1. Assistant Professor, Dept. of Irrigation and Hydraulics Engineering, Faculty of Engineering, Tanta Univ., Tanta 31527, Egypt (corresponding author).
2. Chair, Dept. of Civil Engineering and Applied Mechanics; Director, Brace Centre for Water Resources Management, 817 Sherbrooke St. West, Macdonald Engineering Bldg., Room 492, Montreal, QC, Canada H3A 0C3; Professor, Endowed Brace Chair in Civil Engineering, Dept. of Civil Engineering and Applied Mechanics, McGill Univ., 817 Sherbrooke St. West, Macdonald Engineering Bldg., Room 492, Montreal, QC, Canada H3A 0C3.