P. Schmoldt, PhD - MTNet - DIAS

List of Tables
2.1. Classification of geomagnetic variations . . . . . . . . . . . . . . . . . . 10
2.2. Decrease of the Earth’s surface magnetic field during the main phase of a
magnetic storm depending on the storm strength . . . . . . . . . . . . . . 19
2.3. Description of the location and process of generation for the different
types of ultra low frequency waves . . . . . . . . . . . . . . . . . . . . . 22
3.1. Induction arrows in Wiese and Parkinson convention . . . . . . . . . . . 37
3.2. Behaviour of electromagnetic fields and electric current on conductivity
interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
4.1. Types of electric anisotropy divided according by size . . . . . . . . . . . 59
4.2. Parameters defined by Bahr [1988] (with modifications by Prácser and
Szarka [1999]) to describe distortion of the MT impedance tensor . . . . 71
4.3. The seven independent plus one dependent parameter defined by Weaver
et al. [2000] to describe the magnetotelluric impedance tensor and its distortion
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
4.4. The dimensionality of the subsurface derived from the parameters defined
by Weaver et al. [2000] . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
4.5. Values of the parameters defined by Bibby et al. [2005] depending of the
present dimensionality . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
4.6. Comparison of commonly used analysing tools for MT distortion and
their applicability depending on the dimensionality of the subsurface . . . 79
5.1. Step like changes in the Earth’s conductivity–depth profiles . . . . . . . . 87
5.2. Models of the Earth’s crust bulk composition . . . . . . . . . . . . . . . 91
5.3. Earlier models of mantle mineralogy . . . . . . . . . . . . . . . . . . . . 97
5.4. Typical mantle rocks and there chemical formula . . . . . . . . . . . . . 97
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