文档介绍：第 38 卷第 6 期 2014 年 11 月大气科学 Chinese Journal of Atmospheric Sciences Vol. 38 No. 6 Nov. 2014 刘式达, 刘式适, 付遵涛. 2014. 从气旋和反气旋谈正、负阻尼 [J]. 大气科学, 38 (6): 1041 ?1043, doi:.1006-. Liu Shida, Liu Shikuo, Fu Zuntao. 2014. Positive and negative damping in cyclones and anticyclones. [J]. Chinese Journal of Atmospheric Sc iences (in Chinese), 38 (6): 1041 ?1043. 从气旋和反气旋谈正、负阻尼刘式达刘式适付遵涛北京大学物理学院大气与海洋科学系气候与海—气实验室,北京 100871 摘 要在定常条件下,利用简化的大气运动控制方程,分析了气旋与反气旋的基本特征。在此基础上,利用常微分方程的定性分析与求解,获得了气旋和反气旋轨道的解析解。接合气旋与反气旋的基本特征,论证了正负阻尼在气旋和反气旋运动中具体体现,并从物理机理上说明产生气旋和反气旋运动中正负阻尼的差异在于水平辐合在低层的不同。关键词正阻尼负阻尼气旋反气旋轨道文章编号 1006 ? 9895(2014)06 ? 1041 ?03 中图分类号 P432 文献标识码 A doi: .1006- Positive and Negative Damping in Cyclones and Anticyclones LIU Shida, LIU Shikuo, and FU Zuntao Department of Atmospheric and Oceanic Sciences and Laboratory for Climate and Ocean–Atmosphere Studies , School of Physics , Peking University , Beijing 100871 Abstract Under steady conditions, simplified control equations of atmospheric motion are used to analyze the basic characteristics of cyclones and anticyclones. On this basis, analytic solutions of cyclonic and anti-cyclonic trajectories are derived by qualitatively analyzin g and solving ordinary differential equations . bining the basic characteristics of cyclones and anticyclones, it is demonstrated that p