*Jing Wu¹, Yasunori Kurosaki¹, Ganatsetseg Batdelger², Adrian Chappell³, Ishizuka Masahide⁴, Batjargal Buyantogtokh¹ (1. Arid Land Research Center, Tottori University, 2.Information and Research Institute of Meteorology, Hydrology and Environment, Mongolia, 3.School of Earth and Ocean Science, Cardiff University, UK, 4.Faculty of Engineering and Design, Kagawa University)