Research Article | OPEN ACCESS
The Hydro Geophysical Investigation of Oyo State Industrial Estate Ogbomosho, Southwestern Nigeria Using Vertical Electrical Soundings
1T.A. Adagunodo, 1L.A. Sunmonu, 2A. Ojoawo, 3O.P. Oladejo and 1E.R. Olafisoye
1Department of Pure and Applied Physics, Ladoke Akintola University of
Technology, P.M.B. 4000, Ogbomosho, Nigeria
2Department of Mathematics, G.L. Roberts Collegiate and Vocational
Institution, Oshawa Ontario L1J193, Canada
3Department of Physics, Emmanuel Alayande College of Education, Oyo, Nigeria
Research Journal of Applied Sciences, Engineering and Technology 2013 5:1816-1829
Received: August 09, 2012 | Accepted: September 08, 2012 | Published: February 11, 2013
Abstract
The aim of this research is to carry out hydro geophysical study of Oyo State industrial estate Ogbomosho with a view to determining the areas that are good for groundwater prospects and the areas that are not suitable for groundwater exploration. Vertical Electrical Sounding (VES) method was used to map Oyo State industrial estate Ogbomosho which lies within latitude 08°06' 07.4" and 08°06' 25.4" North and longitude 004° 15' 03.3" and 004°15' 49.0" East of Southwestern Nigeria. Ten Vertical Electrical Soundings (VES) were carried out across the area using the schlumberger electrode array configuration with current electrode separation (AB) varying from 130 to 200 m. Nine out of the ten modeled curves were H-type where the remaining one was KH-type. The geoelectric sections obtained from the sounding curves revealed 3-layer and 4-layer earth models respectively. The models showed the subsurface layers categorized into the topsoil, weathered/clay, fractured layers and the fresh bedrock. The weathered basement and fractured basement are the aquifer types delineated for the area. Flow net and bedrock relief map showed that the Southern, Northeastern and towards the base of Northwestern direction of the study area are good for borehole development.
Keywords:
Fractured basement, fresh bedrock, groundwater potential, industrial estate investigation, vertical electrical sounding,
Competing interests
The authors have no competing interests.
Open Access Policy
This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Copyright
The authors have no competing interests.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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