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Analysis of a Simple Probe for <i>In-Situ</i> Resistivity Measurements
Department of Electrical Engineering, University of Alaska Anchorage, Anchorage, AK, USA
Department of Electrical Engineering, University of Alaska Anchorage, Anchorage, AK, USA
Department of Mechanical Engineering, University of Alaska Anchorage, Anchorage, AK, USA
University of Alaska Fairbanks, Fairbanks, AK, USA
- 1 Department of Electrical Engineering, University of Alaska Anchorage, Anchorage, AK, USA
- 2 Department of Electrical Engineering, University of Alaska Anchorage, Anchorage, AK, USA
- 3 Department of Mechanical Engineering, University of Alaska Anchorage, Anchorage, AK, USA
- 4 University of Alaska Fairbanks, Fairbanks, AK, USA
Journal of Water Resource and Protection·Volume 09 (2017)·Pages 1–10·Published 10 January 2017·DOI10.4236/jwarp.2017.91001
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Abstract
We present a probe factor for a simple measurement device, which can be used to determine in-situ electrical resistivity in soils or other penetrable bodies. The probe is primarily sensitive to the material immediately surrounding it and therefore is ideal for determining localized conductivities. The geometry of the probe can be scaled to effectively adjust the region of interest. The calibration, or “probe factor” is a function of the geometry, as well as the electrode configuration. Results are presented assuming a Wenner array configuration, however they can easily be extended to other geometries, such as the Schlumberger or dipole-dipole array.
KeywordsElectrical Resistivity MeasurementsSoil MoistureElectrical ConductivityGeophysical Measurement
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