Abstract
In this study, the quality of the Nubaria canal water was investigated before and after mixing drainage water with Nubaria canal. Flow and water quality profiles have been estimated along the canal through the mathematical model, QUAL2K. The model has been calibrated according to the field data collected during summer and winter of the year 2007. The study included electrical conductively (EC), Biological Oxygen Demand (BOD) and ammonia (NH3). From the results obtained, the QUAL2K model appears to be useful for estimating water quality of Nubaria canal. Dynamic management is the most appropriate solution for controlling water quantity and quality of drainage water expected to be reused through mixing with Nubaria canal. Moreover, the salt and waste assimilative capacity of a canal could be calculated. Reusing of mix project drainage water, by discharge of 0.50 million m3/d does not affect the Nubaria water canal. There are clear effects in the Nubaria canal water today due to drainage water specially drain 3.
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