Introduction
Brief Biography: Saeed Khezri received his B. Sc in Physical Geography from University of Tabriz, Iran in 1992 and M. Sc. in Physical Geography (Hydroclimatology) in 1997. He passed Ph.D. in Physical Geography (Geomorphology) from University of Tabriz, Iran in 2006. He has work experiment in different projects in Cave studies especially in Rabat city, West Azerbaijan, Iran. He specializes in Geomorphology, Natural hazards and Karst studies that have been focused in Kurdistan area and Zagros region, Iran. He is currently Associate Prof. in Geomorphology; Department of Geomorphology, Faculty of Natural resources in University of Kurdistan, Sanandaj, Iran. Books press: 1- Geography of Sardasht, 2013, University of Kurdistan press, (In Persian). 2- Hydromorphology of little Zab river, 2011, Aram press, Ranyeh, Iraq, (In Kurdish). 3- Global climate, 2011, Renma press, Solymanyeh, Iraq, (Translate from Persian to Kurdish). 4- Geography of Mokryan Kurdistan, 2010, Sayeh press, Solymanyeh, Iraq, (In Kurdish). 5- Kurdish Language and geographical distribution of its dialects, 2010, Paniz press, Tehran, Iran, (Translate from Kurdish to Persian). 6- Geography of Kurdistan province, 2009, Iran press, Tehran, Iran, Tenth edition, (In Persian). 7- Physical geography of Mokryan Kurdistan, 2008, Naghous press, Tehran, Iran, Second Edition, (In Persian). 8- Preface of general geography, 1999, Alavi press, Tehran, Iran, (Translate from Kurdish to Persian).