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《Computing Techniques for Geophysical and Geochemical Exploration》 2017-06
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The application of comprehensive geophysical prospecting method in water exploration

LIAO Wenpeng;ZHU Tong;HUANG Rihua;ZHANG Zhilei;School of Geology Engineering and Geomatics,Changan University;  
In order to solve the problem of water shortage in HeYang of Wei Nan city,we select the transient electromagnetic method and radioactive method to search for underground water in this area.The rectangle large loop source transient electromagnetic method was widely used in the exploration of the groundwater.There was obvious boundary effective when we use terminal of the apparent resistivity to calculate,but when we select all-time apparent resistivity to calculate it that can effectively suppress the boundary effect,and it is showed in article.Structure faulting is beneficial to radioactive gas migration to the surface,then we can measured the radioactive abnormal.Radioactive method has a series of advantages compared with the traditional electrical method.It also be widely used in the exploration of groundwater.Radioactive abnormal can be broadly framed structure facture,and the distribution features of the resistivity can be framed the position of underground water-bearing fracture.It was mutual authentication and complement each other between two method,and it improves the accuracy of the water,reducing the risk of exploration effectively,too.Drilling verification single well water yield can be up to 60 m3/h,it solve the problem of he lives of local residents and crop irrigation water,and providing an important technical basis for water exploration in the future.
【CateGory Index】: P631;P641.7
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