1. Department of Civil and Environmental Engineering, College of Engineering; Hanyang University; Seoul 133-791 Republic of Korea
2. Water Resources and Remote Sensing Laboratory, Department of Water Resources, Graduate School of Water Resources; Sungkyunkwan University; Suwon 440-746 Republic of Korea
3. (ICARDA); International Center for Agriculture Research in the Dry Areas; 15 Khalid Abu Dalbouh St., Abdoon EShamali, PO Box Amman 950764 Jordan