Equatorial Rossby solitary wave under the external forcing

被引：0

作者：

Fu, ZT ^{[1
]}

Liu, SK

Liu, SD

机构：

[1] Peking Univ, Sch Phys, Lab Severe Storm & Flood Disaster, Beijing 100871, Peoples R China

[2] Peking Univ, State Key Lab Turbulence & Complex Syst, Beijing 100871, Peoples R China

来源：

COMMUNICATIONS IN THEORETICAL PHYSICS | 2005年 / 43卷 / 01期

关键词：

KdV equation; periodic-like structure; Jacobi elliptic function;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A simple shallow-water model with influence of external forcing on a beta-plane is applied to investigate the nonlinear equatorial Rossby waves in a shear flow. By the perturbation method, the extended variable-coefficient KdV equation under an external forcing is derived for large amplitude equatorial Rossby wave in a shear flow. And then various periodic-like structures for these equatorial Rossby waves are obtained with the help of Jacobi elliptic functions. It is shown that the external forcing plays an important role in various periodic-like structures.

引用

页码：45 / 48

页数：4

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