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
发表期刊GEOPHYSICAL RESEARCH LETTERS
卷号43期号:14页码:7617-7624
摘要Internal 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.
部门归属[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
关键词Internal Solitary Wavefront Satellite Observations Nonlinear Refraction Model Northeastern South China Sea Deep Basin
学科领域Geology
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15348
专题热带海洋环境国家重点实验室(LTO)
通讯作者Cai, SQ (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China.
推荐引用方式
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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