Hydrogeological Modelling for the Watershed Management of the Mar Menor Coastal Lagoon (Spain)
Science of the Total Environment 663 (2019) 901–914 Contents lists available at ScienceDirect Science of the Total Environment journal homepage: www.elsevier.com/locate/scitotenv Hydrogeological modelling for the watershed management of the Mar Menor coastal lagoon (Spain) Andrés Alcolea a, Sergio Contreras b,JohannesE.Huninkb, José Luis García-Aróstegui c,d, Joaquín Jiménez-Martínez e,f,⁎ a HydroGeoModels AG, Tösstalstrasse 23, 8400 Winterthur, Switzerland b FutureWater, Calle San Diego 17, 30202 Cartagena, Spain c Geological Survey of Spain, Murcia Office, Avda. Miguel de Cervantes 45, 5A, 30009 Murcia, Spain d University of Murcia, Institute for Water and Environment, Campus de Espinardo, 30010 Murcia, Spain e Department of Water Resources and Drinking Water, EAWAG, 8600 Dübendorf, Switzerland f Department of Civil, Environmental and Geomatic Engineering, ETH Zürich, 8093 Zürich, Switzerland HIGHLIGHTS GRAPHICAL ABSTRACT • Mar Menor coastal lagoon is a key ex- ample of eutrophication by agricultural activity. • The sustainable development of Mar Menor must be considered as a land- sea continuum. • A numerical model tests the effective- ness of groundwater management strat- egies. • The model provides a decision support tool for policy makers. article info abstract Article history: The Mar Menor is the largest lagoon along the Spanish Mediterranean coast. It suffers from eutrophication and Received 1 December 2018 algal blooms associated with intensive agricultural activities and urban pressure in the surrounding Campo de Received in revised form 12 January 2019 Cartagena plain. A balanced discharge of groundwater, carrier of algal nutrients such as nitrate, is essential to en- Accepted 16 January 2019 sure the integrity of the coastal lagoon and the availability of groundwater resources inland.
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