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Test of reciprocity and superposition in time domain induced polarization measurementsNormal access

Authors: G. M. Habberjam and M. A. Khan
Journal name: Geophysical Prospecting
Issue: Vol 23, No 4, December 1975 pp. 622 - 641
DOI: 10.1111/j.1365-2478.1975.tb01549.x
Organisations: Wiley
Language: English
Info: Article, PDF ( 998.27Kb )

The principles of reciprocity and superposition, which hold in normal resistivity measurements, are sometimes considered to apply also to Induced Polarisation measurements.

In this paper, an account is given of experiments designed to test how far such a proposition is justified. The experiments comprise a limited field test and more extensive observations using a tank analogue.

Within acceptable limits, both tests showed that these basic theorems are applicable to I.P. potentials provided that these are measured at the same instant after switch off and that identical charging regimes are used.

The implications of these findings are discussed.

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