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Recent evolution characteristics of Baimaoxiaosha in Xuliujing section of the Yangtze River
Author(s): 
Pages: 80-85
Year: Issue:  12
Journal: Port & Waterway Engineering

Keyword:  the Yangtze RiverXuliujing sectionXintonghai shoalBaimaoxiaoshalower shoalbed evolutionriver regulation;
Abstract: 从河床冲淤、断面变化等方面,对白茆小沙近年来的演变、变化趋势及其影响进行分析.研究认为,受来水来沙条件变化、涨落潮水流流路分离影响和人为干扰等因素的作用,近年来白茆小沙的演变特征为上沙体滩面高程降低、尾部冲刷上提、下沙体冲失;预计白茆小沙将处于自然变化状态,但其变化将逐渐趋缓.白茆小沙的整治作为规划治理中的一部分,在下沙体的冲失后,已经失去治理的最佳时机.建议加强观测,以便分析其演变对河势及周边涉水工程的影响.
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