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Title: The role of electrical anisotropy in magnetotelluric responses: From modelling and dimensionality analysis to inversion and interpretation
Author: Martí i Castells, Anna
Keywords: Geomagnetisme
Prospecció geofísica
Prospecció magnetotel·lúrica
Geophysical exploration
Magnetotelluric prospecting
Issue Date: 3-May-2013
Publisher: Springer Science + Business Media
Abstract: The study of electrical anisotropy in the Earth, defined as the electrical conductivity varying with orientation, has experienced important advances in the last years regarding the investigation of its origins, how to identify and model it, and how it can be related to other parameters, such as seismic and mechanical anisotropy. This paper provides a theoretical background and a review of the current state of the art of electrical anisotropy using electromagnetic methods in the frequency domain, focusing mainly on magnetotellurics. The aspects that will be considered are the modelling of the electromagnetic fields with anisotropic structures, the analysis of their responses to identify these structures, and how to properly use these responses in inversion and interpretation. Also, an update on the most recent case studies involving anisotropy is provided.
Note: Versió postprint del document publicat a:
It is part of: Surveys in Geophysics, 2013, vol. 35, num. 1, p. 179-218
Related resource:
ISSN: 0169-3298
Appears in Collections:Articles publicats en revistes (Dinàmica de la Terra i l'Oceà)

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