TOWARDS A REALISTIC THEORY OF THE GEODYNAMO

被引:29
作者
BRAGINSKY, SI
机构
[1] Institute of Geophysics and Planetary Physics, UCLA, Los Angeles
关键词
DYNAMO THEORY; GEOMAGNETISM; MODEL-Z; TURBULENCE;
D O I
10.1080/03091929108219997
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The physics of the geodynamo is discussed. The main processes relevant for the buoyancy driven geodynamo are isolated. The successive stages of development of geodynamo theory are briefly described. The mechanism of local turbulence in the Earth's core is explained, and an estimate is presented of the turbulent transport of density inhomogeneities in the Earth's core. The significance of this turbulent transport to the geodynamo mechanism is stressed. The general scheme of the complete geodynamo theory of the future is outlined. © 1991 Taylor & Francis Group. All rights reserved.
引用
收藏
页码:89 / 134
页数:46
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