1. School of Environmental and Geographical Sciences and Wetlands Ecosystem Observation and Research Field Station, Shanghai Normal Univ., No. 100, Guilin Rd., Shanghai 200234, China.
2. Master's Degree Candidate, School of Environmental and Geographical Sciences and Wetlands Ecosystem Observation and Research Field Station, Shanghai Normal Univ., No. 100, Guilin Rd., Shanghai 200234, China.
3. Master's Degree Candidate, School of Remote Sensing and Information Engineering, Wuhan Univ., No. 129, Luoyu Rd., Wuhan 100193, China; Laboratory for Earth Surface Processes, Ministry of Education, College of Urban and Environmental Sciences, Peking Univ., No. 5, Yiheyuan Rd., Beijing 100871, China (corresponding author).
4. School of Remote Sensing and Information Engineering, Wuhan Univ., No. 129, Luoyu Rd., Wuhan 100193, China.