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黄河下游河道的冲淤与来水来沙过程、纵比降及河道的断面形态有密切关系。这几年黄河的来水来沙情况大体上相似，经过调水调沙对河道的冲刷，使河道断面的宽度、深度有所增加，小浪底水库下泄流量与伊洛河、沁河洪峰相对接，组成花园口洪水最大流量接近4000立方米每秒，对黄河下游造床起到了很好的作用。笔者借阅多个大断面的资料，经过比较分析，对黄河下游河道的整治提出一点儿看法。

 

一、关于黄河下游游荡型河道整治的意见

 

1.马庄至马渡（下延）段治理

 

多数人认为，该段河道的河湾比较平顺稳定，曲率半径比较适