Based on the numerical simulation, the tidal dynamic factors of the northern deep channel were studied from aspects of estuarial plane shape, underwater topography, tidal stencils, etc.Both natural factors and human activities related factors have influence on formation of the deep channel.The results can provide certain scientific basis for further protection and development of the northern deep channel in Hangzhou Bay.%基于杭州湾海域大范围潮流数值模拟的结果,从河口平面边界形态、水下地形、外海潮型等方面,探讨了影响杭州湾北岸深槽的潮流动力要素.发现天然要素以及部分与人类活动相关的要素均对深槽的塑造存在影响.研究成果可为杭州湾北岸深槽的保护和开发提供一定的科学依据.
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