Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Characteristic of electrical resistivity against volumetric water content and frequency in weathered soil

체적함수비 및 주파수에 따른 풍화토의 전기비저항 특성

  • 손영환 (위스콘신주립대학교 토목및환경공학과) ;
  • 봉태호 (서울대학교 지역시스템공학과) ;
  • 장병욱 (서울대학교 지역시스템공학과)
  • Published : 2008.09.30
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Abstract

This study was conducted to define a characteristics of Electrical Resistivity of weathered soil against volumetric water content and frequency. It is essential to analyze and understand a characteristics of the Electrical Resistivity for evaluation of soil as subsurface contaminant detection. Before the test, an effect of pore water and ion were checked using four liquids(distilled water, tap water, potassium chloride 1.8mM, and 3.7mM). As a result, the correlation between the volumetric water content and the Electrical Resistivity was estimated. The Electrical Resistivity decreases with increasing frequency and water content. Also, Electrical Resistivity could be described by an exponential function of volumetric water content with the constants.

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References

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