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Title: ASSESSMENT OF HYDROGEOCHEMICAL CHARACTERIZATION AND GROUNDWATER QUALITY USING GEOSTATISTICAL AND GIS TECHNIQUES: A CASE IN THE NORTH PART OF ITALY
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ASSESSMENT OF HYDROGEOCHEMICAL CHARACTERIZATION AND GROUNDWATER QUALITY USING GEOSTATISTICAL AND GIS TECHNIQUES: A CASE IN THE NORTH PART OF ITALY
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1314-2704
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English
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17
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31
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One hundred and fifty-six groundwater samples were collected from the Aosta Valley region, Italy and analyzed for pH, electrical conductivity (EC), total dissolved solids (TDS), total hardness (TH), major cations (Ca??, Mg??, Na? and K?), major anions (HCO??, F,? Cl?, NO??, SO???) to evaluate the hydrogeochemical characterization as well as water quality of the area. A geographic information system (GIS) tool was used to study the spatial variation in the groundwater parameters of the study area. The analytical results show slightly acidic to slightly alkaline nature of the groundwater in the study area. The TDS exceed the desirable limit of 500 mg L?? in 43% of the groundwater samples. HCO?? and SO??? are the dominant anions, while cation chemistry is dominated by Ca??and Mg??. The data plotted on the Piper and Gibbs diagrams as well as statistical analysis reveals that the groundwater chemistry was mainly controlled by rock weathering processes in the study area. Ca??-Mg??-HCO??and Ca??-Mg??-Cl? -SO??? were the dominant hydrogeochemical facies in the groundwater of the study area. For quality assessment, values of analyzed parameters were compared with the World Health Organization (WHO) water quality standard, which shows that the concentrations of TDS, Ca??, SO??? and TH are exceeding the desirable limits in some water samples. This study could be useful in implementing future measures in groundwater resource management of the area.
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conference
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17th International Multidisciplinary Scientific GeoConference SGEM 2017
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17th International Multidisciplinary Scientific GeoConference SGEM 2017, 29 June - 5 July, 2017
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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51-58
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29 June - 5 July, 2017
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website
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cdrom
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3286
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Water quality; Major ion chemistry; Water type; Gibbs analysis; Aosta Valley
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