Abstract
IN certain parts of the Earth, notably Japan1, Germany2,3 and near Alert and Mould Bay in arctic Canada3, the pattern of time-variations in the geomagnetic field exhibits considerable local irregularities. These have been attributed to the effects of electric currents induced in highly conducting portions of the Earth, and the suggestion has been made that this high conductivity is evidence of anomalously high temperatures beneath the regions concerned.
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References
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Schmucker, U., Akad. Wiss. in Göttingen. Beit. zum Int. Geophysik. Jahr, 5 (1959).
Kertz, W., J. Geomag. and Geoelec., 15, 185 (1964).
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GARLAND, G., WARD, J. Magnetic Variation Measurements in Iceland. Nature 205, 269–270 (1965). https://doi.org/10.1038/205269a0
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DOI: https://doi.org/10.1038/205269a0
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