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Environmental Geology

, Volume 30, Issue 3–4, pp 257–265 | Cite as

Groundwater pollution in Quaternary aquifer of Vitoria – Gasteiz (Basque Country, Spain)

Influence of agricultural activities and water-resource management
  • I. Arrate
  • J. M. Sanchez-Perez
  • I. Antiguedad
  • M. A. Vallecillo
  • V. Iribar
  • M. Ruiz
Cases and solutions

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.

Key words Groundwater pollution Basque Country 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1997

Authors and Affiliations

  • I. Arrate
    • 1
  • J. M. Sanchez-Perez
    • 2
  • I. Antiguedad
    • 1
  • M. A. Vallecillo
    • 1
  • V. Iribar
    • 1
  • M. Ruiz
    • 1
  1. 1.Hydrogeology Group, Department of Geodynamics, University of Basque Country, 48940 Leioa (Bizkaia), SpainES
  2. 2.CEREG-URA 95 CNRS, 3 Rue de l'Argonne, 67083 Strasbourg Cedex, FranceFR

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