1. MOE, Key Laboratory of Environmental Change and Natural Disaster; Beijing Normal University; Beijing 100875 China
2. MOE, Engineering Research Center of Desertification and Blown-sand Control; Beijing Normal University; Beijing 100875 China
3. State Key Joint Laboratory of Environmental Simulation and Pollution Control; School of Environment; Beijing Normal University; Beijing 100875 China
4. State Key Laboratory of Earth Surface Processes and Resource Ecology; Beijing Normal University; Beijing 100875 China