Vertical Electrical Sounding (VES) for Estimation of Hydraulic Parameters in the Porous Aquifer

Similarities in both water and electric current flows allow the relation of hydraulic geoelectric parameters porous aquifers. Based on this assumption importance for groundwater analyses, study aimed to estimate conductivity (K) transmissivity (T) with vertical electrical sounding (VES) aquifer at experimental farm University Brasilia, Brazil. VES is a geophysical technique that provides resistivity (ρ, Ω m) thickness (h) subsurface layers. The ρ h data, associated lithology, table level (WTL), (ρw, m), allowed calculation complementary (formation factor, F, Dar Zarrouk parameters) K T, determined via slug test. data elaboration models, mean absolute percentage error (MAPE) below 6% compared field identification each station. Significant exponential regression models (R2 > 0.5 p-value < 0.05) showed possibility using parameters. This verification applicability consolidated appropriate empirical relationships hydrogeological characterization Brazilian tropical results work, besides rapid sampling low cost performing (VES), may justify use preliminary characterization, especially regions absent or insufficient monitoring wells.