磨刀门水道近50年河床演变及其冲淤成因分析
发布时间：2018-11-07 07:29
【摘要】：为弄清磨刀门水道河床演变及其冲淤成因,利用历年实测地形资料,建立DEM模型,进行河床演变分析,结果表明:磨刀门水道主槽不断冲刷,滩地有淤有冲。从上游来水来沙条件、河床边界条件、人类活动等方面进行冲淤成因分析,确定主要影响因素,预测河床演变趋势,为将来河道治理与开发提供科学依据。
[Abstract]:In order to understand the evolution of the river bed and the causes of scour and siltation in the Moriaomen waterway, the DEM model was established based on the topographic data measured over the years, and the analysis of the river bed evolution was carried out. The results showed that the main channel of the river was continuously scoured, and there was silt and scour on the beach. The causes of scouring and silting are analyzed from the aspects of upstream water and sediment conditions, river bed boundary conditions and human activities. The main influencing factors are determined, and the evolution trend of river bed is forecasted, which provides scientific basis for future river regulation and development.
【作者单位】： 浙江贵仁信息科技股份有限公司广州分公司;珠江水利委员会珠江水利科学研究院;
【分类号】：TV147
[Abstract]:In order to understand the evolution of the river bed and the causes of scour and siltation in the Moriaomen waterway, the DEM model was established based on the topographic data measured over the years, and the analysis of the river bed evolution was carried out. The results showed that the main channel of the river was continuously scoured, and there was silt and scour on the beach. The causes of scouring and silting are analyzed from the aspects of upstream water and sediment conditions, river bed boundary conditions and human activities. The main influencing factors are determined, and the evolution trend of river bed is forecasted, which provides scientific basis for future river regulation and development.
【作者单位】： 浙江贵仁信息科技股份有限公司广州分公司;珠江水利委员会珠江水利科学研究院;
【分类号】：TV147
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