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二、上海市杭州湾北岸的水动力特征杭州湾面临东海,湾口南侧有舟山群岛屏障,平面喇叭形,湾口北岸南汇明处断面宽约100km,至金山卫处宽约45km,湾顶澉浦处缩窄至21km。上海市杭州湾北岸岸段自南汇咀至金山卫,全长约60km,微向内弯,该岸段为钱塘江河口的滨海段,受海洋动力因素的作用,河流径流的影响甚微。1.潮汐、潮流杭州湾北岸地区潮汐为规则半日潮型。东海潮波进入杭州湾后,因喇叭口向湾里急
Second, the Hangzhou Bay north shore of hydrodynamic characteristics Hangzhou Bay facing the East China Sea, Bayou south of the Zhoushan Islands barrier, flat trumpet, Bayou North Shore of the Nanhui Ming section width of about 100km, to Jinshan Wei Department width 45km, Narrow to 21km. The shoreline of the north bank of Hangzhou Bay in Shanghai is about 60km long from Nanhui Tsui to Jinshanwei, turning slightly inwards. This shore section is the coastal section of the Qiantang River estuary. Influenced by the marine dynamic factors, river runoff has little effect. 1. Tides, tides Hangzhou Bay north shore tidal rules for half a day tide type. After the tide into the East China Sea in Hangzhou Bay, because of the bell to the bay tents