Correlation Between Geoelectric And Hydrodynamic Parameters Of Aquifers: Transversal Resistence Versus Transmissivity In Bebedouro’S Region, Southeast Of Brazil

Estimates of hydrodynamic parameters from geoelectrical data settings play an important role in hydrogeology studies. In such context, correlation between transversal resistance (RT) and<br>Transmissivity (T) has been considered a usefu l tool for evaluation of aquifer hydrodynamic characteristics. Ten Vertical Electrical Soundings (VES) using Schlumberger configuration close to<br>tubular wells were carried out in Bebedouro’s region (São Paulo state, Brazil) aiming at getting RT. Through a representative average value of hydraulical conductivity (K) obtained from Adamantina Formation, it was possible to estimate T parameter that in turn allowed a RT x T relationship analyzed by linear regression with correlation coefficient R = 0.9. In order to access the reliability of such methodology, nine additional VES’s were carried out for specific points placed at the southern region of the micro basin, for which we had no available information provided by stratigraphic studies of tubular wells. Furthermore, values were also estimated for RT and T parameters plotted against results provided by the first 10 VES’s. Results were considered satisfactory validating the method applicability.