Determination of Ground Water Potential Using Electrical Resistivity MethodJournal: International Journal of Science and Research (IJSR) (Vol.9, No. 4)
Publication Date: 2020-04-05
Authors : M. E. Abbey; T. Digbani;
Page : 878-882
Keywords : Aquifer; Depth of Aquifer Water Table; Resistivity;
A resistivity survey was carried out to study groundwater potential in Ignatius Ajuru University of Education in Rumuolumini Town, Rivers State of Nigeria with the aim of determining the depth, thickness, resistivity and lithology at which potable water can be obtained. Two Vertical Electrical Soundings were conducted using the Schlumberger configuration. The VES data were subjected to an iteration software (IPI2WIN) which showed that the area is composed of top soil, clay, mud and sand. Based on the interpretation, interested layer under the geoelectric section is sand (made up of fine – coarse sand) in VES1-2 which signifies two aquiferous zones. The first aquifer where good quality groundwater can be gotten is due to its depth and thickness of the sand body. The second aquifer is shallow, due its depth and thin thickness, the filling of the pore spaces with overlying mud formations must have reduced the efficiency of this aquifer and it suspected to be contaminated due to the dump site. It is therefore recommended that boreholes for sustainable water supply must not exceed a depth of between 40.00m – 55.00m because of the confining bed in the fifth geoelectric layer. Further research should be carried out in this area in other to verify the contaminant nature of the aquifer by using lateral mapping method (wenner array).
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