IOCAS-IR  > 海洋环流与波动重点实验室
Interaction of algebraic Rossby solitary waves with topography and atmospheric blocking
Yang, Hongwei1; Yang, Dezhou2,3; Shi, Yunlong2,3; Jin, Shanshan4; Yin, Baoshu2,3
2015-09-01
Source PublicationDYNAMICS OF ATMOSPHERES AND OCEANS
Volume71Issue:2015Pages:21-34
SubtypeArticle
AbstractIn this article, a new equation governing the behavior of Rossby solitary waves is derived by employing perturbation expansions and stretching transformations of time and space, which is called mBO-mKdV-Burgers equation. The equation is different from the common BO equation, it is more suitable for describing the Rossby solitary waves when the perturbation is stronger. Based on the analytical solution of mBO-mKdV-Burgers equation, the features of Rossby solitary waves including conserved laws, fission property and dissipation effect are studied. It is found that dissipation causes the amplitude and speed of solitary waves decrease; breakup phenomenon will happen during propagation. Finally, numerical simulation is carried out to investigate the effect of detuning parameter alpha, topographical altitude and dissipation on the interaction of Rossby solitary waves with topography. It is pointed out that with decreasing of detuning parameter alpha, the propagation speed of solitary waves decreases and the interaction time increases, which is beneficial to form the large amplitude disturbance; with increasing of topographical altitude, the free solitary waves can not cross over topography; decreasing detuning parameter alpha and increasing topographical altitude are both mechanisms to generate atmospheric blocking; with the occurence of small dissipation, damping oscillation phenomenon will happen. (C) 2015 Elsevier B.V. All rights reserved.
KeywordMbo-mkdv-burgers Equation Rossby Solitary Waves Atmospheric Blocking Solitary Waves Breakup Damping Oscillation
DOI10.1016/j.dynatmoce.2015.05.001
Indexed BySCI
Language英语
WOS IDWOS:000361404200002
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/50878
Collection海洋环流与波动重点实验室
Affiliation1.Shandong Univ Sci & Technol, Coll Math & Syst Sci, Qingdao 266590, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
3.Chinese Acad Sci, Key Lab Ocean Circulat & Wave, Qingdao 266071, Peoples R China
4.SOA, Inst Oceanog 1, Qingdao 266061, Peoples R China
Recommended Citation
GB/T 7714
Yang, Hongwei,Yang, Dezhou,Shi, Yunlong,et al. Interaction of algebraic Rossby solitary waves with topography and atmospheric blocking[J]. DYNAMICS OF ATMOSPHERES AND OCEANS,2015,71(2015):21-34.
APA Yang, Hongwei,Yang, Dezhou,Shi, Yunlong,Jin, Shanshan,&Yin, Baoshu.(2015).Interaction of algebraic Rossby solitary waves with topography and atmospheric blocking.DYNAMICS OF ATMOSPHERES AND OCEANS,71(2015),21-34.
MLA Yang, Hongwei,et al."Interaction of algebraic Rossby solitary waves with topography and atmospheric blocking".DYNAMICS OF ATMOSPHERES AND OCEANS 71.2015(2015):21-34.
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