海河流域主要河口闸下通道风暴潮增水研究

发布时间：2018-09-17 16:35

【摘要】：建立东海-黄海-渤海大范围风暴潮二维数学模型,对9216台风风暴潮过程进行模拟,分析渤海湾造陆工程前后风暴潮增水对海河流域主要河口(海河口、永定新河口和独流减河口)闸下区域最高潮位的影响,并探讨有效降低河口闸下通道内风暴潮潮位的开发方式。研究表明:渤海湾围填海工程实施后,闸下通道内维持自然地形时,通道内最高潮位高于工程前;闸下通道实施地形开挖后,通道内最高潮位依然高于工程前,但较自然地形条件下抬高幅值有所减小。闸下通道结合开发建设港池航道等工程实施地形开挖,使得通道内水深增加,可降低通道内风暴潮增水幅度。
[Abstract]:A two-dimensional mathematical model of storm surge in the East China Sea, Huang Hai and Bohai Sea was established. The storm surge process of typhoon 9216 was simulated, and the increase of storm surge water to the main estuary (Haihe estuary) in the Haihe River basin before and after the land building project in Bohai Bay was analyzed. The influence of the maximum tide level in the sub-sluice area of the Yongding New Estuary and the Monofluence Estuary) is discussed, and the development mode of effectively reducing the storm tide level in the channel under the estuarine sluice is discussed. The results show that the maximum tidal level in the channel is higher than that before the project when the natural topography is maintained in the subsluice channel after the implementation of the reclamation project in Bohai Bay, and the highest tide level in the tunnel is still higher than that before the construction after the topographic excavation of the subsluice tunnel. However, the elevation amplitude is smaller than that under natural terrain. In combination with the development of the port pool channel and other projects topographic excavation can increase the depth of water in the tunnel and reduce the increase of storm surge in the channel.
【作者单位】：南京水利科学研究院水文水资源与水利工程科学国家重点实验室;
【基金】：水利部公益性行业科研专项(201301067) 南京水利科学研究院中央级公益性科研院所基本科研业务费专项(Y215018)
【分类号】：P731.23

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