Role of Hall Effect in Magnetotelluric Sounding

被引：1
|
作者：
Plotkin, Valery V. [1 ]
Mogilatov, Vladimir S. [1 ]
Potapov, Vladimir V. [1 ]
机构：
[1] RAS, SB, Inst Petr Geol & Geophys, Koptug Ave 3, Novosibirsk 630090, Russia
来源：
PROBLEMS OF GEOCOSMOS - 2018 | 2020年
基金：
俄罗斯基础研究基金会;
关键词：
Magnetotelluric sounding; Hall effect; Normal modes; Right and left circular polarizations;
D O I：
10.1007/978-3-030-21788-4_3
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Many minerals belong to the semiconductor class from the point of view of the mechanism of electrical conductivity. One of the experimental methods for determining the electrical conductivity of semiconductor minerals is based on the Hall effect. Due to the presence of the Earth's magnetic field it is possible to expect the manifestation of this effect in natural conditions during electromagnetic soundings. To detect manifestations of the Hall effect during magnetotelluric (MT) sounding, a polarization analysis method is proposed, based on a data processing algorithm that divides the time spectrum of theMTfield into normalmode spectra with right and left circular polarization. Numerical estimates and results of a special field experiment are presented.
引用
收藏
页码：19 / 27
页数：9
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