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| | Abstract | | Electrical resistivity surveys include DC resistivity method and Induced Polarization (IP) method. The IP method is used for determining electrochemical properties of rocks and minerals by measuring the transient response after termination of an applied direct current into the ground. A simple measurement system for the time-domain IP method has been developed to reduce the influence of electromagnetic coupling caused by the inductance and the stray capacitance between cables and the ground. Developed measurement system consists of small IP measurement nodes including transmitter and receiver units. Each IP measurement node is placing beside the electrode in order to shorten the cables connecting to electrodes. In this study, we introduce the measurement system for the time-domain IP method and its development status. |
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