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Open AccessArticle

Groundwater Vulnerability to Pollution Map for Karst Aquifer Protection (Ziria Karst System, Southern Greece)

School of Natural Science, Department of Geology, University of Patras, Rion, 26500 Patras, Greece
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Geosciences 2018, 8(4), 125; https://doi.org/10.3390/geosciences8040125
Received: 8 March 2018 / Revised: 29 March 2018 / Accepted: 3 April 2018 / Published: 5 April 2018
In recent years vulnerability maps have been used as a tool to highlight the areas with the greatest potential for groundwater pollution based on the hydrogeological conditions and their respective human impacts. Several regions of Greece depend completely or partially on drinking water from karst aquifers; thus, the production of vulnerability maps for such karstic areas is considered essential. In the present study, an assessment of aquifer intrinsic vulnerability has been conducted applying the COP method in the Ziria karst system. The latter is located at the Northeast part of Peloponnese in South Greece and is used as a public resource for drinking water. This method, which has been developed for carbonate (karst) aquifers, uses the properties of the overlying layers above the water table (O factor), the concentration of flow (C factor) and the precipitation regime (P factor) over the aquifer. The COP method considers karstic landforms as factors that decrease the natural protection provided by the overlying layers of a karst aquifer. With the use of GIS tools, vulnerability maps were produced highlighting the different degrees of intrinsic vulnerability in the karst system of Ziria. View Full-Text
Keywords: groundwater vulnerability mapping; karst aquifer; COP method groundwater vulnerability mapping; karst aquifer; COP method
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Nanou, E.-A.; Zagana, E. Groundwater Vulnerability to Pollution Map for Karst Aquifer Protection (Ziria Karst System, Southern Greece). Geosciences 2018, 8, 125.

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