摘要：

关键词：非线性系数 中国南海 内孤立波 潮流 孤子波 

单位：College of Physical and Environmental Oceanography Ocean University of China Qingdao 266100 P. R. China Beijing Branch of CNOOC Energy Technology and Services Limited Beijing 100027 P. R. China Ocean Sciences Branch NASA Goddard Space Flight Center Greenbelt Maryland MD20771 USA State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics Institute of Atmospheric Physics Chinese Academy of Sciences Beijing 100029 P. R. China