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在流星分析和ｔ－Ｓ点聚分析的基础上，在台湾东北部ＩＳ断面和东海中部ＰＮ断面上选取适当的纵剖面作为分界面，将以面分成东、西两侧，计算了界面两侧的海水交换星。结果表明：１．东海陆架区海水交换可归纳为两种类型，即“穿插型”和“进退型”。２．参与分界面处海水交换总量的年平均是夏季最大，春、秋季次之，冬季最小。黑潮水向陆架区输运量为０．５８×１０６ｍ３／ｓ，陆架水向黑潮刚输运量为０．８４×１０６ｍ３／ｓ；参与交换的总量为１．４２×１０６ｍ３／ｓ．３．相对输运量计算结果表明；黑潮水对陆架区水文状况的影响是冬季最强，秋、春季次之，夏季最弱，而陆架水对黑潮区水文状况的影响是夏季最大，秋季次之，春季和冬季最小。
On the basis of meteor analysis and t-S point polygon analysis, an appropriate longitudinal section is selected as the interface between the IS section in the northeast of Taiwan and the PN section in the middle East China Sea. The two sides of the interface Seawater exchange star. The result shows: 1. The exchange of seawater in the East China Sea shelf area can be divided into two types, namely “interspersed” and “advance and retreat”. 2. The annual average of seawater exchange at the participating interface is the largest in summer, followed by spring and autumn, and the smallest in winter. The Kuroshio transports to the shelf area is 0.58 × 106m3 / s, and the shelf water transports to the Kuroshio just 0.84 × 106m3 / s. The total amount involved in exchange is 1.42 × 106m3 / s. 3. The results of relative transport volume indicate that the influence of Kuroshio on the hydrological status of the shelf area is the strongest in winter, followed by the autumn and spring, and the weakest in summer, while the impact of shelf water on the hydrological conditions in Kuroshio is the largest in summer and autumn , The smallest in spring and winter.