| 弱耗散作用下非线性Rossby波的调制不稳定 |
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| 引用本文： | 罗德海.弱耗散作用下非线性Rossby波的调制不稳定[J].大气科学,1993,17(2):163-172. |
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| 作者姓名： | 罗德海 |
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| 作者单位： | 成都气象学院气象研究所 成都 |
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| 摘 要： | 本文使用WKB方法对弱耗散作用下基本气流具有弱切变的行星大气中非线性Rossby波进行了研究,得到了弱耗散的非线性Rossby波振幅所满足的复系数非线性Schrdinger方程,并分别就无耗散和弱耗散的Rossby波的边带稳定性问题进行了讨论,得到了一些新结果.
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| 关 键 词： | WKB方法 复系数非线性Schrdinger方程 边带不稳定 |
The Modulation Instability of Nonlinear Rossby Waves in the Weakly Dissipative Atmosphere |
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| Luo Dehai.The Modulation Instability of Nonlinear Rossby Waves in the Weakly Dissipative Atmosphere[J].Chinese Journal of Atmospheric Sciences,1993,17(2):163-172. |
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| Authors: | Luo Dehai |
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| Abstract: | In this paper, the WKB method is applied to investigating nonlinear Rossby waves with weakly shear zonal flow and weak dissipation in the atmosphere, and a nonlinear Schrodinger equation with complex coefficients for nonlinear Rossby waves is obtained. On the other hand, the side - band stability problems of Rossby wavetrains with no dissipation and weak dissipation are discussed, respectively, and some new results are derived. |
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| Keywords: | WKB method Nonlinear Schrodinger equation Side-band instability |
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