1. State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute Chinese Academy of Sciences Beijing China
2. College of Resources and Environment University of Chinese Academy of Sciences Beijing China
3. Department of Natural Resources, Faculty of African Postgraduate Studies Cairo University Giza Egypt
4. School of Environment, State Key Joint Laboratory of Environmental Simulation and Pollution Control Beijing Normal University Beijing China
5. Yellow River Estuary Wetland Ecosystem Observation and Research Station Ministry of Education Shan‐dong China