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Nonlinear wave propagation on a sphere: Interaction between Rossby waves and gravity waves; stability of the Rossby waves

 

作者: Jacques Vanneste,   Francois Vial,  

 

期刊: Geophysical & Astrophysical Fluid Dynamics  （Taylor Available online 1994）
卷期: Volume 76, issue 1-4  

页码: 121-144

 

ISSN:0309-1929

 

年代: 1994

 

DOI:10.1080/03091929408203662

 

出版商: Taylor & Francis Group

 

关键词: Rossby waves;gravity waves;nonlinear interactions;wave instability

 

数据来源: Taylor

 

摘要:

An analytical spectral model of the barotropic divergent equations on a sphere is developed using the potential-stream function formulation and the normal modes as basic functions. Explicit expressions of the coefficients of nonlinear interaction are obtained in the asymptotic case of a slowly rotating sphere, i.e. when the normal modes can be expressed as single spherical harmonics.

 

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