1. Lecturer, Dams and Water Resources Research Center, University of Mosul, Mosul, Iraq. Formerly, Graduate Student, Department of Civil and Environmental Engineering, University of South Carolina, Columbia, SC, USA
2. Assistant Professor, Irrigation and Hydraulics Department, Ain Shams University, Cario, Egypt
3. Professor, Department of Civil and Environmental Engineering, University of South Carolina, 300 Main St. Columbia, SC 29208, USA