Response of internal solitary waves to tropical storm Washi in the northwestern South China Sea

doi:10.5194/angeo-29-2181-2011

IOCAS-IR > 海洋环流与波动重点实验室

	Response of internal solitary waves to tropical storm Washi in the northwestern South China Sea
	Xu, Z. H.1,2; Yin, B. S.1,2; Hou, Y. J.1,2
	2011
发表期刊	ANNALES GEOPHYSICAE
ISSN	0992-7689
卷号	29 期号:11 页码:2181-2187
文章类型	Article
摘要	Based on in-situ time series data from an array of temperature sensors and an acoustic Doppler current profiler on the continental shelf of the northwestern South China Sea, a sequence of internal solitary waves (ISWs) were observed during the passage of tropical storm Washi in the summer of 2005, which provided a unique opportunity to investigate the ISW response to the tropical cyclone. The passing tropical storm is found to play an important role in affecting the stratification structure of the water column, and consequently leading to significant variability in the propagating features of the ISWs, such as the polarity reversal and amplitude variations of the waves. The response of the ISWs to Washi can be divided into two stages, direct forcing by the strong wind (during the arrival of Washi) and remote forcing via the near-inertial internal waves induced by the tropical storm (after the passage of Washi). The field observations as well as a theoretical analysis suggest that the variations of the ISWs closely coincide with the changing stratification structure and shear currents in accompanied by the typhoon wind and near-inertial waves. This study presents the first observations and analysis of the ISW response to the tropical cyclone in the South China Sea.; Based on in-situ time series data from an array of temperature sensors and an acoustic Doppler current profiler on the continental shelf of the northwestern South China Sea, a sequence of internal solitary waves (ISWs) were observed during the passage of tropical storm Washi in the summer of 2005, which provided a unique opportunity to investigate the ISW response to the tropical cyclone. The passing tropical storm is found to play an important role in affecting the stratification structure of the water column, and consequently leading to significant variability in the propagating features of the ISWs, such as the polarity reversal and amplitude variations of the waves. The response of the ISWs to Washi can be divided into two stages, direct forcing by the strong wind (during the arrival of Washi) and remote forcing via the near-inertial internal waves induced by the tropical storm (after the passage of Washi). The field observations as well as a theoretical analysis suggest that the variations of the ISWs closely coincide with the changing stratification structure and shear currents in accompanied by the typhoon wind and near-inertial waves. This study presents the first observations and analysis of the ISW response to the tropical cyclone in the South China Sea.
关键词	Meteorology And Atmospheric Dynamics Ocean-atmosphere Interactions Waves And Tides
学科领域	Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
DOI	10.5194/angeo-29-2181-2011
URL	查看原文
收录类别	SCI
语种	英语
WOS记录号	WOS:000298135100016
引用统计	被引频次：18[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/11603
专题	海洋环流与波动重点实验室
作者单位	1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China 2.Chinese Acad Sci, Key Lab Ocean Circulat & Waves KLOCAW, Qingdao 266071, Peoples R China
推荐引用方式 GB/T 7714	Xu, Z. H.,Yin, B. S.,Hou, Y. J.. Response of internal solitary waves to tropical storm Washi in the northwestern South China Sea[J]. ANNALES GEOPHYSICAE,2011,29(11):2181-2187.
APA	Xu, Z. H.,Yin, B. S.,&Hou, Y. J..(2011).Response of internal solitary waves to tropical storm Washi in the northwestern South China Sea.ANNALES GEOPHYSICAE,29(11),2181-2187.
MLA	Xu, Z. H.,et al."Response of internal solitary waves to tropical storm Washi in the northwestern South China Sea".ANNALES GEOPHYSICAE 29.11(2011):2181-2187.

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