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通过对南海南部海域1989~1999年6次海洋观测所得CTD资料的分析, 发现在南海南部海域存在具有季节变化的障碍层. 它在秋季非常显著, 夏冬季较弱. 障碍层厚度越厚, 对应区域的上混合层平均水温越高, 反之亦然; 厚障碍层区与高上混合层平均水温区相吻合, 且其位置与南海较厚暖水区一致. 这表明, 南海南部海域障碍层对上层海洋热量储存具有重要影响.
Based on the CTD data obtained from 6 ocean observations in the southern South China Sea from 1989 to 1999, it is found that there is a seasonal change barrier layer in the southern South China Sea, which is very significant in autumn and weak in summer and winter. The thicker the barrier layer, The average water temperature of the upper mixed layer in the area is higher and vice versa.The thickness of the barrier layer coincides with that of the upper mixed layer and its location is consistent with the thick warm water area in the South China Sea.This indicates that the barrier layer in the southern South China Sea Upper ocean heat storage has a significant impact.