1. State Key Laboratory of Earth Surface Processes and Resource Ecology and College of Global Change and Earth System Science; Beijing Normal University; Beijing China
2. Division of Geology and Planetary Science; California Institute of Technology; Pasadena CA USA
3. Jet Propulsion Laboratory; California Institute of Technology; Pasadena CA USA
4. Faculty of Environmental and Symbiotic Sciences; Prefectural University of Kumamoto; Kumamoto Japan
5. Hebei Sailhero Environmental Protection Hi-tech., Ltd; Shijiazhuang China
6. Department of Earth System Science; Tsinghua University; Beijing China