Environmental Geology and Water Sciences

, Volume 6, Issue 2, pp 103–109 | Cite as

Survey of a coastal karstic aquifer by analysis of the effect of the sea-tide: Example of the Kras of Slovenia, Yugoslavia

  • C. Drogue
  • M. Razack
  • P. Krivic


A hydrodynamic study of a coastal karstic aquifer is attempted by analyzing the effect of sea-tide on its water table Under certain conditions, this approach, which involves quite easy data processing, may yield the hydrodynamic parameters of the aquifers, diffusivity, in particular. The aquifer involved here is the Kras of Slovenia, Yugoslavia, which is bounded on one side by the Adriatic Sea (Bay of Trst)Kras is the Slovenian word from which the wordkarst originates

The Kras aquifer is located in a thick carbonate sequence (Cretaceous) with an anticline structure. This sequence outcrops and is affected by opened vertical fractures. The geological setting could suggest a free groundwater with negligible piezometric variations with respect to the thickness of the carbonate sequence

The study was carried out by the identification of observed data (fluctuations of the water table) and computed data under various assumptions (confined, semi-confined, free groundwater). The best fit is obtained when considering a groundwater with semi-confined behavior, which, of course, does not agree with the geological setting of the Kras

However, this behavior can be justified by the fact that an important karstification occurred below the existing sea-level during the Quaternary and Tertiary marine recessions, creating diffusive zones in lower parts of the saturated karst it should be noted that similar situations must prevail in all the peri-Mediterranean karsts as they too were affected by the Quaternary and Tertiary recessions


Unsaturated Zone Turonian Karstic Aquifer Piezometric Level Hydrodynamic Behavior 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag New York Inc 1984

Authors and Affiliations

  • C. Drogue
    • 1
  • M. Razack
    • 1
  • P. Krivic
    • 2
  1. 1.Laboratoire d’HydrogéologieUniversité des Sciences et Techniques du LanguedocMontpellier CedexFrance
  2. 2.Geolski Zavod LjubljanaLjubljanaYugoslavia

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