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中文摘要：
利用无结构三角形网格建立了长江口和杭州湾平面二维有限元潮流数学模型,在模拟了长江口和杭州湾潮流场的基础上计算了欧拉余流场,通过长江口和杭州湾交汇处南汇嘴海区水平断面的水交换通道和垂直断面的水交换通量等分析手段和途径,对长江口和杭州湾的水体交换的范围进行了定量计算和讨论.
英文摘要：
To study the rang of water exchange between the Yangtze Estuary and the Hangzhou Bay, a two dimensional depth averaged tidal current model in the Yangtze Estuary and the Hangzhou Bay is established and the Euler residual current is calculated with the SMS modeling system. Two typical sections are selected to calculate water flux and water exchange path, one eastward section and one southward section from the Nanhuizui corner, the join point of the Yangtze Estuary and the Hangzhou Bay. The results reveal that the range of water from the Yangtze Estuary to the Hangzhou Bay is in the nearshore area, where the elevation is about above -8 meters, then the water enters the Hangzhou Bay along the north area of the Hangzhou Bay. The range of water from the Yangtze Estuary and the Hangzhou Bay is numerically simulated and discussed.
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