature phase of El Nio, and the second one occurs in the summer of decay year. Comparing with the summer of developing years, the summer of the decaying year of El Nio has more active and stronger synoptic disturbances, especially for the 5-8 d period variations.
语种: 英语
WOS记录号: WOS:000309856200007
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10115
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Recommended Citation:
Zeng, LL; Li, XX; Du, Y; Shi, R; Yao, JL; Wang, DX; Sui, DD.Synoptic-scale disturbances over the northern South China Sea and their responses to El Nino,ACTA OCEANOLOGICA SINICA,2012,31(5):69-78
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