1. School of Geography and Environment, Jiangxi Normal University, Nanchang 330022, China
2. Institute of Space and Earth Information Science, The Chinese University of Hong Kong, Shatin, Hong Kong, China
3. Department of Geography, The University of Hong Kong, Hong Kong, China
4. Cooperative Institute for Marine and Atmospheric Research, School of Ocean and Earth Science and Technology, University of Hawaiʻi at Mānoa, Honolulu, HI 96822, USA
5. Department of Oceanography, University of Hawaiʻi at Mānoa, Honolulu, HI 96822, USA