1. Ph.D. Candidate, Dept. of
Irrigation and Reclamation, Faculty of Agricultural Engineering and
Technology, College of Agriculture and Natural Resources, Univ. of Tehran, Karaj, Tehran, Iran (corresponding author).
2. Associate Professor, Dept.
of Irrigation and Reclamation, Faculty of Agricultural Engineering
and Technology, College of Agriculture and Natural Resources, Univ. of Tehran, Karaj, Tehran, Iran.
3. 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.