Osama K. Saleh, Magdy H. Mowafy, Mohamed O. Elsayed


Egypt is the gift of the Nile, Its destination has been always linked to enhancing the utilization of its water. Since the beginning of perennial irrigation in the middle of nineteenth century until the construction of the Awan high dam, the concern was directed towards better control of the River Nile water. After the construction of the high dam and the fully control water resources, the interest directed towards controlling the demand and increasing the efficiency of water use and crop production by the unit of water in Egypt. The purpose of this research is to manage the irrigation water demand  for all water resources in the study area. The selected study area is located in Awlad Sakr district, Sharkia Governorate. Water quantity is considered during the water managements process. The research provides suitable tools to reduce the gap between demand and supply by managing water abstraction along the branch canals. Different approaches of storage water are applied during this research in order to overcome the shortage of water at the end of the main canal and its branches. Different scenarios are introduced and simulate the flow in the canal using the SOBEK simulation model which is a one dimensional model. SOBEK program is a full hydrodynamic simulator for modeling flows and levels in open channels. Four different cases of water storage are suggested. The results have been analyzed for each case. The applied scenarios represent different storage cases for Dafan Canal (case 16.7 %, case 25 %,   case 33.3 % and case 40 %) and the results are the water levels, velocities, discharges which were studied for each case. The summarizing the results of this study indicates SOBEK program is a good tool to estimate the hydraulic characteristics in open channel under different scenarios. another result that the case 16.7% storage is the best, For 25% storage, the banks in some location need to be raised, while with 33.3% and 40% there is shortage of water in some locations along the canal


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