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Geophysical Characterization of Hydraulic Properties around a Managed Aquifer Recharge System over the Llobregat River Alluvial Aquifer (Barcelona Metropolitan Area)

Sendrós Brea-Iglesias, Alex ; Himi, Mahjoub ; Lovera Carrasco, Raúl ; Rivero Marginedas, Lluís ; Garcia‐Artigas, R ; Urruela, Aritz ; Casas i Ponsatí, Albert

MDPI 2020-12

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  • Title:
    Geophysical Characterization of Hydraulic Properties around a Managed Aquifer Recharge System over the Llobregat River Alluvial Aquifer (Barcelona Metropolitan Area)
  • Author: Sendrós Brea-Iglesias, Alex ; Himi, Mahjoub ; Lovera Carrasco, Raúl ; Rivero Marginedas, Lluís ; Garcia‐Artigas, R ; Urruela, Aritz ; Casas i Ponsatí, Albert
  • Subjects: Aquifers ; Aqüífers ; Hidrogeologia ; Hydrogeology ; Llobregat (Catalunya : Curs d'aigua) ; Llobregat River (Catalonia)
  • Notes: http://hdl.handle.net/2445/172617
    Reproducció del document publicat a: https://doi.org/10.3390/w12123455
    705121
    Water, 2020, vol. 12, num. 12, p. 3455
    2073-4441
    Articles publicats en revistes (Mineralogia, Petrologia i Geologia Aplicada)
    https://doi.org/10.3390/w12123455
  • Description: Managed aquifer recharge using surface or regenerated water plays an important role in the Barcelona Metropolitan Area in increasing storage volume to help operators cope with the runoff variability and unexpected changes in surface water quality that are aggravated by climate change. The specific aim of the research was to develop a non-invasive methodology to improve the planning and design of surface-type artificial recharge infrastructures. To this end, we propose an approach combining direct and indirect exploration techniques such as electrical resistivity tomography (ERT), frequency domain electromagnetics and data from double-ring infiltration tests, trial pits, research boreholes and piezometers. The ERT method has provided much more complete and representative information in a zone where the recharge project works below design infiltration rates. The geometry of the hydrogeological units and the aquifer-aquiclude contact are accurately defined through the models derived from the interpretation of ERT cross-sections in the alluvial aquifer setting. Consequently, prior to the construction of recharge basins, it is highly recommended to conduct the proposed approach in order to identify the highest permeability areas, which are, therefore, the most suitable for aquifer artificial recharge
  • Publisher: MDPI
  • Creation Date: 2020-12
  • Language: English
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