Thermoelectromagnetohydrodynamic (TEMHD) hypothesis for the origin of the geomagnetic field

Details Thermoelectromagnetohydrodynamic (TEMHD) hypothesis for the origin of the geomagnetic field Thermoelectromagnetohydrodynamic (TEMHD) hypothesis for the origin of the geomagnetic field

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ge%26ae..28..345k&link_type=abstract

Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 28, Mar.-Apr. 1988, p. 345-348. In Russian.

Physics

Electrodynamics, Geoelectricity, Geomagnetism, Magnetohydrodynamics, Thermoelectricity, Earth Core, Earth Mantle, Earth Planetary Structure, Magnetic Moments

Scientific paper

Attention is given to the thermoelectromagnetohydrodynamics and electrodynamics of averaged fields in which the initiating toroidal magnetic field is generated by thermoelectric currents flowing at the lower mantle/liquid core boundary. The toroidal magnetic field is transformed through the alpha effect into a poloidal field. Estimates are obtained which show good agreement with previously determined values of the earth's magnetic moment and the mean conductivity of the lower mantle.

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