The Valco S. Paolo site may be regarded as representative of the main Tiber valley in the urban area of Rome, which is located 2 km south of the city center. In recent years, as per level, temperature and electrical conductivity measurements conducted in gravel and sand aquifers have notable variations. For this purpose, heads observed from 15 piezometers and physical characteristic data of sand and gravel aquifers were monitored in 5 piezometers in the Tiber river by dataloggers during 4 months and integrated with available geological and hydrogeological information to develop a conceptual model of the system. These fundamental information are required to characterize the existing groundwater system in this area in order to establish a groundwater flow model. The validation of the conceptual model by a steady-state numerical groundwater flow model reveals that minimum change occur in the center. Trial and Error calibration method has been applied to this model. The calibrated model had been used to simulate a different set of field measurements and the verification showed a good degree of confidence.

About the Author

Zeynep Demiray, MSc Geo.Eng., �ukurova 2007. She is res.ass. in SDU carrying on her PhD education.Francesco La Vigna, MSc Geology, RomaTRE 2004. From 2009 he is PhD in Hydrogeology and is research fellow at RomaTRE University. Roberto Mazza, MSc Geological Sciences, Sapienza 1992. From 2005 he is researcher in Engineering Geology at RomaTRE University.

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