1. Assistant Professor, Civil Engineering Dept., Assiut Univ., Assiut, Egypt; formerly, Postdoctoral Fellow, Hydraulics Research and Testing Facility (HRTF), Dept. of Civil Engineering, Univ. of Manitoba, Winnipeg, Manitoba, Canada, R3T 5V6 (corresponding author).
2. Hydraulics Research and Testing Facility (HRTF), Dept. of Civil Engineering, Univ. of Manitoba, Winnipeg, Manitoba, Canada, R3T 5V6.