1. Hohai University, Nanjing, China
2. Xinjiang University, Urumqi, China
3. Xinjiang Institute of Technology, Aksu, China
4. GeoInformatic Unit, Geography Section, School of Humanities, Universiti Sains Malaysia, Penang, Malaysia
5. Department of Earth Sciences, University of Memphis, Memphis, TN, USA
6. College of Geography and Remote Sensing Sciences, Xinjiang University, Urumqi, China
7. College of Water Science, Beijing Normal University, Beijing, China