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基于自然电位方法的土壤水分入渗过程监测
引用本文:杨磊,周启友,雷鸣,杨建龙.基于自然电位方法的土壤水分入渗过程监测[J].水文地质工程地质,2012,39(3):1-5.
作者姓名:杨磊  周启友  雷鸣  杨建龙
作者单位:南京大学地球科学与工程院水科学系,南京,210093
基金项目:国家自然科学基金(40771038)
摘    要:自然电位方法可以应用于水文地球物理领域获取土壤水分入渗特征.通过连续监测野外试验场的自然电位场,获取连续的自然电位平面图,直接获知了土壤水分在平面上的主要入渗区域,同时借助自然电位成像方法,揭示了土壤水分的两个主要通道,并探测出两个地下孔洞的位置,最终在地质雷达剖面图的辅助下证实了上述结论,为水文地球物理领域提供了新的技术手段和方法.

关 键 词:自然电位  成像  水分入渗

Monitoring the water infiltration progress in soil using the self-potential method
YANG Lei , ZHOU Qi-you , LEI Ming , YANG Jian-long.Monitoring the water infiltration progress in soil using the self-potential method[J].Hydrogeology and Engineering Geology,2012,39(3):1-5.
Authors:YANG Lei  ZHOU Qi-you  LEI Ming  YANG Jian-long
Affiliation:(Department of Hydrosciences,Nanjing University,Nanjing 210093,China)
Abstract:Self-potential method can be used to observe the water infiltration process in soil in hydrogeophysics.In the present study,continuous electrical potential field is measured and the surface self-potential maps are gained.Using these maps,surface infiltration region is shown immediately.With the help of self-potential tomography technique,two main preferred paths are discovered in soil and the positions of two sinkholes are determined at the same time.The ground-penetrating radar(GPR) profile maps also offer proof to confirm the above results.The self-potential method provides a new technological means in hydrogeophysics.
Keywords:self-potential  tomography  water infiltration
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