The effects of zonal flow on nonlinear Rossby waves |
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| Authors: | Zhao Ping |
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| Institution: | Chengdu Meteorological Institute, Chengdu 610041, China |
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| Abstract: | In this paper, we using phase plane method have derived the stability criteria of linear and nonlinear Rossby waves under the conditions of semi-geostrophic approximation and have gotten the solutions and geostrophic vorticity of corresponding solitary Rossby waves. It is pointed out that the wave stability is connected with the distri-bution of zonal flow and when the zonal flow is different the solitary wave trough or ridge is formed. |
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