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American Journal of Water Resources. 2014, 2(1), 25-30
DOI: 10.12691/ajwr-2-1-4
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Groundwater Potential Evaluation of College of Engineering, Afe Babalola University, Ado-Ekiti, Southwestern Nigeria

Ogundana A.K1, and Talabi A. O2

1Department of Geology, Afe Babalola University, Ado-Ekiti

2Department of Geology, Ekiti State University, Ado-Ekiti

Pub. Date: March 11, 2014

Cite this paper:
Ogundana A.K and Talabi A. O. Groundwater Potential Evaluation of College of Engineering, Afe Babalola University, Ado-Ekiti, Southwestern Nigeria. American Journal of Water Resources. 2014; 2(1):25-30. doi: 10.12691/ajwr-2-1-4


Availability of water for daily activities has constituted serious challenge at the College of Engineering, Afe Babalola University, Ado-Ekiti. Hence, geophysical study of the College was conducted to investigate its groundwater potential with a view to proffer solution to water availability in the study area. Profiling and Vertical electrical sounding methods were employed using Dipole - Dipole and Schlumberger configuration respectively. Eight points were sounded along three traverses and one profile was occupied. Five different subsurface lithologic units were established namely; lateritic topsoil, sandy-clay, weathered basement, fractured basement and, fresh basement. The curve types range between simple K, H to complex HA, HK and KH. The topsoil, sandy-clay and weathered basement materials are characterised with relatively low resistivity values while the fresh basement materials are characterized with high resistivity values. The average resistivity and thickness values for the topsoil are 178Ωm and 1.0m respectively. Sandy-clay was encountered in six locations with average resistivity and thickness values of 23Ωm and 7.0m respectively. Weathered basement was encountered in six locations with average resistivity and thickness values of 231Ωm and 8.0m respectively. Fractured basement was encountered in four locations with average resistivity and depth to the top of fracture values of 294Ωm and 18.0m respectively. Basement is relatively shallow in the study area, it was encountered in three locations and the average resistivity and depth values to the top of basement are 1000Ωm, and 11.0m respectively. Overburden thickness was established in six locations with an average value of 11.0m. The combination of overburden materials with the fractured basement constitutes aquiferous units within the study area. The groundwater potential of the area is rated as medium with VES 2 and 5 more promising.

groundwater potential profiling vertical electrical sounding average resistivity

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