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The evolution of an unsteady translating nonlinear rossby-wave critical layer

 

作者: PeterH. Haynes,   StephenJ. Cowley,  

 

期刊: Geophysical & Astrophysical Fluid Dynamics  （Taylor Available online 1986）
卷期: Volume 35, issue 1-4  

页码: 1-55

 

ISSN:0309-1929

 

年代: 1986

 

DOI:10.1080/03091928608245885

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

When a monochromatic Rossby wave is forced on a flow which is slowly varying in time, the location of the critical line, where the phase speed of the wave is equal to that of the flow, also slowly changes. It is shown that this translation can play an important role in the vorticity balance near the critical line.

 

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