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Vadose Zone Journal Abstract - SPECIAL SECTION: PATTERNS

Inverting Capacitive Resistivity (Line Electrode) Measurements with Direct Current Inversion Programs

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This article in VZJ

  1. Vol. 9 No. 4, p. 882-892
    unlockOPEN ACCESS
    Received: Nov 17, 2009

    * Corresponding author(s): nklitzsch@eonerc.rwth-aachen.de
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  1. Maik Neukirchab and
  2. Norbert Klitzsch *a
  1. a Applied Geophysics and Geothermal Energy, E.ON Energy Research Center, RWTH Aachen Univ., Achen, Germany
    b currently at: Barcelona Center for Subsurface Imaging, Instituto de Ciencias del Mar, CSIC, 00803 Barcelona, Spain


The capacitive resistivity (CR) method is a time- and labor-saving alternative to traditional direct current (DC) resistivity methods. The line electrode variant of CR suffers from the absence of data inversion programs as available for the DC resistivity method. Direct current inversion programs were applied to determine the resistivity distribution from CR measurements using an approximately equivalent four-point dipole–dipole configuration. We optimized configurations to minimize the systematic error applying DC inversion programs to CR, using data based on the comparison of the two-dimensional sensitivities of the proposed DC approximations. The optimal four-point dipole–dipole geometry has a dipole length of 80%.

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