GEOELECTRIC INVESTIGATION OF GROUNDWATER POTENTIAL USING VERTICAL ELECTRICAL SOUNDING AT THE MALE STUDENT HOSTEL

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GEOELECTRIC INVESTIGATION OF GROUNDWATER POTENTIAL USING VERTICAL ELECTRICAL SOUNDING AT THE MALE STUDENT HOSTEL

 

ABSTRACT
A geoelectric survey of groundwater potential was carried out in the male hostel at Isa Kaita College of Education Dutsinma, Katsina State Nigeria using ABEM SAS 300 Terrameter. The Wenner and Schlumberger electrodes configurations were used for data acquisition. In the process, four Vertical Electrical Soundings (VES) were conducted at stations 01, 02, 03, and 04 covering the area. This was done in order to determine: the variation in resistivity of the topsoil of the area, the Depth and the thickness of the weathered basement, the depth and the thickness of the Aquifer, the Depth to basement, and to establish areas suitable for borehole development. The VES data obtained were interpreted using ipi2win computer software which showed that the area is composed mainly of three (3) layers, namely; the topsoil, weathered basement, fractured basement. The weathered and fractured layers constitute the aquiferous zone in all the stations. The results of the interpreted VES data showed that the first layer has resistivity of the topsoil varies from 18.2 to 172 Ωm with an average value of 95.1 Ωm. The thickness of the weathered basement varied from 10.8 to 16.2 m with an average value of 13.5m while depth to this layer varies from 10.8to27 m with an average value of 24.3 m. The thickness of the fractured basement varied from 16.2 to 2.14 m with an average value of 18.34 m, while depth to this layer varies from 27m to 4.33m with an average value of 15.67 m. The thickness of the aquifer varied from 16.2mto 2.14 m with an average value of 18.34 m, while depth to aquifer varies from 27 to 4.33m with an average value of 15.66 m. Depth to basement varies from 27 to 4.33m with an average value of 15.67 m. Based on the results, VES 01 has high potential for groundwater and are therefore recommended for borehole establishment

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GEOELECTRIC INVESTIGATION OF GROUNDWATER POTENTIAL USING VERTICAL ELECTRICAL SOUNDING AT THE MALE STUDENT HOSTEL

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