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Hydrogeological characterisation of the Flumendosa plain

Claudio Arras
;Roberto Balia;Cristina Buttau;Pierluigi Cau;Stefania Da Pelo;Antonio Funedda;Giorgio Ghiglieri;Alfredo Loi;Maria Teresa Melis;
2019-01-01
2019
978-88-5526-012-1
The alluvial plain of the Flumendosa River, in south-eastern Sardinia (Italy), is filled by detritic and alluvial deposits of Upper Pleistocene and Holocene Epoch and hosts a shallow phreatic aquifer and a deeper confined one. The plain is surrounded by hill reliefs made up of metamorphic and plutonic rocks of Palaeozoic Era. Progressive seawater intrusion and soil salinization have occurred over the last few decades probably due to decreasing surface water supply from the Flumendosa River caused by dam construction upstream the plain and groundwater overexploitation for irrigation and household purposes related to increasing touristic request during summer periods (INEA, 2011). The EU Water Framework Directive (WFD; 2000/60/EC) and the Groundwater Directive (GWD; 2006/118/EC), implemented by the Italian national regulation in the D.Lgs. 30/09, establishes that all groundwater bodies of member countries must be monitored to assess their quali-quantitative status. The Flumendosa plain represents one of 114 groundwater bodies (GWB) of the Hydrographic District of Sardinia and it is monitored since 2011 by the Regional Environmental Protection Agency of Sardinia (ARPA Sardegna). Since it has been classified in a poor chemical and quantitative status there is the need to better understand the hydrodynamic context and to plan effective remediation actions that will be included in the next update of the River Basin Management Plan of Sardinia (RAS, 2016).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11584/277411
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