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Evaluation and Comparison of Depth and Season Effects on Heavy Metals and Contaminants Concentrations in an Aquatic Region

Journal: International Research Journal of Advanced Engineering and Science (IRJAES) (Vol.3, No. 2)

Publication Date:

Authors : ;

Page : 348-350

Keywords : Aquatic region; contaminants; depth; heavy metals; sediments.;

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Abstract

Considering different contaminants in aquatic areas such as seas or lakes and even wastewaters, heavy metals removal is one of the basic environmental issues which must be considered very seriously when studying any aquatic region. Concentrations of such contaminants in a region called Jask in Persian Gulf made in necessary to study the content of different heavy metals in different depths and different seasons in the aforementioned area in order to remove the possible existing contaminants. These metals are Zn, Cu, Pb, Fe and Mn which were measured in Summer and Winter in depths of 3,10 and 15 meters in Jask station as one of the stations for further protection. Based on the accurate measurements and analysis it was determined that Fe in sediments was more than other pollutants in both cold and warm seasons and in all the 3 studied depths (273.17±7.07 mg/kg, 245.16±0.38 mg/kg, 248.27±0.16 mg/kg respectively in cold seasons and 265.12±0.12 mg/kg, 240.94±0.73 mg/kg, 234.39±0.18 mg/kg respectively in warm seasons) while in the 3 meter depth, Zn had the least contamination with concentration of 54.534.8±0.02 mg/kg and Mn had the minimum value of contamination in 10 and 15 meter depth (25.02±0.87mg/kg and 31.55±0.43 respectively) in cold seasons. In comparison, in warm seasons the minimum contamination belonged to Zn in the 3 meter depth with 34.8±0.02 mg/kg and Mn had the minimum contents in the 10 and 15 meter depths with 20.19±0.39 mg/kg and 30.93±0.05 mg/kg respectively.

Last modified: 2018-06-18 23:03:49