Kallioras,A., Pliakas,F. and Diamantis,I.(2006): Conceptual model of a coastal aquifer system in northern Greece and assessment of saline vulnerability due to seawater intrusion conditions. Environ. Geol., 51, 349-361.

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wAbstract
@This paper refers to the development of a conceptual model for the management of a coastal aquifer in northern Greece. The research presents the interpretation and analysis of the quantitative (groundwater level recordings and design of piezometric maps) regime and the formation of the upcone within the area of investigation. Additionally it provides the elaboration of the results of chemical analyses of groundwater samples (physicochemical parameters, major chemical constituents and heavy metals and trace elements) of the area which were taken in three successive irrigation periods (July-August 2003, July-August 2004 and July 2005), in order to identify areas of aquifer vulnerability. The study identifies the areas where ion exchange phenomena occur, as well as the parts of the aquifer where the qualitative degradation of the aquifer system is enhanced. The paper, finally, assesses the lack of any scientific groundwater resources management of the area by the local water authorities, as well as the current practices of the existing pumping conditions scheme as applied by groundwater users.

Keywords: Conceptual model of coastal aquifer; Groundwater resources management; Seawater intrusion; Saline aquifer vulnerabilityx

Introduction
Description of the study area
Methods of investigation
Groundwater qualitative regime
Conclusions
Acknowledgements
References


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