Although the Beilun Port is at the south bank of the mouth of Hangzhou Bay, its tidal features are different from that in the bag and in other areas off Zhejiang Province.

北仑港虽然位于杭州湾口门南岸，但是本海区潮汐特性与杭州湾及浙江省其他海区明显不同。

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Overall, the program does not result in tidal power variation in waters to the north of Toumen Island unfavourable to the port development.

总体而言，方案没有引起头门岛北侧水域不利于开发建港的潮动力变化。

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For the need of the development of the Qinhuangdao port, based on the observed tidal data of many years at the port, the design water level and the check water level are calculated in this paper.

鉴于秦皇岛港工程开发的需要，本大根据该港多年实测潮汐资料，推算了该港的设计水位和校核水位。

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