Volume 9, Issue 36 (Volume 9; Number 36; Summer 2019)                   2019, 9(36): 74-91 | Back to browse issues page

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Ghadimi F. Evaluation of heavy metal contamination indices in different uses of water in Mighan Arak wetland. Arid Regions Geographic Studies. 2019; 9 (36) :74-91
URL: http://journals.hsu.ac.ir/jarhs/article-1-1512-en.html
Arak university of Technology , ghadimi@arakut.ac.ir
Abstract:   (4463 Views)
Mighan Arak wetland  is a closed area where all runoff and groundwater are directed to the wetland. Major cities such as Arak and Ashtian, industrial towns such as Arak, Khairabad and Aibak Abad, as well as large agricultural activities are located  in upstream of wetland  and sewage and wastewater containing heavy metals enter the Mighan wetland.In addition, the Mighan wetland has ecotourism attractions, as migratory birds as well as geo-tourists as the sodium sulfate mine. To determine the severity of contamination of pollutant metals and contaminant sources in Mighan wetland, water samples were taken from saline water applications including ponds, Mighan lake and Amlah company sewage and freshwater inputs to wetland such as municipal wastewater, water agriculture.Concentrations of toxicants such as Hg, As, Pb, Co, Cu, Pb and Zn were determined by atomic absorption. Comparison of these elements with the international drinking water standard indicates that the wetland is desirable. But evaluation of pollution indices, contamination degree and contamination threshold showed that the wetland was contaminated with elements such as Hg, As and Pb. The most important sources of contaminants being municipal wastewater and agricultural effluent.
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Type of Study: Applicable | Subject: محیط زیست
Received: 12/Oct/19 | Accepted: 18/May/20 | Published: 18/May/20

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