School of Marine Sciences;
Nanjing University of Information Science and Technology;
Nanjing 210044;
China;
State Key Laboratory of Satellite Ocean Environment Dynamics;
Second Institute of Oceanography;
Ministry of Natural Resources;
Hangzhou 310012;
China;
Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai);
Zhuhai 519080;
China;
College of Ocean Science and Engineering;
Shandong University of Science and Technology;
Qingdao 266590;
China;
Marine Science and Technology College;
Zhejiang Ocean University;
Zhoushan 316022;
China;
College of Hydraulic Science and Engineering;
Yangzhou University;
Yangzhou 225009;
China;
eddy diffusivity; transient mesoscale eddy; coherent mesoscale eddy; eddy penetration depth; Southern Ocean;