Assessment of Metal Concentrations in Sediments from Lake Bafa (Western Anatolia): An Index Analysis Approach

Metals, organic carbon contents were determined in surficial and core sediment samples from Lake Bafa, Western Anatolia in 2010. The ranges of Fe, Mn, Pb, Cu, Ni, Cr, Zn and Hg contents of sediments from the Bafa Lake were 9.4–35 gkg −1 , 250–780, 2.3–20, 5.8–55, 1.2–480, 63–278, 26.6–79.9 and 0.013...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 2012-09, Vol.89 (3), p.512-518
Main Authors: Yilgor, Sinem, Kucuksezgin, Filiz, Ozel, Erdeniz
Format: Article
Language:English
Subjects:
Anthropogenic factors
Aquatic Pollution
Background levels
Bottom sediments
Contaminated sediments
Earth and Environmental Science
Earth crust
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Environmental risk
Geologic Sediments - chemistry
Lake sediments
Lakes
Lead
Limnology
Mercury
Metal concentrations
Metals
Metals - analysis
Organic carbon
Pollution
Sediment samplers
Soil Science & Conservation
Spectrophotometry, Atomic
Turkey
Waste Water Technology
Water Management
Water Pollutants, Chemical - analysis
Water pollution
Water Pollution Control
Zinc
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Summary:Metals, organic carbon contents were determined in surficial and core sediment samples from Lake Bafa, Western Anatolia in 2010. The ranges of Fe, Mn, Pb, Cu, Ni, Cr, Zn and Hg contents of sediments from the Bafa Lake were 9.4–35 gkg −1 , 250–780, 2.3–20, 5.8–55, 1.2–480, 63–278, 26.6–79.9 and 0.013–0.273 mg kg −1 , respectively. The mean metal concentrations in surficial sediments obtained in this study decreased in the following order; Fe > Mn > Ni > Cr > Zn > Cu > Pb > Hg for Bafa lake. Total organic carbon concentrations of the bottom sediments from the Bafa Lake varied between 0.35 % and 3.58 %. The mean concentrations of metal were lower than the background levels in earth crust except Cr and Ni in the core sediments. The metal levels were evaluated according to the New Geo-accumulation Index, enrichment and contamination factors. The results confirmed that the Bafa Lake is not facing serious environmental pollution risk due to metal contamination except Hg. The levels of Cr, Ni, Cu, Fe, Zn and Mn generally appear to be uniformly distributed with depth except Hg and Pb due to anthropogenic sources in the core sediments.
ISSN:0007-4861
1432-0800
DOI:10.1007/s00128-012-0699-3