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Short note on electrode charge-up effects in DC resistivity data acquisition using multi-electrode arrays (2000)

Dahlin, Torleif

Oxford BSL : Blackwell Science Ltd

Geophysical prospecting 48 (2000), S. 0

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ISSN: 1365-2478

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Geosciences , Physics

Notes: The measurement sequence used in DC resistivity data using multi-electrode arrays should be carefully designed so as to minimize the effects of electrode charge-up effects. These effects can be some orders of magnitude larger than the induced signal and remain at significant levels for tens of minutes. Even when using a plus-minus-plus type of measurement cycle, one should avoid making potential measurements with an electrode that has just been used to inject current, as the decay immediately after current turn-off is clearly non-linear.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1046/j.1365-2478.2000.00172.x

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