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学科主题: Oceanography
题名: Diurnal wind and nonlinear interaction between inertial and tidal currents in the South China Sea during the passage of Typhoon Conson
作者: Liu, JL ; Cai, SQ ; Wang, SG
通讯作者: caisq@scsio.ac.cn
关键词: diurnal winds ; typhoon ; inertial currents ; nonlinear interaction ; slab damped models
刊名: ACTA OCEANOLOGICA SINICA
发表日期: 2014
卷: 33, 期:5, 页:1-7
收录类别: sci
部门归属: [Liu Junliang ; Cai Shuqun ; Wang Shengan] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China ; [Liu Junliang] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
项目归属: LTO
资助者: Knowledge Innovation Program of the Chinese Academy of Sciences [SQ201206]; Innovation Group Program of State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences [LTOZZ1201]; National Basic Research Program [2013CB956101]; National Natural Science Foundation of China [41025019]
摘要: Diurnal wind (DW) and nonlinear interaction between inertial and tidal currents near the Xisha Islands of the South China Sea (SCS) during the passage of Typhoon Conson (2010) are investigated using observational data and a damped slab model. It is found that the DWs, which are dominated by clockwise wind components, are prominent at our observational site. The DWs increase after the passage of the typhoon from 1 to about 4 m/s, which may be due to the decrease of the sea surface temperature caused by the passage of the typhoon. Kinetic energy spectra and bicoherence methods reveal nonlinear interactions between the inertial currents and the 2MK(3) tidal constituent at our observational site. The slab damped model reproduces the inertial currents successfully induced by the total observed winds, and it is shown that the inertial currents induced by DWs are positively proportional to the DWs speed. Even though the observed inertial currents are distinct, the proportion of inertial currents induced by DWs to those induced by the total observed winds is just 0.7%/4% before/after the passage of typhoon. This shows that the inertial currents induced by the DWs are unimportant near the Xisha Islands during the typhoon season.
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WOS记录号: WOS:000334900100001
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10556
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Liu, JL; Cai, SQ; Wang, SG.Diurnal wind and nonlinear interaction between inertial and tidal currents in the South China Sea during the passage of Typhoon Conson,ACTA OCEANOLOGICA SINICA,2014,33(5):1-7
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