1. Associate Professor, Dept. of Water Resources Eng., Faculty of Civil Eng., Univ. of Tabriz, Tabriz, Iran; and Visiting Associate Professor, St. Anthony Falls Lab., Dept. of Civil Eng., Univ. of Minnesota, Minneapolis, MN (corresponding author)., ,
2. Ph.D. Student, Faculty of Civil Eng., Univ. of Tabriz, Tabriz, Iran; and Lecturer, Univ. of Ayatollah Boruojerdi, Boruojerd, Iran.
3. Associate Professor, Faculty of Civil Eng., Univ. of Tabriz, Tabriz, Iran.