Guangdong Ocean Remote Sensing and Information Engineering Technology Research Center Guangdong Ocean University Zhanjiang 524088 ChinaState Key Laboratory of Marine Environmental Science College of Ocean and Earth Sciences Xiamen University Xiamen 361102 China;
Guangdong Ocean Remote Sensing and Information Engineering Technology Research Center Guangdong Ocean University Zhanjiang 524088 ChinaMeteorological Bureau Yan’an 716000 China;
Guangdong Ocean Remote Sensing and Information Engineering Technology Research Center Guangdong Ocean University Zhanjiang 524088 ChinaMarine Resources Big Data Center of South China Sea Southern Marine Science and Engineering Guangdong Laboratory Zhanjiang 524088 China;
School of Cybersecurity Sichuan University Chengdu 610065 China;
cold eddies; sea surface temperature(SST); South China Sea(SCS); typhoon Rammasun; upwelling;