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土壤电阻率能够表达土壤在时间变化和空间分布上的物理性质,如含水量、渗透系数等,并且电阻率法能够以非入侵的方式获得土壤特性,该方法成为了目前非常有效和便捷的研究手段。本文阐述了该方法的基本原理,分析了与土壤电阻率特性有关的因素,并讨论了其求取渗透系数方面的应用。总结了电阻率方法应用中存在的问题,并对未来研究提出了一些建议。
Soil resistivity can express the physical properties of soil over time and in spatial distribution, such as water content, permeability coefficient, etc., and the resistivity method can obtain soil characteristics in a non-intrusive manner. This method has become a very effective and convenient study means. This paper describes the basic principle of the method, analyzes the factors related to the resistivity of the soil, and discusses the application of the method to obtain the permeability coefficient. The problems existing in the application of resistivity method are summarized, and some suggestions for future research are put forward.