Mitigation of flash flood hazard in Wadi Gheweiba, El Ain El Sokhna area, Gulf of Suez, Egypt

Document Type : Original Article

Authors

1 Geology Department ,Faculty of Science, Alexandria University, Egypt.

2 geology department, faculty of science, Alexandria University

3 desert research center

4 hydrology department, desert research center

5 Geology Department, Faculty of Science, Alexandria University, Egypt.

Abstract

The West Gulf of Suez area represents one of the most strategic areas that received considerable attention from the Egyptian Government to become one of the sustainable development national project’s regions. El Ain El Sokhna area was selected in the last 20 years to initiate many of governmental and investment programs. The present work aims to evaluate and manage the surface water resources in Wadi Gheweiba in the northwestern part of the Gulf of Suez in El Ain El Sokhna area. Forty four morphometric parameters were measured and calculated. The degree of flash flood hazard in the study Wadi based on nine of morphometric parameters indicates that Wadi Gheweiba belongs to the highly hazardous degree. During the office work, three rainfall storms data of 2015, 2016, and 2020 from the Egyptian Meteorological Authority for the Suez station were collected, analyzed, and used as input data for the software SAMADA 6.0 to calculate and evaluate the total volume of runoff, peak of discharge, and time to beak for the Wadi. In addition, calculation of the amount of water replenishment for the Quaternary aquifer in the investigated Wadi by applying the f – curve method. Above all, the optimum utilization of harvesting techniques for the surface runoff of rain water has been recommended to avoid the damages of flash flood on the infrastructures in the study Wadi.

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