中国科学院南海海洋研究所机构知识库
Advanced  
SCSIO OpenIR  > 热带海洋环境国家重点实验室(LTO)  > 期刊论文
学科主题: Mathematics ; Mechanics ; Physics
题名: Effect of vertical stratification on characteristics and energy of nonlinear internal solitary waves from a numerical model
作者: Xie, JS ; Chen, ZW ; Xu, JX ; Cai, SQ
通讯作者: caisq@scsio.ac.cn
关键词: Nonlinear internal solitary waves ; Stratification ; Numerical model ; Baroclinic energy ; South China Sea
刊名: COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
发表日期: 2014
卷: 19, 期:10, 页:3539-3555
收录类别: sci
部门归属: [Xie, Jieshuo ; Chen, Zhiwu ; Xu, Jiexin ; Cai, Shuqun] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China ; [Xie, Jieshuo ; Xu, Jiexin] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
项目归属: LTO
资助者: Strategic Priority Research Program of the Chinese Academy of Sciences [XDA11020201]; National Basic Research Program [2011CB013701, 2013CB956101]; Knowledge Innovation Program of the Chinese Academy of Sciences [SQ201302, LTOZZ1304]; NSFC [41025019]; Research Grants Council of the Hong Kong, Special Administrative Region, China [CUHK 402912]
摘要: A numerical model is set up to study the impact of changes in vertical stratification on the properties of internal solitary waves (ISWs) generated by tidal flow over a ridge. Based on modifications of the observed stratification with a secondary thermocline over a main one in the South China Sea, the effects of five kinds of stratification on the characteristics and energy conversion of ISWs are investigated. In general, the isopycnal undergoing maximum displacement in ISWs is from slightly below the main thermocline. When the stratification below the ridge crest is reduced, the wave amplitude and the number of ISWs in a wave packet increase, while the phase speed, the wave half-width, the sum of ISW kinetic energy (KE) and available potential energy (APE) and the ratio of KE to APE decrease. When the stratification in the upper layer is reduced, the ISW amplitude, the number of ISWs, the phase speed and the sum of KE and APE decrease, while the wave half-width and the ratio of KE to APE increase. If the main thermocline is over the secondary one, the ISW amplitude, the wave half-width, the sum of KE and APE and the ratio of KE to APE increase, while the phase speed reduces. For stratification with two thermoclines, the ISW phase speed increases but the half-width decreases. In addition, the ratio of baroclinic to barotropic energy is found to be between 10% and 40%, and the ratio of ISW KE to APE is between 1.30 and 1.65. It is also shown that the ratio of KE to APE for the stratification with two thermoclines is about 2-6% larger than that for the stratification with only one thermocline. If the thermocline is lowered by about 30 m (0.064 of the total water depth), the ratio of KE to APE reduces by about 10%. (C) 2014 Elsevier B.V. All rights reserved.
原文出处: 查看原文
WOS记录号: WOS:000335968100013
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10504
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

Files in This Item: Download All
File Name/ File Size Content Type Version Access License
Effect of vertical stratification on characteristics and energy of nonlinear internal solitary waves from a numerical model.pdf(3895KB)----开放获取View Download

Recommended Citation:
Xie, JS; Chen, ZW; Xu, JX; Cai, SQ.Effect of vertical stratification on characteristics and energy of nonlinear internal solitary waves from a numerical model,COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION,2014,19(10):3539-3555
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Xie, JS]'s Articles
[Chen, ZW]'s Articles
[Xu, JX]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Xie, JS]‘s Articles
[Chen, ZW]‘s Articles
[Xu, JX]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit
文件名: Effect of vertical stratification on characteristics and energy of nonlinear internal solitary waves from a numerical model.pdf
格式: Adobe PDF
此文件暂不支持浏览
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Copyright © 2007-2017  中国科学院南海海洋研究所 - Feedback
Powered by CSpace