1. Department of Arid and Mountainous Regions Reclamation, Faculty of Natural Resources, University of Tehran, Karaj, Iran
2. Department of Rangeland and Watershed Management, Faculty of Natural Resources, University of Kurdistan, Sanandaj, Iran
3. Departments of Geomorphology, Faculty of Natural Resources, University of Kurdistan, Sanandaj, Iran
4. Department of Civil and Environmental Engineering, FAMU-FSU College of Engineering, Tallahassee, FL, USA
5. Department of Civil Engineering, University of Bristol, Bristol, UK
6. Department of Earth Sciences, Simon Fraser University, Burnaby, BC, Canada