1. Department of Irrigation & Reclamation Engineering, University of Tehran, Tehran, Iran
2. Department of Natural Resources and Environmental Engineering, College of Agriculture, Shiraz University, Shiraz, Iran
3. Department of Water Engineering, School of Agriculture, Shiraz University, Shiraz, Iran
4. Department of Crop Sciences, University of Göttingen, Göttingen, Germany
5. Department of Geography, Texas State University, San Marcos, Texas, USA