A review of progress in modelling of induced geoelectric and geomagnetic fields with special regard to induced currents

The Earth’s lithosphere and mantle respond to Space Weather through time-varying, depth-dependent induced magnetic and electric fields. Understanding the properties of these electromagnetic fields is a key consideration in modelling the hazard to technological systems from Space Weather. In this pap...

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Bibliographic Details
Published in:Acta geophysica 2009-03, Vol.57 (1), p.209-219
Main Authors: Thomson, Alan W.P., McKay, Allan J., Viljanen, Ari
Format: Article
Language:English
Subjects:
Earth
Earth and Environmental Science
Earth Sciences
Electromagnetic fields
Electromagnetism
geoelectric fields
Geomagnetic field
geomagnetic fields
Geophysics
Geophysics/Geodesy
Geotechnical Engineering & Applied Earth Sciences
global conductivity models
Lithosphere
Scale models
Structural Geology
Studies
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Summary:The Earth’s lithosphere and mantle respond to Space Weather through time-varying, depth-dependent induced magnetic and electric fields. Understanding the properties of these electromagnetic fields is a key consideration in modelling the hazard to technological systems from Space Weather. In this paper we review current understanding of these fields, in terms of regional and global-scale geology and geophysics. We highlight progress towards integrated European-scale models of geomagnetic and geoelectric fields, specifically for the purposes of modelling geomagnetically induced currents in power grids and pipelines.
ISSN:1895-6572
1895-7455
DOI:10.2478/s11600-008-0061-7