Application of Surface Geophysics to groundwater investigation: A Case Study of a Rural Area in Ilorin, North Central, Nigeria

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dc.contributor.authorIbrahim Kehinde Olojoku
dc.contributor.authorAdeoye Taiye Olushola
dc.date.accessioned2024-04-22T14:09:00Z
dc.date.available2024-04-22T14:09:00Z
dc.date.issued2020-03-26
dc.descriptionMost rural areas depend on groundwater for their sustenance. Groundwater serves as a reliable source of water supply mostly in the form of shallow hand dug wells. This research aims at determining the groundwater potential and delineate different lithologies to predict possible depth for any future proposed borehole site in the rural community of Northcentral Nigeria.
dc.description.abstractThis study was carried out to determine groundwater potential in Ilorin, Northcentral Nigeria using Vertical Electrical Sounding (VES). The VES data was generated from twenty (20) locations in the study area and was later processed and analyzed using IPI2 WIN software. The underlying geo-electric sections comprises of topsoil, laterites, weathered basement, fractured basement, and fresh basement. The topsoil has resistivity and thickness ranges between 44.1- 862Ωm and 0.5 – 3.52m. The second layer which is laterites possess resistivity and thickness between 16.3 - 2001 Ωm and 0.62 – 10.3m, The third layer is weathered basement having resistivity and thickness ranges from 11.0 – 755 Ωm and 3.1 – 52.0m. The fourth layer considered as fractured basement has resistivity and thickness between 93.1 - 3247 Ωm and 14.8 – 71.1m and final layer is fresh basement which possess resistivity ranges between 73.7 – 8444 Ωm. The interpretation from the resistivity log of regolith rocks shows different curve types which include HA, HKH, QH, H and A – type curves. About 55% of the regolith in the area possesses aquifer potential value of 10.5 which shows optimum weathering and groundwater potential, therefore, any future borehole should be sited in these locations which are 3, 4, 8, 9, 10, 12, 13, 14, 16, 18, and 20. This study will provide a baseline hydrogeophysical data bank for prospective scientists, agriculturalists and relevant agencies that may be concerned with rural water supply and food security.
dc.description.sponsorshipSelf
dc.identifier.citationIbrahim, K. O., Adeoye, T. O. (2020), M. Application of Surface Geophysics to Groundwater Investigations: A Case Study of Rural Area in Ilorin, Northcentral Nigeria.
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/123456789/12622
dc.language.isoen
dc.publisherAkamai University, Hawaii
dc.subjectgroundwater potential
dc.subjectVertical Electrical Sounding
dc.subjectVES
dc.subjectSchlumberger array
dc.subjectIPI2 WIN software
dc.subjectgeoelectric selection
dc.subjectregolith)
dc.titleApplication of Surface Geophysics to groundwater investigation: A Case Study of a Rural Area in Ilorin, North Central, Nigeria

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