Hydrogeophysical Investigation of Groundwater Potential in Tumfure and Environs, Akko LGA, Gombe State, Northeastern Nigeria
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Abstract
This study was conducted to evaluate the groundwater potential of Tumfure and its environs in the Gongola Arm of the Upper Benue Trough, Northeastern Nigeria, in response to increasing dependence on groundwater for domestic water supply and the limited availability of surface water resources. The research applied hydro geophysical techniques to determine the distribution of the subsurface aquifer. Groundwater conditions were investigated using twenty (20) Vertical Electrical Sounding (VES) measurements acquired with the Schlumberger array (AB/2 of 200 meters) and interpreted using WINRESIST software. Results reveal predominantly three- to four-layer subsurface models comprising topsoil, clay, sandy clay, sandstone, and conglomerate. Despite favourable lithologic compositions, the absence of impermeable layers (aquitards/aquicludes) at depth limits groundwater accumulation. This study underscores the need for more comprehensive, multi-method geophysical surveys to enable compelling groundwater exploration in the area.
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