AN INTEGRATED HYDROGEOPHYSICAL, HYDRAULIC, AND HYDROCHEMICAL FRAMEWORK USING GSI TOOL FOR ASSESSING AQUIFER SUSTAINABILITY IN THE COASTAL SEDIMENTARY BASIN OF AKWA IBOM STATE, NIGERIA
Groundwater resources in coastal sedimentary basins are increasingly threatened by rapid urbanization, excessive groundwater abstraction, saline intrusion, and hydrogeological heterogeneity, posing significant challenges to long-term aquifer sustainability. This study develops an integrated hydrogeophysical-hydraulic-h...