LOW-DIMENSIONAL CHAOS IN MAGNETOSPHERIC ACTIVITY FROM AE TIME-SERIES

被引：155

作者：

VASSILIADIS, DV ^{[1
]}

SHARMA, AS ^{[1
]}

EASTMAN, TE ^{[1
]}

PAPADOPOULOS, K ^{[1
]}

机构：

[1] UNIV MANCHESTER,DEPT PHYS & ASTRON,MANCHESTER M13 9PL,LANCS,ENGLAND

来源：

GEOPHYSICAL RESEARCH LETTERS | 1990年 / 17卷 / 11期

关键词：

D O I：

10.1029/GL017i011p01841

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The magnetospheric response to the solar wind input, as represented by the time series measurements of the AE index, has been examined using phase space reconstruction techniques. The system was found to behave as a low‐dimensional chaotic system with a fractal dimension of 3.6 and has a Kolmogorov entropy <0.2/min. These are indicative that the dynamics of the system can be adequately described by four independent variables and a corresponding intrinsic time scale is of the order of 5 min. The relevance of the results to magnetospheric modelling is discussed. Copyright 1990 by the American Geophysical Union.

引用

页码：1841 / 1844

页数：4

共 16 条

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