Global electrical conductivity of the earth

Details Global electrical conductivity of the earth Global electrical conductivity of the earth

Sep 1973

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1973pepi....7..245r&link_type=abstract

Physics of the Earth and Planetary Interiors, Volume 7, Issue 3, p. 245-250.

Physics

7

Scientific paper

The Banks (1969, 1972) and Parker (1970) models of the electrical conductivity distribution are critically reviewed along with classical models by Chapman (1919), Lahiri and Price (1939), Rikitake (1950a, b, c) and others. The modern models do not seem to account for the geomagnetic variations having a continuum spectrum and Sq at the same time. A large difference in response between the 1-day and 0.5-day period components of Sq is suspected to be caused by a resonance-like induction in the superficial layer of the earth. Dufficulties in determining the conductivity of the earth's top layer are also emphasized. An overall distribution of conductivity within the earth which seems to be the most reliable at present, is drawn mostly on the basis of Banks' model.

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