Key Laboratory of Poyang Lake Wetland and Watershed Research, Ministry of Education, Jiangxi Normal University, Nanchang 330022, China; xianghou@jxnu.edu.cn (X.H.); ggbond@jxnu.edu.cn (S.Z.); lzj@jxnu.edu.cn (Z.L.); lishun@jxnu.edu.cn (S.L.)2 Key Laboratory of Natural Disaster Monitoring, Early Warning and Assessment of Jiangxi Province, Jiangxi Normal University, Nanchang 330022, China3 School of Geography and Environment, Jiangxi Normal University, Nanchang 330022, China