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Chaotic features of the atmosphere motion near the mesopause revealed by VHF radar observation

机译：甚高频雷达观测揭示中绝经附近大气运动的混沌特征

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摘要

Many observations have revealed the complex motions of the atmosphere because of the rapid developement of experiment technique. However, as compared with numerical stimulations of atmospheric dynamic system, little is known about the complexity occurringin the real atmosphere. The chaotic motion can usually be described by 3 characteristic quantities for the dissipative motion of the atmosphere: dimension, Lyapunov exponent and entropy. In the past 10 years many studies have been focused on depicting the atmosphere motion structure by using these characteristic quantities. Zheng and Liu have discussed the chaotic state of the atmosphere near the surface of the earth. Fraedrich found that the dimension of the chaotic attractor of the lower atmosphere was related to the season. Yang et al. estimated the dimension and entropy of the motions in stratosphere atmosphere. But there was not any report on the chaotic features of higher atmosphere such as the mesosphere.
机译：由于实验技术的迅速发展，许多观测结果揭示了大气的复杂运动。但是，与大气动力系统的数值刺激相比，对真实大气中发生的复杂性知之甚少。混沌运动通常可以用大气的耗散运动的3个特征量来描述：维度，李雅普诺夫指数和熵。在过去的十年中，许多研究都集中在通过使用这些特征量来描述大气运动结构。郑和刘已经讨论了地球表面附近大气的混沌状态。 Fraedrich发现，低层大气的混沌吸引子的尺寸与季节有关。杨等。估计平流层大气运动的尺度和熵。但是，没有关于中层等高层大气的混沌特征的报道。

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