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Paper Details

MAPPING OF SALTWATER INTRUSION AT IGBOKODA, SOUTHWESTERN, NIGERIA USING COMBINED GEOPHYSICAL AND CHEMICAL TECHNIQUES

JAMES ADEGOKE1, WILFRED IGBOAMA *2, EMMANUEL ADETUWO1 1Department of Physics, University of Ibadan, Ibadan, Nigeria 2Department of Physics, Federal University, Oye-Ekiti, Nigeria

Journal Title:Journal of Engineering Studies and Research
Abstract


Abstract: This research work was set out to map saltwater intrusion in Igbokoda area of Ilaje, Ondo State, Southwestern, Nigeria using combined geophysical and chemical techniques. Eight (8) Vertical Electrical sounding were carried out using the Schlumberger Electrode array system with maximum spread of (AB/2) 133 m and water samples were acquired and analysed using atomic absorption spectrometer. The VES data was interpreted by the method of partial curve matching and computer iteration technique using Winresist software. The result obtained revealed four geoelectric layers. The saltwater intrusion originated from movement of seawater into the freshwater aquifer coupled with human activities.

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