| Symmetric Development of Meso Perturbation in Zonally Curved Basic Flow |
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| 作者姓名： | Zhou Weican Chen Jiukang Zhou Shunwu |
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| 作者单位： | Zhou Weican，Chen Jiukang and Zhou Shunwu Nanjing Institute of Meteorology，Nanjing 210044 |
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| 摘 要： | ＳｙｍｍｅｔｒｉｃＤｅｖｅｌｏｐｍｅｎｔｏｆＭｅｓｏＰｅｒｔｕｒｂａｔｉｏｎｉｎＺｏｎａｌｙＣｕｒｖｅｄＢａｓｉｃＦｌｏｗ①ＺｈｏｕＷｅｉｃａｎ（周伟灿），ＣｈｅｎＪｉｕｋａｎｇ（陈久康）ａｎｄＺｈｏｕＳｈｕｎｗｕ（周顺武）ＮａｎｊｉｎｇＩｎｓｔｉｔ...
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| 收稿时间： | 13 December 1996 |
Symmetric development of meso perturbation in zonally curved basic flow |
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| Zhou Weican,Chen Jiukang,Zhou Shunwu.Symmetric Development of Meso Perturbation in Zonally Curved Basic Flow[J].Advances in Atmospheric Sciences,1997,14(4):527-534. |
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| Authors: | Zhou Weican Chen Jiukang Zhou Shunwu |
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| Institution: | Nanjing Institute of Meteorology, Nanjing 210044,Nanjing Institute of Meteorology, Nanjing 210044,Nanjing Institute of Meteorology, Nanjing 210044 |
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| Abstract: | Addressed is a problem as to meso perturbation wave ensemble development in a curved basic flow in the contest of a f-plane non-hydrostatic equilibrium acoustic wave filtering model in natural coordinates with the aid of the WKJB and energetic approaches. Results show that the symmetric development depends crucially on the matching of structures of the disturbance wave and background field, and for a smooth (curved) basic flow the wave ensemble evolution hinges upon the spatial imhomogeneity of nonthermal wind of the background field (under nongradient wind balance). Finally, presented is the wave ensemble evolution in relation to the thermal curvature vorticity in the background field. |
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| Keywords: | Curved basic flow Symmetric development Curvature vorticity |
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