APPLIED JOURNAL OF PHYSICAL SCIENCE
Integrity Research Journals
ISSN: 2756-6684
Model: Open Access/Peer Reviewed
DOI: 10.31248/AJPS
Start Year: 2018
Email: ajps@integrityresjournals.org
Assessment of aquifer vulnerability using Vertical Electrical Sounding (VES) data in Parts of Bori Metropolis for groundwater exploration
https://doi.org/10.31248/AJPS2025.128 | Article Number: AD0FE3833 | Vol.6 (4) - August 2025
Received Date: 07 July 2025 | Accepted Date: 30 August 2025 | Published Date: 30 August 2025
Authors: Onengiyeofori A. Davies* , Beabu G. Menegbo and Opiriyabo I. Horsfall
Keywords: resistance, vulnerability., Conductivity, groundwater, Aquifer, transmissivity, conductance
This study evaluates the vulnerability of an aquifer in the study area using geophysical and hydrogeological parameters derived from Vertical Electrical Sounding (VES) data (obtained from 13 VES stations), including longitudinal conductance (S), transverse resistance (T), hydraulic conductivity (K), and aquifer transmissivity (T). The estimated longitudinal conductance (0.0070–0.1993 S) indicates moderate to low protective capacity of the overlying layers, while transverse resistance (4425.30–84758.40 Ωm2) reveals variable hydraulic barriers, with lower values suggesting higher contamination risks. Hydraulic conductivity (8.11–356.55 m/day) and transmissivity (240.77–8664.19 m²/day) further highlight high aquifer heterogeneity, with zones of extremely high permeability posing severe contamination risks due to rapid pollutant migration. The findings underscore the need for spatially differentiated groundwater protection strategies, emphasising high-risk zones where anthropogenic activities must be regulated to safeguard water quality. This research provides a framework for aquifer vulnerability assessment in similar hydrogeological settings, supporting sustainable groundwater management.
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