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Improving Water Quantity and Quality Supply Security by Managed Artificial Recharge Technologies in the Lower Llobregat Aquifers Integrated into a Conjunctive Surface and Groundwater Management Scheme for Barcelona,Spain

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Journal of Environmental Science and Engineering(A) 2020年第4期9卷 119-139页

作者： Enric Queralt Xavier Bernat emilio custodio Llobregat Delta Water Users Association 08820 eL Prat de LlobregatBarcelonaSpain CETAQUA Water Technology CenterCornellàde Llobregat Barcelona 08934Spain Department of Civil and Environmental Engineering Polytechnical University of CataloniaBarcelona 08034Spain Royal Academy of Sciences of Spain Spain

The large concentration of human population,industry and services in the Metropolitan Area of Barcelona has to confront scarce water resources,serious seasonal and inter-annual variations and quality deficiencies in the sources.A large fraction of these water resources are in the medium-size Llobregat River basin and the remaining ones correspond to a surface water transfer,seawater desalination and wastewater *** dominated water resources availability before ***,water supply has evolved progressively to integrated water resources management,which includes serious water quality concerns to deal with population density,river pollution,seawater intrusion in the main aquifer,and brine generation in the mid Llobregat basin due to old mining of saline *** role of the alluvial aquifers has progressively evolved from being the main water source to reserve storage to cope with seasonal and drought water resources ***-enhanced recharge and artificial recharge are needed to assure enough groundwater storage before surface water becomes scarce and/or suffers a serious temporal loss of *** river recharge started in *** river water injection in dual-purpose wells was put into operation in the early *** and pond recharge was added later,as well as a deep well injection barrier along the coast to reduce seawater intrusion and to allow increased groundwater abstraction in moments of water *** is a progressive evolution from solving water quantity problems to consideration of water quality improvement during recharge,with attention to emergent concern pollutants in river water and in reclaimed water to be considered for artificial *** of artificial recharge operation activities has been introduced and research is being carried out on the difficult behavior to degrade organic pollutants during infiltration and in the *** paper presents the different activities ca

关键词： Enhanced river recharge artificial aquifer recharge integrated water resources management Llobregat River basin,Barcelona

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