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izvor podataka: crosbi

Hydrochemical characterization of arsenic contaminated alluvial aquifers in Eastern Croatia using multivariate statistical techniques and arsenic risk assessment (CROSBI ID 190082)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Ujević Bošnjak, Magdalena ; Capak, Krunoslav ; Jazbec, Anamarija ; Casiot, Corinne ; Sipos, Laszlo ; Poljak, Vedran ; Dadić, Željko Hydrochemical characterization of arsenic contaminated alluvial aquifers in Eastern Croatia using multivariate statistical techniques and arsenic risk assessment // Science of the total environment, 420 (2012), 100-110. doi: 10.1016/j.scitotenv.2012.01.021

Podaci o odgovornosti

Ujević Bošnjak, Magdalena ; Capak, Krunoslav ; Jazbec, Anamarija ; Casiot, Corinne ; Sipos, Laszlo ; Poljak, Vedran ; Dadić, Željko

engleski

Hydrochemical characterization of arsenic contaminated alluvial aquifers in Eastern Croatia using multivariate statistical techniques and arsenic risk assessment

Multivariate statistical analyses, cluster, factor and discriminant analyses, were used to estimate spatial variations in groundwater chemistry in Eastern Croatia and to identify the main geochemical processes responsible for high arsenic (As) concentrations in the groundwater analyzed. Cluster analysis revealed five different groups of sampling sites linked with groundwater evolution, hydrochemical characteristics and different As content in the groundwater. Two-model factor analysis explained around 50% of total variance of the data sets and enabled identification of the different geochemical processes responsible for higher As concentrations, i.e. decoupled Fe and As reduction and desorption. Using discriminant analysis, a threeparameter discriminant function was derived: electrical conductivity, nitrate and bromide, which yielded highly accurate classification of the samples according to the concentration of As as As-safe (b10 μg/L) and As contaminated (>10 μg/L). A health risk assessment model was applied to calculate cumulative exposure to As as well as toxic and carcinogenic risks resulting from drinking raw groundwater contaminated by As in Eastern Croatia. Although the results obtained indicate that adverse health effects could be observed among the residents of the villages in which raw groundwater with higher As concentrations has been used, there are no reported cases of arsenicosis.

arsenic; groundwater; multivariate analysis; risk assessment; eastern Croatia

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Podaci o izdanju

420

2012.

100-110

objavljeno

0048-9697

10.1016/j.scitotenv.2012.01.021

Povezanost rada

Geologija, Kemija, Javno zdravstvo i zdravstvena zaštita

Poveznice
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