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Volume 10, Issue 4 (July-August 2016)                   IJT 2016, 10(4): 41-46 | Back to browse issues page

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Sobhanardakani S, Ghoochian M. Analysis of Heavy Metals in Surface Sediments from Agh Gel Wetland, Iran. IJT. 2016; 10 (4) :41-46
URL: http://ijt.arakmu.ac.ir/article-1-467-en.html
1- Department of the Environment, Hamedan Branch, Islamic Azad University, Hamedan, Iran. , s_sobhan@iauh.ac.ir
2- PhD Student in Environmental Sciences, Young Researchers and Elite Club, Hamedan Branch, Islamic Azad University, Hamedan, Iran.
Abstract:   (2794 Views)

Background: Soil and sediment serve as major reservoir for contaminants as they possess ability to bind various chemicals together. In this study the concentrations of heavy metals Cd, Cr and Cu were analyzed in surface sediments of Agh Gel Wetland in west of Iran.

Methods: The sediment samples were taken from 10 stations. The samples were subjected to bulk digestion and chemical partitioning and Cd, Cr and Cu concentrations of the sediments were determined by ICP-OES. Geo-accumulation index (I-geo), Contamination factor (CF) and Pollution load index (PLI) were used to evaluate the magnitude of contaminants in the sediment profile.

Results: The mean sediment concentrations (mg kg-1 dry weight) ranged within 0.20-0.29 (Cd), 58-71 (Cr) and 23-36 (Cu). According to the I-geo values, the sediments' qualities are classified as unpolluted to moderately polluted category. According to the CF values, the sediments' qualities are classified as low to moderate contamination. Furthermore, the PLI values indicated that there were no metal pollution exists for all sampling stations.

Conclusion: The Agh Gel Wetland is potential to be threatened by chemical pollutants such as agricultural effluent. So to preserve the environment of the Agh Gel Wetland from deterioration, periodically monitoring of the water and sediment qualities is recommended.

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Type of Study: Research | Subject: Special

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