HYDRO GEOLOGICAL CONDITIONS AND GROUNDWATER QUALITY DEGRADATION IN MESSINI REGION

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Publiée : Ιαν 1, 2004
DOI : https://doi.org/10.12681/bgsg.16702
Γ. Παναγόπουλος
Department of Applied Geology and Geophysics, School of Geology, University of Patras
E. Πυτικάκης
Department of Applied Geology and Geophysics, School of Geology, University of Patras
K. Κατσάνου
Department of Applied Geology and Geophysics, School of Geology, University of Patras
N. Λαμπράκης
Department of Applied Geology and Geophysics, School of Geology, University of Patras
Résumé

The aquifers of the Messini region were categorized on the basis of lithology of different geological formations and are presented in this study. They are classified in two main categories: the porous media aquifers, in which are included the alluvial deposits and the Pleio-pleistocene formations, and the karst aquifers of carbonate rocks. Based on field and laboratorial chemical analyses, a relatively increased salinity of the karst aquifer was confirmed and is attributed to natural mixing mechanisms between fresh and seawater. Also, high concentrations of nitrates and nitrites were determined in the groundwater of the Pleiopleistocene aquifer, as a consequence of intensive fertilization with ammonium and sulfate fertilizers.

Article Details
  • Rubrique
  • Hydrology and Hydrogeology
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