Funding for this research was provided by:
National Key Research and Development Program of China (2016YFB0200800)
National Natural Science Foundation of China (61602477)
Postdoctoral Research Foundation of China (2016M601158)
Fundamental Research Funds for the Central Universities (2652017113)
Open Research Project of the Hubei Key Laboratory of Intelligent Geo-Information Processing (KLIGIP-2017A04)
Article History
Accepted: 11 October 2020
First Online: 23 October 2020