Modelling of Stages of Nile River as a Tool for a Better Water Resources Management

by Wael R. Soliman, Water Research Cent, Cairo, Egypt,
M. Fawzy Helwa, Water Research Cent, Cairo, Egypt,
M. A. Rady, Water Research Cent, Cairo, Egypt,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract: As far as Egypt is concerned, the Nile is not just a river, it is rather the pulsing nerve of life. Consequently, it was essential to maintain detailed information about its levels and discharges. The irrigation system in Egypt uses the water levels as the main tool for water distribution. Therefore, the main objectives of the present work were to test the feasibility of using a physically based mathematical model to simulate the Nile stages and discharges. A model based on finite element formulation of the Saint Venant was applied to a 360 kilometer reach of the Nile in Upper Egypt. The model reliability was tested by comparing the stages predicted with the actual observations for 25 gauging stations. The results showed a good agreement between the predicted and observed stages. The root of the mean of squared deviations in the 25 guaging stations tested except one ranged between 6.2 and 21.0 cm. representing 3.25% and 15% of the total differnece between the highest and lowest stages at the corresponding nodes.

Subject Headings: Water resources | Hydrologic models | Resource management | Water discharge | Rivers and streams | Decision support systems | Mathematical models | Finite element method | Mathematics | Model tests | Developing countries | Nile River | Africa | Egypt

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