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汉江丹江口水库蓄水运用后，皇庄至泽口河段有１１个弯道频繁地搬弯切滩，本文对这一河段撇弯切滩的演变特点和产生原因进行了分析研究．认为，蓄水运用型水库不仅会引起下游河道产生垂向冲淤变形，也会产生明显的横向变形，有时会对沿岸地方国计民生产生一些不利影响．
After the Danjiangkou Reservoir in the Hanjiang River was used for water storage, eleven bends from Huangzhuang to Zekou were frequently moved to cut the beach. In this paper, the characteristics of evolution and causes of the shear-edge cutting in the river were analyzed and studied. It is considered that reservoirs with reservoir utilization not only cause vertical erosion and deposition in downstream rivers, but also produce obvious lateral deformation, which may sometimes adversely affect local people’s livelihoods along the coast.