Trace metals in core sediments from a deep lake in eastern Turkey: Vertical concentration profiles, eco-environmental risks and possible sources

The contents of 12 trace metals (Hg, As, Pb, Cd, Ni, Cr, Zn, Cu, Co, Mn, Al and Fe) in two sediment cores (Hz11-P02 and Hz11-P09) from the Lake Hazar, one of the deepest natural lakes in Turkey, were examined to evaluate vertical concentration profiles, possible sources, pollution status and eco-env...

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Bibliographic Details
Published in:Ecotoxicology and environmental safety 2020-02, Vol.189, p.110060, Article 110060
Main Authors: Varol, Memet, Canpolat, Özgür, Eriş, Kürşad Kadir, Çağlar, Metin
Format: Article
Language:English
Subjects:
Eco-environmental risks
Environmental Monitoring - methods
Geologic Sediments - chemistry
Lake hazar
Lakes - chemistry
Metals, Heavy - analysis
Risk Assessment
Sediment core
Source identification
Trace Elements - analysis
Trace metals
Turkey
Water Pollutants, Chemical - analysis
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Summary:The contents of 12 trace metals (Hg, As, Pb, Cd, Ni, Cr, Zn, Cu, Co, Mn, Al and Fe) in two sediment cores (Hz11-P02 and Hz11-P09) from the Lake Hazar, one of the deepest natural lakes in Turkey, were examined to evaluate vertical concentration profiles, possible sources, pollution status and eco-environmental risks of these metals. The highest concentrations of Cd and As were detected in the upper part (0–10 cm depths) of core Hz11-P02, while Hg concentration was at a maximum in the upper part of core Hz11-P09. The concentrations of other metals except Cr were the highest in the bottom layer (depths below 100 cm) of both cores. Among trace metals (TMs), Cr, Ni, Al and Mn in core Hz11-P02 and Mn in core Hz11-P09 showed statistically significant correlations with core depth (p 
ISSN:0147-6513
1090-2414
DOI:10.1016/j.ecoenv.2019.110060