Rossby waves with linear topography in barotropic fluids

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	Rossby waves with linear topography in barotropic fluids
	Yang LG(杨联贵); Da CJ(达朝究); Song J(宋建); Zhang HQ(张会琴); Yang HL(杨红丽); Hou YY(侯一筠)
发表期刊	Chinese Journal of Oceanology and Limnology
ISSN	0254-4059
	2008-08-15
出版年	2008
卷号	v.26 期号:03 页码:104-108
文献类型	CNKI期刊论文
摘要	Rossby waves are the most important waves in the atmosphere and ocean,and are parts of a large-scale system in fluid.The theory and observation show that,they satisfy quasi-geostrophic and quasi-static equilibrium approximations.In this paper,solitary Rossby waves induced by linear topography in barotropic fluids with a shear flow are studied.In order to simplify the problem,the topography is taken as a linear function of latitude variable y,then employing a weakly nonlinear method and a perturbation method,a KdV(Korteweg-de Vries) equation describing evolution of the amplitude of solitary Rossby waves induced by linear topography is derived.The results show that the variation of linear topography can induce the solitary Rossby waves in barotropic fluids with a shear flow,and extend the classical geophysical theory of fluid dynamics.
关键词	nonlinear Rossby waves KdV equation topography effect perturbation method
CNKI专辑号	A;
CNKI专辑名称	基础科学;
CNKI专题号	A004
CNKI专题名称	力学;
分类号	O357.52
收录类别	中科院核心
语种	英文;
资助项目(基金）	Supported by the Knowledge Innovation Program of Chinese Academy of Sciences (KZCX1-YW-12) ; Scientific Research Foundation for the Returned Overseas Chinese Scholar, and by Natural Science Foundation of Inner Mongolia (200408020112)
文献类型	CNKI期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/192891
专题	中国科学院海洋研究所
作者单位	1.SchoolofMathematicalSciences,InnerMongoliaUniversity,Hohhot010021,China 2.CollegeofComputerSciencesandInformationEngineering,NorthwestUniversityforNationalities,Lanzhou730124,China 3.CollegeofScience,InnerMongoliaUniversityofTechnology,Hohhot010062,China 4.InstituteofMechanics,ChineseAcademyofSciences,Beijing100080,China 5.InstituteofOceanology,ChineseAcademyofSciences,Qingdao266071,China
推荐引用方式 GB/T 7714	Yang LG,Da CJ,Song J,et al. Rossby waves with linear topography in barotropic fluids. 2008.