[1
]Associate Professor, Dept. of Irrigation and Reclamation Engineering, Faculty of Agricultural
Engineering and Technology, College of Agriculture and Natural Resources, Univ. of
Tehran, Karaj, 31587-77871 Tehran, Iran (corresponding author).
[2
]Ph.D. Student, Dept. of Irrigation and Reclamation Engineering, Faculty of Agricultural
Engineering and Technology, College of Agriculture and Natural Resources, Univ. of
Tehran, Karaj, 31587-77871 Tehran, Iran.
[3
]Ph.D. Candidate, Dept. of Irrigation and Reclamation Engineering, Faculty of Agricultural
Engineering and Technology, College of Agriculture and Natural Resources, Univ. of
Tehran, Karaj, 31587-77871 Tehran, Iran.
[4
]Professor, Dept. of Geography, Univ. of California, Santa Barbara, CA 93106.