1. State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China
2. School of Geospatial Engineering and Science, Sun Yat-sen University, Zhuhai 519000, China
3. Key Laboratory of Comprehensive Observation of Polar Environment (Sun Yat-sen University), Ministry of Education, Zhuhai 519082, China
4. Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China