1. State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
2. University of Chinese Academy of Sciences, Beijing, China
3. College of Earth and Planetary Sciences, Chengdu University of Technology, Chengdu, China
4. College of Geophysics, Chengdu University of Technology, Chengdu, China
5. School of Earth and Space Sciences, Peking University, Beijing, China