1. Ph.D. Candidate, Faculty of Agricultural Engineering and Technology, Dept. of Irrigation and Reclamation, College of Agriculture and Natural Resources, Univ. of Tehran, Karaj, 3158777871 Tehran, Iran.
2. Associate Professor, Faculty of Agricultural Engineering and Technology, Dept. of Irrigation and Reclamation, College of Agriculture and Natural Resources, Univ. of Tehran, Karaj, 3158777871 Tehran, Iran (corresponding author).
3. Faculty of Agricultural Engineering and Technology, Dept. of Irrigation and Reclamation, College of Agriculture and Natural Resources, Univ. of Tehran, Karaj, 3158777871 Tehran, Iran.
4. Distinguished Professor Emeritus, Dept. of Land, Air and Water Resources, Dept. of Civil and Environmental Engineering, and Dept. of Biological and Agricultural Engineering, Univ. of California, 139 Veihmeyer Hall, Davis, CA 95616-8628.