1. School
of Resource and Environmental Science and Key Laboratory of Geographic
Information System of the Ministry of Education, Wuhan University, 430079 Wuhan, China
2. Key
Laboratory for Geo-Environment Monitoring of Coastal Zone of the National
Administration of Surveying, Mapping and GeoInformation and Shenzhen
Key Laboratory of Spatial Smart Sensing and Services and College of
Life Sciences, Shenzhen University, 518060 Shenzhen, China