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以分别代表两个不同季风期考察航次的CTD资料为基础,通过综合分析海水的重力势、温度和盐度等分布,系统地描述了南海南部海区的水平环流结构,提出能概述该海区中、大尺度环流水平结构的上、下二层模式,综合归纳出上层主要流系的分布格局及各自的特征,指出南海南部海区的上层环流主要受季风驱动。此外,还发现并阐述了该海区的两个重要的局部现象——局地涡旋和海洋锋。
Based on the CTD data representing the voyage in two different monsoon periods respectively, the horizontal circulation structure in the southern South China Sea is systematically described by comprehensively analyzing the distribution of gravity, temperature and salinity of the seawater, The upper and lower two-layer models of the large-scale horizontal circulation structure comprehensively sum up the distribution patterns and their respective characteristics of the upper major stream systems. It is pointed out that the upper circulation in the southern South China Sea is mainly driven by the monsoon. In addition, two important local phenomena of the sea area were discovered and elaborated: the local vortex and the ocean front.