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Distortion and broadening of internal solitary wavefront in the northeastern South China Sea deep basin
Xie, Jieshuo; He, Yinghui; Lue, Haibin; Chen, Zhiwu; Xu, Jiexin; Cai, Shuqun; Cai, SQ (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China.
2016
Source PublicationGEOPHYSICAL RESEARCH LETTERS
Volume43Issue:14Pages:7617-7624
AbstractInternal solitary waves (ISWs) with peculiar fronts are frequently observed in the world ocean by satellite images, though with quite few explanations. In this study a distorted and broadening ISW front across the northeastern South China Sea deep basin is presented by using synthetic aperture radar (SAR) image. To illustrate this peculiar front, a nonlinear refraction model is developed to simulate and evaluate the effects of realistic bottom topography, current, and stratification on its transformation. Simulated results in realistic oceanic environments show good agreements with this SAR-observed front. Based on separate and comparative results in different background environments, we demonstrate that the distortion is actually caused by the strong mesoscale currents at periphery of an anticyclonic eddy. Moreover, the broadening is due to the difference in change of wave half width at different rays, which is associated with the different transformation of ISWs across variable bottom topography in the deep basin.
Department[Xie, Jieshuo; He, Yinghui; Lue, Haibin; Chen, Zhiwu; Xu, Jiexin; Cai, Shuqun] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China; [Xie, Jieshuo] Univ Chinese Acad Sci, Beijing, Peoples R China; [Lue, Haibin] Huaihai Inst Technol, Sch Geodesy & Geomat Engn, Lianyungang, Peoples R China ; LTO
KeywordInternal Solitary Wavefront Satellite Observations Nonlinear Refraction Model Northeastern South China Sea Deep Basin
Subject AreaGeology
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/15348
Collection热带海洋环境国家重点实验室(LTO)
Corresponding AuthorCai, SQ (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China.
Recommended Citation
GB/T 7714
Xie, Jieshuo,He, Yinghui,Lue, Haibin,et al. Distortion and broadening of internal solitary wavefront in the northeastern South China Sea deep basin[J]. GEOPHYSICAL RESEARCH LETTERS,2016,43(14):7617-7624.
APA Xie, Jieshuo.,He, Yinghui.,Lue, Haibin.,Chen, Zhiwu.,Xu, Jiexin.,...&Cai, SQ .(2016).Distortion and broadening of internal solitary wavefront in the northeastern South China Sea deep basin.GEOPHYSICAL RESEARCH LETTERS,43(14),7617-7624.
MLA Xie, Jieshuo,et al."Distortion and broadening of internal solitary wavefront in the northeastern South China Sea deep basin".GEOPHYSICAL RESEARCH LETTERS 43.14(2016):7617-7624.
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