Resource management of a natural mineral water system, with high socio-economic interest, requires a multidisciplinary approach in order to ensure the sustainability of the exploitation. The aim of the study is the definition of the hydrogeological conceptual model of "Ferrarelle" sparkling mineral water system (FMS) in Riardo Plain (RP) and the calculation of the hydrological budget of the recharge area through the definition of groundwater flow system and the identification of the geometry, extension and spatial relationships between carbonate and volcanic formations. RP is located east of the Roccamonfina Volcano, being enclosed south, east and north by Mesozoic carbonate ridge. The bedrock in RP is mostly composed of Mesozoic carbonate rock with overlying Pleistocene volcanic, volcaniclastic and alluvial deposits. Structural setting is made up mostly of tensional NE-SW and NW-SE trending fault systems affecting carbonate rocks. Moreover deep faults and fractures systems are the way for the CO2 rising up. Over the last three years several hydrogeological surveys were carried out by "Roma Tre University". Groundwater levels and chemical-physical parameters were measured in more than 230 wells. Discharge rate of about 50 springs and 33 stream were measured during the surveys. The hydrogeological data were integrated with the chemical analyses of 53 water samples. A database was created in order to integrate bibliographic to experimental data, and then a geodatabase was implemented in GIS. The results show a dynamic watershed within RP that separates two hydrogeological basins: Savone basin draining toward SW and Rio delle Starze basin draining toward NE. In the first basin the piezometric levels are similar both in deep (withdrawing from the carbonate aquifer) and in shallow wells (draining volcaniclastic aquifer). The results force to think that volcaniclastic and carbonate-rock aquifer are hydrologically connected at the least at Savone basin. Hydrological relationship between RP and surrounding carbonate ridges was investigated in order to define boundary conditions for FMS. The estimation of hydrogeological budget is a fundamental tool in order to control and manage the water resource in mineral water exploitation area. Distributed hydrogeological budget method was applied, by creating grids for the various budget components. The hydrogeological budget of Savone basin was calculated, the results point out an equilibrium between inflow rate and outflow (natural discharge and anthropic withdrawals) rate.
Mazza, R., Pietrosante, A., Taviani, S., Viaroli, S., Paolucci, V. (2015). "Ferrarelle" Natural Mineral Water System (Riardo Plain - Italy): a Multidisciplinary Approach in Support of Groundwater Budget Calculation. In AQUA 2015 - Abstract Book. Roma : IAH.
"Ferrarelle" Natural Mineral Water System (Riardo Plain - Italy): a Multidisciplinary Approach in Support of Groundwater Budget Calculation
TAVIANI, SARA;
2015
Abstract
Resource management of a natural mineral water system, with high socio-economic interest, requires a multidisciplinary approach in order to ensure the sustainability of the exploitation. The aim of the study is the definition of the hydrogeological conceptual model of "Ferrarelle" sparkling mineral water system (FMS) in Riardo Plain (RP) and the calculation of the hydrological budget of the recharge area through the definition of groundwater flow system and the identification of the geometry, extension and spatial relationships between carbonate and volcanic formations. RP is located east of the Roccamonfina Volcano, being enclosed south, east and north by Mesozoic carbonate ridge. The bedrock in RP is mostly composed of Mesozoic carbonate rock with overlying Pleistocene volcanic, volcaniclastic and alluvial deposits. Structural setting is made up mostly of tensional NE-SW and NW-SE trending fault systems affecting carbonate rocks. Moreover deep faults and fractures systems are the way for the CO2 rising up. Over the last three years several hydrogeological surveys were carried out by "Roma Tre University". Groundwater levels and chemical-physical parameters were measured in more than 230 wells. Discharge rate of about 50 springs and 33 stream were measured during the surveys. The hydrogeological data were integrated with the chemical analyses of 53 water samples. A database was created in order to integrate bibliographic to experimental data, and then a geodatabase was implemented in GIS. The results show a dynamic watershed within RP that separates two hydrogeological basins: Savone basin draining toward SW and Rio delle Starze basin draining toward NE. In the first basin the piezometric levels are similar both in deep (withdrawing from the carbonate aquifer) and in shallow wells (draining volcaniclastic aquifer). The results force to think that volcaniclastic and carbonate-rock aquifer are hydrologically connected at the least at Savone basin. Hydrological relationship between RP and surrounding carbonate ridges was investigated in order to define boundary conditions for FMS. The estimation of hydrogeological budget is a fundamental tool in order to control and manage the water resource in mineral water exploitation area. Distributed hydrogeological budget method was applied, by creating grids for the various budget components. The hydrogeological budget of Savone basin was calculated, the results point out an equilibrium between inflow rate and outflow (natural discharge and anthropic withdrawals) rate.
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
