[1
]State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute,
Chinese Academy of Sciences, and University of Chinese Academy of Sciences, Beijing,
China
[2
]National Space Science Center, Chinese Academy of Sciences, Beijing, China
[3
]State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, National
Cooperative Innovation Center for Water Safety and Hydro-science, College of Hydrology
and Water Resources, Hohai University, Nanjing, China
[4
]National Geomatics Center of China, Beijing, China
[5
]Kunming University of Science and Technology, Kunming, China