Sediment contamination by trace elements and the associated ecological and health risk assessment: A case study from a large reservoir (Turkey)

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dc.authorid0000-0001-6475-0570en_US
dc.contributor.authorCanpolat, Özgür
dc.contributor.authorVarol, Memet
dc.contributor.authorÖztekin Okan, Özlem
dc.contributor.authorEriş, Kürşad Kadir
dc.date.accessioned2021-11-16T08:25:22Z
dc.date.available2021-11-16T08:25:22Z
dc.date.issued2022en_US
dc.departmentMTÖ Üniversitesi, Doğanşehir Vahap Küçük Meslek Yüksekokulu, Su Ürünleri Bölümüen_US
dc.description.abstractAlthough Keban Reservoir (KR) is Turkey's the second largest man-made reservoir, limited data are available on the contents of trace elements (TEs) in sediments of the KR. The concentrations of 23 less- and commonly-monitored TEs in the sediments from 49 sites in the reservoir were measured to assess health risks, contamination levels and ecological risks of TEs. Concerning median Enrichment Factor values of TEs, chromium (Cr), strontium (Sr) and nickel (Ni) showed moderate enrichment, while other TEs showed minimal enrichment. Pollution Load Index values ranged from 0.33 to 0.63, indicating no a multi-element contamination case in the study area. Low ecological risk was found at 47 sites, while moderate ecological risk was recorded at two sites. The PEC (probable effect concentration) values were exceeded for Ni and Cr. Although wastewater from leather processing factory partly contributed to Cr enrichment at site 2, all TEs mainly originated from lithogenic sources. Median hazard quotient (HQ) values of zirconium (Zr) and lanthanum (La) for children from sediment ingestion were above the risk threshold of unity (HQ = 4.81 and 1.39) and contributed 62.9% and 18.2% of the total health risk. Such high HQ values of Zr and La have never been reported in the literature. Hazard index values for children exceeded those for adults, indicating that children are more vulnerable to health risks than adults. Carcinogenic risk values of arsenic (As) were within the acceptable limits. Our findings indicated that in a multi-element sediment study, some less-monitored elements such as Zr and La may have an important role in health risk assessment even if they are found in the sediment at low concentrations. Therefore, this study can be a model for future similar studies evaluating the health risks of multi-elements in sediments.en_US
dc.identifier.citationCanpolat, Ö., Varol, M., Okan, Ö. Ö., & Eriş, K. K. (2022). Sediment contamination by trace elements and the associated ecological and health risk assessment: A case study from a large reservoir (Turkey). Environmental Research, 204, 112145.en_US
dc.identifier.doi10.1016/j.envres.2021.112145
dc.identifier.endpage10en_US
dc.identifier.issn0013-9351en_US
dc.identifier.issn1096-0953en_US
dc.identifier.pmid34597661
dc.identifier.scopus2-s2.0-85117199047en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1en_US
dc.identifier.urihttps://doi.org/10.1016/j.envres.2021.112145
dc.identifier.urihttps://hdl.handle.net/20.500.12899/462
dc.identifier.volume204en_US
dc.identifier.wosWOS:000717674400002en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorVarol, Memet
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofEnvironmental Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectTrace elementsen_US
dc.subjectSedimentsen_US
dc.subjectPollution indicesen_US
dc.subjectRisk assessmenten_US
dc.titleSediment contamination by trace elements and the associated ecological and health risk assessment: A case study from a large reservoir (Turkey)en_US
dc.typeArticleen_US

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