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利用Q型聚类分析中的夹角余弦法,以相似矩阵为主要依据,对1984年夏季东海82个大面温盐测站,进行了水团的聚合归类。仅表层就二级分割为5个水团:黑潮表层水,台湾暖水表层水,大陆沿岸水,东海陆架变性水和黄海表层混合水。表层之下的水团类型与其上类似。该结果与T-S图解和地转流法获得的结果吻合良好,表明本文引用的方法是可行的。
By using the included angle cosine method in Q-type cluster analysis and the similarity matrix as the main basis, the water masses were aggregated in 82 large temperature and salt stations in the East China Sea in the summer of 1984. Only the surface layer was divided into two water masses: the Kuroshio surface water, the warm surface water in Taiwan, the coastal water in the mainland, the degeneration water in the East China Sea shelf, and the mixed surface water in the Yellow Sea. The type of water mass beneath the surface is similar to that above it. This result is in good agreement with the results obtained by the T-S plot and the geotransformation method, indicating that the method cited here is feasible.