Stability analysis on recent waterway condition in Xinzhou goose-neck braided reach at middle Yangtze River
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    Abstract:

    The evolution of sand bars and shoals in goose-neck braided reach results in unstable waterway condition. Based on the field topographic data, we analyze the recent scouring-silting adjustment in the Xinzhou goose-neck braided channel. The results revealed that the implementation of the channel regulation works stabilizes the channel boundary condition; The goose-neck reach maintains the plane pattern that Xinzhou and Ya,erzhou river islands partition the river into three branches; The sand bars and shoals are basically stable, and obvious adjustment of the status of the branches will not occur in the future. However, since the decrease of the sediment transportation from upstream caused by the impoundment of the Three Gorges project, the deformation of the head of Xinzhou and Ya’erzhou river island, together with the river boundary will proceed, which requires more analysis and implementing appropriate measures timely.

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陈 立,陶 铭,平妍容,郝婕妤.长江中游新洲鹅头分汊河段近期航道条件稳定性分析*[J].水运工程,2013,(12):121-125

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  • Online: December 17,2013
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