What is it about?
The present study is considered the first on this sector of the Tigris River since 2003. It is designed for two aims: the first is to demonstrate the seasonal variations in physicochemical parameters of the Tharthar-Tigris Canal and Tigris River, and the second is to explain the possible effects of the canal on some environmental properties in the Tigris River. Water samples were being collected monthly. Six sampling sites were selected, two on the Tharthar Canal and four along the Tigris River, one before the confluence as a control site and the others downstream the confluence with the canal. For a period from January to December 2020, nineteen physicochemical parameters were investigated, including air and water temperature, turbidity, electrical conductivity, salinity, dissolved oxygen, percent oxygen saturation, biological oxygen demand, pH, total hardness, calcium, magnesium, sulphate, total dissolved solids, total suspended solids, total alkalinity, bicarbonate, nitrate, and phosphate.
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Why is it important?
The study was designed with two aims: to demonstrate the seasonal variations in physicochemical parameters of the Tharthar-Tigris Canal and the Tigris River and to explain the possible effects of the canal on some environmental properties in the Tigris River.
Perspectives
It can be concluded that the water properties of the Tharthr Canal and Tigris River are different in terms of many parameters such as flow rate, conductivity, salinity, TDS, TSS, turbidity, total hardness, calcium, magnesium, sulphate, total alkalinity, bicarbonate, nitrate, and phosphate. Thus, Tharthar water impacts Tigris water within and downstream the confluence zone, changing its properties from fresh to oligohaline, hard to very hard water, and increasing TDS, calcium, and sulphate ions. Whereas, the values of turbidity, TSS, total alkalinity, and bicarbonate have been reduced. Finally, the pH values of both rivers tend to be alkaline, and the levels of DO and nitrate fall within the permissible limits.
Dr Osama S. Majeed
Ministry of Education, Baghdad, Iraq
Read the Original
This page is a summary of: The Effect of Tharthar-Tigris Canal on the Environmental Properties of the Tigris River Northern Baghdad, Iraq, Baghdad Science Journal, December 2022, College of Science for Women,
DOI: 10.21123/bsj.2022.6483.
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