Using Radon-222 As a Naturally Occurring Tracer To
Michele Guida, Domenico Guida, Davide WSEAS TRANSACTIONS on SYSTEMS Guadagnuolo, Albina Cuomo, Vincenzo Siervo Using Radon-222 as a Naturally Occurring Tracer to investigate the streamflow-groundwater interactions in a typical Mediterranean fluvial-karst landscape: the interdisciplinary case study of the Bussento river (Campania region, Southern Italy). MICHELE GUIDA(1,4)*, DOMENICO GUIDA(2), DAVIDE GUADAGNUOLO(1)**, ALBINA CUOMO(2), VINCENZO SIERVO(3) (1) Department of Physics, University of Salerno, via Ponte Don Melillo, 84084, Fisciano (SA), ITALY (2) Department of Civil Engineering, University of Salerno, via Ponte Don Melillo, 84084, Fisciano (SA), ITALY (3)C.U.G.RI., interUniversity Centre for Applied Research on the Prediction and Prevention of Major Hazards, University of Salerno and University of Naples, Via Ponte don Melillo, 84084 Fisciano (SA), ITALY. (4)I.N.F.N., National Institute for Nuclear and Subnuclear Research, Salerno Branch, University of Salerno, Via Ponte don Melillo, 84084 Fisciano (SA), ITALY. *miguida@unisa.it, ** davguada@gmail.com Abstract: - The Bussento river basin, located in the southeast of Campania region, shows interesting issues related to water assessment and management. Complex interactions and exchanges between surface and groundwater exist, influencing also onshore and off-shore submarine springs. Therefore, gaining river segments from karst groundwater and losing river segments towards the aquifer are recognized. Groundwater protection for drinking domestic use, riverine wild-life conservation and coastal water quality require a progressively optimized knowledge of these interactions. As a support for hydrological modelling tasks, various measurement campaigns have been made along the Bussento river for the acquisition of data about Radon concentration in the river and spring waters, using a radon monitor, Rad7 (Durridge Inc.) , equipped with a water probe and a Rad7H2O to measure radon activity concentration in water.
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