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小浪底水库运用后,黄河下游的来水条件发生变化,游荡型河段河势呈现出许多新的特点,部分河段主流流路与规划流路出入较大,河道整治工程送溜能力不足的现象十分明显。在理论探讨直河段河长的基础上,通过对黄河下游多年直河段河长的统计分析,探讨了直河段河长的变化规律,并提出了不同控制几率下直河段河长建议值。
After the Xiaolangdi Reservoir is used, the water supply conditions in the lower reaches of the Yellow River have changed. There are many new features in wandering river regimes. Some mainstream channels and planning channels have greater access to some sections of the river, and river regulation projects can not provide enough capacity Very obvious. Based on the theoretical analysis of the river length of the straight reach, by means of the statistical analysis of the length of the straight reach of the straight reach in the lower reaches of the Yellow River, the change rule of the length of the straight reach is discussed, and the river length recommendation value.