Groundwater pollution in Quaternary aquifer of Vitoria – Gasteiz (Basque Country, Spain) |
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| Authors: | I Arrate J M Sanchez-Perez I Antiguedad M A Vallecillo V Iribar M Ruiz |
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| Institution: | (1) Hydrogeology Group, Department of Geodynamics, University of Basque Country, 48940 Leioa (Bizkaia), Spain, ES;(2) CEREG-URA 95 CNRS, 3 Rue de l'Argonne, 67083 Strasbourg Cedex, France, FR |
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| Abstract: | As a result of diverse changes in land use and in water-resource management in the high basin of the Zadorra River (Basque
Country), an important loss of water resources and an intense contamination by nitrogen compounds has taken place. The purpose
of this paper is to detail the land transformations that have taken place on the aquifer since the 1950s: increase of drainage
network, change from dry to irrigated farming, and diversion of rivers at the aquifer unit inlet. Furthermore, we analyze
the impact of these transformations on the hydrodynamics and water quality of this aquifer system.
Received: 12 January 1996 · Accepted: 10 March 1996 |
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| Keywords: | Groundwater pollution Basque Country |
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