Risk assessment of trace metals in an extreme environment sediment: shallow, hypersaline, alkaline, and industrial Lake Acıgöl, Denizli, Turkey

Environmental Monitoring and Assessment
Murat BudakogluLokman Gumus

Abstract

The major and trace element component of 48 recent sediment samples in three distinct intervals (0-10, 10-20, and 20-30 cm) from Lake Acıgöl is described to present the current contamination levels and grift structure of detrital and evaporate mineral patterns of these sediments in this extreme saline environment. The spatial and vertical concentrations of major oxides were not uniform in the each subsurface interval. However, similar spatial distribution patterns were observed for some major element couples, due mainly to the detrital and evaporate origin of these elements. A sequential extraction procedure including five distinct steps was also performed to determine the different bonds of trace elements in the < 60-μ particulate size of recent sediments. Eleven trace elements (Ni, Fe, Cd, Pb, Cu, Zn, As, Co, Cr, Al and Mn) in nine surface and subsurface sediment samples were analyzed with chemical partitioning procedures to determine the trace element percentage loads in these different sequential extraction phases. The obtained accuracy values via comparison of the bulk trace metal loads with the total loads of five extraction steps were satisfying for the Ni, Fe, Cd, Zn, and Co. While, bulk analysis results of the Cu, Ni, ...Continue Reading

References

May 3, 2000·Archives of Environmental Contamination and Toxicology·D D MacDonaldT A Berger
Sep 8, 2006·Environmental Monitoring and Assessment·Unmesh Chandra PandaSanjay K Sundaray
Feb 3, 2009·Environmental Monitoring and Assessment·J JernströmJ Paatero
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May 5, 2011·Environmental Monitoring and Assessment·Egina MalajPiet N L Lens
May 13, 2014·The Science of the Total Environment·Z D Uca AvciM Budakoglu

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