1. College of Ocean and Earth Sciences, Xiamen University, Xiamen 361005, China
2. National and Local Joint Engineering Research Center for Navigation and Location Service Technology, Xiamen University, Xiamen 361005, China
3. Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
4. State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen 361005, China