Environmental effects in a karstic aquifer due to seepage from an in-river reservoir

  • Marinos P. 
  • Kavvadas M. 


The paper estimates the anticipated changes in the seepage conditions towards the karstic aquifer, the recharge of the aquifer from the combined rainfall, seepage and exploitation as well as the potential alteration in the quality of the aquifer due to the creation of a nearby reservoir. It is shown that despite the somewhat increased seepage of polluted river water towards the aquifer, the quality of the groundwater in the karstic aquifer is not expected to degrade appreciably. However, since the water of the aquifer is used for the supply of neighbouring communities, it is proposed that in the areas where the thickness of the intervening semi-permeable alluvia is small, artificial sealing is installed using either compacted clay or plastic membranes.

Conséquences sur l'environnement des fuites d'un réser voir de barrage vers un aquifère karstique


L'article traite le problème des fuites du réservoir d'un barrage qui pourraient se produire vers un aquifère karstique proche et les modifications du régime des eaux souterraines qui en résulteraient, tout en tenant compte des conditions d'alimentation et d'exploitation de cet aquifère. L'analyse montre que malgré l'augmentation des fuites des eaux du fleuve, les quantités concernées ne peuvent aggraver la qualité des eaux souterraines d'une manière notable. Néanmoins, comme les eaux sont utilisées en même temps pour les adductions d'eau potable, il est proposé, dans certains secteurs, où l'épaisseur des alluvions interposées est faible, d'imperméabiliser les berges.

Mots clés

aquifère karstique analyse des fuites éléments finis effets environnementaux 


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Copyright information

© International Association of Engineering Geology 1980

Authors and Affiliations

  • Marinos P. 
    • 1
  • Kavvadas M. 
    • 1
  1. 1.National Technical University of AthensAthensGreece

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