Study of Changes in Water Quality Index of Ziarat River at 2018 in Gorgan

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NOROOZI N.; SADEGHI M.; SHAHBAZI A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Journal of Research in Environmental Health Year:2020 | Volume:6 | Issue:3 Page(s): 250-259

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Title

Study of Changes in Water Quality Index of Ziarat River at 2018 in Gorgan

Author(s)

NOROOZI N. | SADEGHI M. | SHAHBAZI A. | Issue Writer Certificate

Keywords

Chemical QualityQ1

Gorgan CountyQ2

Physical QualityQ1

Water ResourcesQ2

Water Quality Index (WQI) SoftwareQ1

Abstract

Background and Aim: Water quality is an important factor that affects all aspects of ecosystem and health food-to-business activities to the sustainability and health of the echosystem. This study was carried out with the aim of investigating the qualitative changes in the Ziarat River water. Materials and Methods: : Samples were collected from the Ziarat river at five stations in 2018. Samples were transferred to the Golestan University of Medical Sciences under standard conditions in ice. The parameters including nitrate, phosphorus, biochemical oxygen demand (BOD), chemical oxygen demand (COD), ammonia, total hardness, and total fecal coliform were measured according to standard methods. Then, the Water Quality Index (WQI) was calculated. Results: The results of the study showed that the WQI for all stations was between 29. 68 and 64. 78. In some stations, the average value was 50-70 while some stations had poor quality (25-50). The most effective parameter on the water quality of the river was BOD, followed by total solids, turbidity, phosphate, nitrate, and total fecal coliform. Conclusion: The highest level of pollution occurred in the terminal stations (4 and 5) due to more industrial activities, and the release of sewage and effluents into the river. Among the measured parameters, nitrogen and phosphorus as nutrients, if left uncontrolled, can pose the risk of eutrophication. Agricultural, livestock, and recreational activities around the river could affect the water quality of the river so that a better quality was observed in the upstream stations. Considering that the Ziarat river is one of the most important sources of water supply for agricultural and industrial sectors in Golestan province, the monitoring and control of pollutants entering this river are essential.

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APA: Copy

NOROOZI, N., SADEGHI, M., & SHAHBAZI, A.. (2020). Study of Changes in Water Quality Index of Ziarat River at 2018 in Gorgan. JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH, 6(3 ), 250-259. SID. https://sid.ir/paper/382451/en

Vancouver: Copy

NOROOZI N., SADEGHI M., SHAHBAZI A.. Study of Changes in Water Quality Index of Ziarat River at 2018 in Gorgan. JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH[Internet]. 2020;6(3 ):250-259. Available from: https://sid.ir/paper/382451/en

IEEE: Copy

N. NOROOZI, M. SADEGHI, and A. SHAHBAZI, “Study of Changes in Water Quality Index of Ziarat River at 2018 in Gorgan,” JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH, vol. 6, no. 3 , pp. 250–259, 2020, [Online]. Available: https://sid.ir/paper/382451/en

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