Indian Journal of Science and Technology

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The vertical electrical sounding (VES) was employed in investigation for aquiferous units in Asaba area in Oshimili South Local Government Area of Delta state. Seven vertical electrical sounding were carried out in the study area using the schlumberger configuration with maximum current electrode spacing of 450 m - 500 m. The data was interpreted quantitatively and using the conventional curve matching and computer iteration method. The result revealed four to five geoelectric layers, with resistivity values ranging from 45.8 Om m to 1707 Om, 59 Om to 3434.9 Om, 83.2 Om to 5725 Om and 133.4 Om to 12693.4 Om for the first, second, third and forth/fifth layers respectively. The lithologies consisting of lateritic top soil, clay, fine medium and coarse grained sands with varying thickness. The aquiferous units were mostly confined and the results from this study were found to be consistent with some lithologic logs obtained from boreholes drilled in the study area.

Keywords

Hydrogeophysical, Investigation, Asaba, Aquiferious Units, Confined
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