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    •   RIUMA Principal
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    • Ecología y Geología - (EG)
    • EG - Contribuciones a congresos científicos
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    Preliminary study of the impact of Guadalhorce river mouth channeling (Málaga, Spain) on groundwater and related wetlands

    • Autor
      Nieto-López, José Manuel; Andreo-Navarro, BartolomeAutoridad Universidad de Málaga; Barbera-Fornell, Juan AntonioAutoridad Universidad de Málaga; Ramírez-González, José Miguel; Rendón, Manuel
    • Fecha
      2017-11-20
    • Palabras clave
      Hidrogeología; Guadalhorce
    • Resumen
      In riverine areas, many anthropogenic actions (modification of natural water courses, burying or channeling works, etc.) have been commonly applied worldwide to prevent floods in rivers, having negative environmental impacts on their dependent ecosystems. In the Guadalhorce River mouth (Málaga, Southern Spain), channeling works -including the splitting of the main channel into two branches before arriving to the sea- were conducted to reduce the flood risk in the surrounding urbanized areas near to the Mediterranean coast. In the framework of the monitoring program of the Guadalhorce Delta Wetlands, located between the branches of the ending river stretch, measurements of electrical conductivity in wetland water and groundwater table were performed, as well as the sampling of both water types. The results show a progressive increasing in the mineralization of wetland water, reaching values 50 times higher than the original ones. In the underlying aquifers, the mineralization of groundwater is generally less variable and lower than the recorded in the eighties and nineties, when a salt intrusion episode occurred. Before the river channel modification, the water flow from the aquifer to the wetlands and toward the river in its mouth was deduced. Today, the wetlands recharge locally the Quaternary aquifer and, consequently, induce the groundwater flow towards the both branches of the river and Mediterranean Sea. The variation of the morphodynamics in the Guadalhorce River mouth and the associated changes in land use have caused significant impacts on ground and surface water and their dependent wetlands.
    • URI
      http://hdl.handle.net/10630/14807
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    Ficheros
    PRELIMINARY STUDY OF THE IMPACT OF GUADALHORCE RIVER MOUTH.pdf (166.9Kb)
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    • EG - Contribuciones a congresos científicos

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    REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
    REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
     

     

    REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
    REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA