Estimation of Hydrogeophysical Parameters from Geoelectrical Resistivity Sounding in Iyesi, Southwestern Nigeria
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Hydrogeological characterization of aquifers requires some knowledge of hydraulic parameters for efficient groundwater resource assessment and management. Traditional techniques for determining hydraulic parameters are generally invasive and expensive, and can only provide point information which is inherently unable to accounts for the spatial variability of the subsurface hydrologic properties. Non-invasive or minimally invasive geophysical techniques, which are relatively inexpensive and have capability of providing subsurface information over wide spatial resolutions, offer alternative approach to estimating hydraulic parameters. The present study is an attempt to estimate the hydrogeophysical parameters of the delineated aquifer units from surface geoelectrical resistivity measurements in Iyesi and its environs, southwestern Nigeria. The estimated hydrogeophysical parameters define the aquifer properties for the assessment and management of groundwater resource in the area.
Keywords
QC Physics, QE Geology