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The Structure and Bifurcation of Atmospheric Motions
The 3-D spiral structure resulting from the balance between the pressure gradient force, Coriolis force, and viscous force is a common atmospheric motion pattern. If the nonlinear advective terms are considered, this typical pattern can be bifurcated. It is shown that the surface low pressure with convergent cyclonic vorticity and surface high pressure with divergent anticyclonic vorticity are all stable under certain conditions. The anomalous structure with convergent anticyclonic vorticity is always unstable. But the anomalous weak high pressure structure with convergent cyclonic vorticity can exist, and this denotes the cyclone's dying out.
作 者： 刘式适 刘式达 付遵涛 辛国君 梁福明 作者单位： 刘式适,辛国君,梁福明(School of Physics, Peking University, Beijing 100871)刘式达,付遵涛(School of Physics, Peking University, Beijing 100871;State Key Laboratory for Turbulence and Complex Systems, Peking University, Beijing 100871)
刊 名： 大气科学进展(英文版) ISTIC SCI 英文刊名： ADVANCES IN ATMOSPHERIC SCIENCES 年，卷(期)： 2004 21(4) 分类号： 关键词： horizontal divergence vertical vorticity spiral structure bifurcation【The Structure and Bifurcation of Atm】相关文章：
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