GNGTS 2014 - Atti del 33° Convegno Nazionale

GNGTS 2014 S essione 3.2 147 Fig. 3 – Geophysical surveys result: a) ERT and lithological model; b) GPR results (dotted lines: sub horizontal continuous reflectors; red and green circle: anomalies individuate in correspondence of sinkholes; red line: strong and chaotic reflections probably due to the presence of filling material; yellow line: an hyperbolic anomaly located between 90 and 110 m of the radargram); c) SP map and reconstruction of water flux direction.