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verantwortlich: ULB Bonn
 
Sie sind hier: Startseite Literatur Resistivity and SIP response of rocks during freezing and thawing

Andreas Kemna, Maximilian Weigand, and Egon Zimmermann (2014)

Resistivity and SIP response of rocks during freezing and thawing

In: 3 rd International Workshop on Induced Polariza tion .

The use of electrical imaging methods for char acterizing the frozen state of the subsurface requires the understanding of the low-frequency el ectrical soil/rock co nduction and polarization properties as dependent on temperature in frozen and unfrozen regimes. While electrical resistivity tomography, measuring the quasi-static electrical conduction properties, is increasingly used in permafrost monitoring studies, relati vely little attention has been paid so far to the measurement of electrical polarization pr operties for thermal state characterizati on. In particular, in tegrative models describing the low-frequency be haviour of both conduction and polarization properties below T 0 = 0 °C, where ice and water coexist in stable equilibrium, are still lacking.
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