DOI: 10.1002/2016GL070093
论文题名: Distortion and broadening of internal solitary wavefront in the northeastern South China Sea deep basin
作者: Xie J. ; He Y. ; Haibin L.ü. ; Chen Z. ; Xu J. ; Cai S.
刊名: Geophysical Research Letters
ISSN: 0094-8886
EISSN: 1944-8617
出版年: 2016
卷: 43, 期: 14 起始页码: 7617
结束页码: 7624
语种: 英语
英文关键词: internal solitary wavefront
; nonlinear refraction model
; northeastern South China Sea deep basin
; satellite observations
Scopus关键词: Mathematical transformations
; Radar imaging
; Refraction
; Satellite imagery
; Solitons
; Synthetic aperture radar
; Wavefronts
; Background environment
; Deep basin
; Internal solitary waves
; Non-linear refraction
; Oceanic environments
; Satellite observations
; Synthetic aperture radar (SAR) images
; Variable bottom topographies
; Space-based radar
; anticyclone
; bottom topography
; mesoscale motion
; numerical model
; oceanic front
; satellite imagery
; solitary wave
; stratification
; synthetic aperture radar
; transformation
; Pacific Ocean
; South China Sea
英文摘要: 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. ©2016. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84979506274&doi=10.1002%2f2016GL070093&partnerID=40&md5=db675d68fb632eadbfd856accb22d687
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9849
Appears in Collections: 科学计划与规划 气候变化与战略
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作者单位: State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, CAS, Guangzhou, China
Recommended Citation:
Xie J.,He Y.,Haibin L.ü.,et al. Distortion and broadening of internal solitary wavefront in the northeastern South China Sea deep basin[J]. Geophysical Research Letters,2016-01-01,43(14).