IOCAS-IR  > 海洋环流与波动重点实验室
Highly nonlinear internal solitary waves over the continental shelf of the northwestern South China Sea
Xu Zhenhua1,2; Yin Baoshu1,2; Hou Yijun1,2
2010-09-01
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
卷号28期号:5页码:1049-1054
文章类型Article
摘要Large amplitude internal solitary waves (ISWs) often exhibit highly nonlinear effects and may contribute significantly to mixing and energy transporting in the ocean. We observed highly nonlinear ISWs over the continental shelf of the northwestern South China Sea (19A degrees 35'N, 112A degrees E) in May 2005 during the Wenchang Internal Wave Experiment using in-situ time series data from an array of temperature and salinity sensors, and an acoustic Doppler current profiler (ADCP). We summarized the characteristics of the ISWs and compared them with those of existing internal wave theories. Particular attention has been paid to characterizing solitons in terms of the relationship between shape and amplitude-width. Comparison between theoretical prediction and observation results shows that the high nonlinearity of these waves is better represented by the second-order extended Korteweg-de Vries (KdV) theory than the first-order KdV model. These results indicate that the northwestern South China Sea (SCS) is rich in highly nonlinear ISWs that are an indispensable part of the energy budget of the internal waves in the northern South China Sea.; Large amplitude internal solitary waves (ISWs) often exhibit highly nonlinear effects and may contribute significantly to mixing and energy transporting in the ocean. We observed highly nonlinear ISWs over the continental shelf of the northwestern South China Sea (19A degrees 35'N, 112A degrees E) in May 2005 during the Wenchang Internal Wave Experiment using in-situ time series data from an array of temperature and salinity sensors, and an acoustic Doppler current profiler (ADCP). We summarized the characteristics of the ISWs and compared them with those of existing internal wave theories. Particular attention has been paid to characterizing solitons in terms of the relationship between shape and amplitude-width. Comparison between theoretical prediction and observation results shows that the high nonlinearity of these waves is better represented by the second-order extended Korteweg-de Vries (KdV) theory than the first-order KdV model. These results indicate that the northwestern South China Sea (SCS) is rich in highly nonlinear ISWs that are an indispensable part of the energy budget of the internal waves in the northern South China Sea.
关键词Internal Solitary Wave High Nonlinearity South China Sea (Scs)
学科领域Limnology ; Oceanography
DOI10.1007/s00343-010-9018-1
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收录类别SCI
语种英语
WOS记录号WOS:000281711600013
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被引频次:16[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/337002/5286
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, KLOCAW, Qingdao 266071, Peoples R China
第一作者单位中国科学院海洋研究所;  海洋环流与波动重点实验室
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Xu Zhenhua,Yin Baoshu,Hou Yijun. Highly nonlinear internal solitary waves over the continental shelf of the northwestern South China Sea[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2010,28(5):1049-1054.
APA Xu Zhenhua,Yin Baoshu,&Hou Yijun.(2010).Highly nonlinear internal solitary waves over the continental shelf of the northwestern South China Sea.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,28(5),1049-1054.
MLA Xu Zhenhua,et al."Highly nonlinear internal solitary waves over the continental shelf of the northwestern South China Sea".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 28.5(2010):1049-1054.
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