1. Ph.D. Student of Hydraulic Structures, Dept. of Civil Engineering, Shahrood Univ. of Technology, P.O. Box 3619995161, Shahrood, Iran (corresponding author).
2. Assistant Professor, Dept. of Civil Engineering, Shahrood Univ. of Technology, P.O. Box 3619995161, Shahrood, Iran.
3. Assistant Professor, Dept. of Water Engineering, Gorgan Univ. of Agricultural Sciences and Natural Resources, P.O. Box 386, Gorgan, Golestan, Iran.
4. Assistant Professor, Dept. of Civil Engineering, Mirdamad Institute of Higher Education (MIHE), P.O. Box 4916653989, Gorgan, Iran.