Hydrochemistry and groundwater quality in a semiarid calcareous area: an evaluation of major ion chemistry using a stoichiometric approach

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dc.contributor.authorAvci H.
dc.contributor.authorDokuz U.E.
dc.contributor.authorAvci A.S.
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2018
dc.departmentNiğde ÖHÜ
dc.description.abstractThis study is a wide-ranging evaluation of groundwater within the calcareous semiarid area, Gaziantep in southeast Anatolia, Turkey. The resulting water chemistry data (1) explains the interactions between rock and water, (2) evaluates the quantitative relationships between chemical species (major ions), (3) separates hydrochemical facies, (4) provides information on current water quality for multiple uses, and (5) acts as a benchmark for future research. Relationships between ion concentrations (as meq/L) were analyzed through linear modeling and calculation of coefficients of determination (R2). Stoichiometric calculations were employed to determine the quantitative relationships between ions in groundwater. Calculations between (Ca2++Mg2+) and HCO3 - indicated that, even at different concentrations of the total alkaline earth metal ion (M2+), the relative percent remained at 72% for all samples. The majority of Ca2+, Mg2+, and HCO3 - ions in groundwater were derived from weathering of calcite, the most common mineral in the local geology. Weathering of dolomite was also important to the contribution of ions in some areas. Ca-HCO3 was found to be the dominant water type for 81% of raw samples; a mixed water type was found in 17% of the samples. The major dissolved components of groundwater are, therefore, Ca(HCO3)2 and, to a lesser degree, Mg(HCO3)2. The sampled groundwater was generally found to meet drinking water quality guidelines for most of the physicochemical quality properties for which standards are available, and with regard to concentrations of Mg2+, Na+, K+, Cl-, SO4 2-, NO2 -, and NH4 +. However, NO3 -, Ca2+, and HCO3 - concentrations in several groundwater samples were in excess of maximum acceptable concentrations (MACs). © 2018, Springer Nature Switzerland AG.
dc.identifier.doi10.1007/s10661-018-7021-8
dc.identifier.issn0167-6369
dc.identifier.issue11
dc.identifier.pmid30338491
dc.identifier.scopus2-s2.0-85055072178
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://dx.doi.org/10.1007/s10661-018-7021-8
dc.identifier.urihttps://hdl.handle.net/11480/1590
dc.identifier.volume190
dc.identifier.wosWOS:000447809200010
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherSpringer International Publishing
dc.relation.ispartofEnvironmental Monitoring and Assessment
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectCalcareous semiarid area
dc.subjectGroundwater
dc.subjectHydrochemical facies
dc.subjectHydrochemistry
dc.subjectQuantitative relationships between chemical species
dc.subjectStoichiometric approach
dc.titleHydrochemistry and groundwater quality in a semiarid calcareous area: an evaluation of major ion chemistry using a stoichiometric approach
dc.typeArticle

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