音频大地电磁法在广西北海市海水入侵调查中的应用

区小毅, 黎海龙, 杨富强, 莫亚军, 陆怀成

A preliminary study of the application of audio magnetotelluric method to the investigation of seawater intrusion in Beihai City, Guangxi

Xiao-Yi OU, Hai-Long LI, Fu-Qiang YANG, Ya-Jun MO, Huai-Cheng LU

图1 北海市海水入侵和高位养殖区分布(据文献[6]) 1—基岩隆起承压含水层缺失范围;2—海水入侵区;3—海水养殖引发地下水咸化区;4—水源地界线;5—潜水井;6—承压水井;7—钻孔

Fig.1 Distribution of the seawater invasion and mariculture in Beihai city(according the literature [6]) 1—the absence range of bedrock uplift confined aquifer;2—seawater intrusion region;3—mariculture causes the salinity of groundwater;4—source boundary;5—well in phreatic aquifer;6—confined water well;7—drill