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This article in SSSAJ

  1. Vol. 67 No. 2, p. 494-496
     
    Received: Apr 19, 1999
    Published: Mar, 2003


    * Corresponding author(s): ty@hwr.arizona.edu
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doi:10.2136/sssaj2003.4940

The electrical conductivity response of a profiling time-domain reflectometry probe

  1. T. P. A. Ferré *a,
  2. D. L. Rudolphab and
  3. R. G. Kachanoskiac
  1. a T.P.A. Ferre, Dep. of Hydrology and Water Resources, University of Arizona, Tucson, AZ 85721
    b Dep. of Earth Science, University of Waterloo, Waterloo, ON, N2L 3G1 Canada
    c Dean of Graduate Studies, University of Saskatchewan, Saskatoon, SK, S7N 5A4 Canada

Abstract

Direct measurements of changes in the electrical conductivity (EC) are made using the profiling time domain reflectometry (TDR) probe described in a previous work. This is the first demonstration of the ability of a TDR probe to measure EC through coatings or access tubes. Based on the ability of this probe to profile the water content, this suggests that a single instrument may be able to profile changes in water content and electrolytic solute concentration during transient flow through the unsaturated zone.

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Copyright © 2003. Soil Science SocietyPublished in Soil Sci. Soc. Am. J.67:494–496.