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

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Author

Summary, in English

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.

Publishing year

2000

Language

English

Pages

181-187

Publication/Series

Geophysical Prospecting

Volume

48

Issue

1

Document type

Journal article

Publisher

Wiley-Blackwell

Topic

  • Geotechnical Engineering

Status

Published

ISBN/ISSN/Other

  • ISSN: 1365-2478