| 切变基本纬向流中赤道Rossby包络孤立波 |
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| 引用本文： | 赵强,刘式适.切变基本纬向流中赤道Rossby包络孤立波[J].大气科学,2001,25(1):133-141. |
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| 作者姓名： | 赵强 刘式适 |
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| 作者单位： | 北京大学地球物理系,北京100871 |
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| 基金项目： | 高等学校骨干教师资助项目 |
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| 摘 要： | 利用多重尺度摄动法，从描写赤道Rossby波的正压大气位涡度方程中推导出在切变基本纬向流中非线性赤道Rossby波包演变所满足的非线性Schrodinger方程，并得到其单个包络孤立子波解，分析基本流切变对非线性赤道Rossby波动的影响。
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| 关 键 词： | 赤道Rossby波 Schrodinger方程 包络孤立子 |
Equatorial Rossby Envelope Solitary Waves in a Mean Zonal Flow with Shear |
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| Zhao Qiang and Liu Shikuo.Equatorial Rossby Envelope Solitary Waves in a Mean Zonal Flow with Shear[J].Chinese Journal of Atmospheric Sciences,2001,25(1):133-141. |
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| Authors: | Zhao Qiang and Liu Shikuo |
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| Abstract: | With a simple shallow-water model on an equatorial β-plane, the nonlinear equatorial Rossby waves in a mean zonal flow with meridional shear are investigated by the asymptotic method of multiple scales. The nonlinear Schrodinger equation, satisfied by large amplitude Rossby envelope solitary waves in shear basic flow, is derived. The effects of basic flow shear on the nonlinear equatorial Rossby waves are also analyzed. |
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| Keywords: | equatorial Rossby waves Schrsdinger equation envelope solito |
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