Abstract
Electrokinetic phenomena associated with source-free ground water flow can produce electric potential anomalies at the earth's surface. Sources of conduction current (required for the appearance of electric potential at the surface) are located at the air-earth interface for terrain-related self-potentials (SP). Induced current sources for SP generation by hydrothermal circulation are thought to be located at underground thermal interfaces which act as boundaries between regions of differing streaming potential coefficients. Field survey results obtained in Japanese geothermal areas can be explained by these electrokinetic mechanisms.
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© 1989 Springer-Verlag
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Ishido, T. (1989). Self-potential generation by subsurface water flow through electrokinetic coupling. In: Merkler, GP., Militzer, H., Hötzl, H., Armbruster, H., Brauns, J. (eds) Detection of Subsurface Flow Phenomena. Lecture Notes in Earth Sciences, vol 27. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0011635
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DOI: https://doi.org/10.1007/BFb0011635
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