TECHNICAL PAPERS

Using Radar for Groundwater Investigation

Abstract

The feasibility of using ground‐penetrating radar (GPR) in coarsetexture soils to determine depth to the water table was demonstrated in separate studies in Massachusetts and Florida. In Massachusetts, two sites were chosen to demonstrate the application of GPR techniques for water‐table depth investigation in a topographically diverse setting. In Florida, a site was selected to demonstrate the accuracy of measurements made from GPR profile and the water‐table distribution over a study area. The difference between water‐table depths from observation well data and radar profile was within 10 cm in all samples. The coefficient of determination, r2, between the well and the radar data was 0.90.