Volume 17, Issue 2 (9-2019)                   sjsph 2019, 17(2): 157-168 | Back to browse issues page

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Velayatzadeh M, Koshafar A. Pollution Assessment some of Heavy Metals in Water and Surface Sediments of Nasseri Wetland (Khorramshahr). sjsph. 2019; 17 (2) :157-168
URL: http://sjsph.tums.ac.ir/article-1-5764-en.html
1- Department of Industrial Safety, Caspian Institute of Higher Education, Qazvin, Iran , mv.5908@gmail.com
2- Assistant Professor,Department of Environment, College of Agriculture and Natural resource, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
Abstract:   (1348 Views)
Background and Aim:This research was conducted of determining and comparing the heavy metals of zinc, iron, manganese, copper, nickel and vanadium in summer in waters and sediments of Naseri wetland in Khuzestan province, 2017.
Material and Methods:Sampling of water and sediments from three areas of north, central and southern Naseri wetland was carried out in summer. In order to measure heavy elements, the ICP-OES model Varian 710-ES was used to measure the induction plasma (ICP) and its composition by mass spectrometry (ICP-MS).
Results:The average concentration of heavy metals in Naseri wetland water was obtained at station 3 above the first and second stations. Zinc, iron, copper and vanadium were lower in the wetland water than national and international standards, but higher levels of manganese and nickel were obtained. The average of the concentrations of the studied metals except the nickel in the surface sediments of the wetland in the second station was higher than the first and third stations. Ni was found higher in the sediments of the third station.
Conclusion:The results of calculating the contamination factor showed that heavy metals were zinc, iron, manganese, nickel, vanadium and copper in low pollution levels. The degree of contamination of the studied metals also showed that pollution of Nasseri wetland sediments was low. The degree of contamination of modified heavy metals indicates very low contamination of sediments of Naseri wetland. The ecological risk of zinc, iron, manganese, nickel, vanadium, and copper was in the low-risk category. The total ecological risk of heavy metals at the stations was also classified as low risk.
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Type of Study: Research | Subject: Public Health
Received: 2019/09/21 | Accepted: 2019/09/21 | Published: 2019/09/21

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