VORTICITY IN THE MAGNETOSPHERIC PLASMA AND ITS SIGNATURES IN THE AURORA DYNAMICS

被引：0
|
作者：
Mikhail I. Pudovkin
Ake Steen
Urban Brändström
机构：
[1] St. Petersburg University,Institute of Physics
[2] Swedish Institute of Space Physics,undefined
来源：
Space Science Reviews | 1997年 / 80卷
关键词：
Experimental Data; Vortex; Vorticity; Power Spectrum; Magnetospheric Plasma;
D O I：
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学科分类号：
摘要：
A review of both the theoretical and experimental data connected with the vorticity in the magnetospheric plasma and on its signatures in the auroral dynamics is presented. It is shown that the observed characteristics of the motion of auroral forms allow one to determine the distribution of the electric field and field-aligned currents in the magnetosphere; the shape of auroral vortices and their power spectra carry information on the nature of the MHD instabilities responsible for the excitation of the observed turbulence.
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页码：411 / 444
页数：33
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