| Ertel位涡和非线性对称不稳定性问题 |
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| 引用本文： | 罗德海,谭本馗.Ertel位涡和非线性对称不稳定性问题[J].气象学报,1991,49(4):440-447. |
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| 作者姓名： | 罗德海 谭本馗 |
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| 作者单位： | 成都气象学院气象科学技术研究所
(罗德海)，南京大学大气科学系(谭本馗) |
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| 摘 要： | 本文应用Lagrange质点理论对大气中对称运动方程进行了简化,在此基础上进一步利用分岔和突变理论分析了环境地转风为非线性分布的情况下,Ertel位涡在非线性对称不稳定中的作用,并得到了一些有意义的结果。
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| 收稿时间： | 1989/10/14 0:00:00 |
| 修稿时间： | 1990/2/16 0:00:00 |
ERTEL POTENTIAL VORTICITY AND NONLIN-EAR SYMMETRIC INSTABILITY PROBLEM IN THE ATMOSPHERE |
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| Luo Dehai and Tan Benkui.ERTEL POTENTIAL VORTICITY AND NONLIN-EAR SYMMETRIC INSTABILITY PROBLEM IN THE ATMOSPHERE[J].Acta Meteorologica Sinica,1991,49(4):440-447. |
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| Authors: | Luo Dehai and Tan Benkui |
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| Institution: | Chengdu Institute of Meteorology;Department of Atmospheric Sciences, Nanjing University |
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| Abstract: | In this paper, the Lagrang parcel theory was applied to simplify the symmetric motion equation in the atmosphere, on the base, bifurcation and catastrophe theories were used to discuss the role of Ertel potential vorticity in the symmetric instability under the condition of the environmental geostrophic wind with nonlinear shear distribution, and some new results were obtained. |
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