Statistical approach of groundwater quality assessment at Almopia basin, Macedonia, North Greece.


Published: Oct 22, 2020
Keywords:
Almopia groundwater quality multivariate statistics
Christos Mattas
https://orcid.org/0000-0001-5398-112X
Nikolaos Veranis
Georgios Soulios
Triantafyllos Kaklis
Abstract

Groundwater quality is substantial for social and economic activities in Greece since the majority of the cultivated land is irrigated by water abstracted from aquifers, via a large number of wells and boreholes. The main sources of groundwater pollution are the fertilizers used in agriculture, and the disposal of untreated wastewater from domestic and industrial use. The plain part of Almopia basin, North Greece, is a rural area with intense agricultural activities (including livestock), without significant industrial activity or urban centers. Mild touristic activity has been developed during the last decades in the area of Loutraki, due to the exploitation of the local geothermal field (Pozar springs) for balneotherapy. The aim of this paper is to evaluate the groundwater quality using conventional statistical methods, as well as to employ multivariate statistical methods (factor analysis, cluster analysis) in order to identify the main hydrogeological processes or human activities that affect and determine the water character. The area was selected because of the extended cultivating activities that take place within its boundaries and the availability of adequate data. According to the results of the implemented research, the groundwater samples are of good quality, whereas the chemical composition is mainly formed by the interaction between the water and the geological formations.

Article Details
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  • Hydrology and Hydrogeology
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Author Biographies
Christos Mattas, Aristotle University of Thessaloniki
Laboratory Teaching Staff, Department of Geology, Laboratory of Engineering Geology and Hydrogeology
Georgios Soulios, Aristotle University of Thessaloniki
Emeritus Professor, Department of Geology, Laboratory of Engineering Geology and Hydrogeology
Triantafyllos Kaklis, Aristotle University of Thessaloniki
Laboratory Teaching Staff, Department of Geology, Laboratory of Engineering Geology and Hydrogeology
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