Assessment for Drainage Water Supplements to the Irrigation Network at Kalabsho and Zian Area, SOBEK-Application

Ahmed M Nada

Abstract


The fresh water resources in Egypt are very limited and almost constant. Egypt share of Nile water is about 55.5 BCM annually according to Egypt-Sudan agreement of 1959 and the demand is highly increasing. The agriculture reuse drainage water is well developed.  The amount of it is expected to reach 8.8 BCM annually by the year 2017 [1]. Drains No.1 and 2 and their branches are studied here including water quality criteria, extensive precessions field measurements, constrains and fast interventions, modeling setting and testing of different scenarios. The comparison between precessions measured field data, calculated data and the analyzed results indicated that the SOBEK model has a strong adaptability and can be applied in case of modeling double direction flow. This is very common in Egypt as the canals could be fed from the head with fresh water and at the tail with drainage water. The objective of this study is to convey the available drainage water to be reused and compensate the shortage of water supply from the Nile Canal approaches for reusing drainage water and a new scheme of water supply management were processed to get advantage of available drainage water.

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