本文根据黄河主要干支流冲积河段实测高含沙洪水的输沙资料，从黄河下游河道比降、河宽、流速沿程调整、洪水非恒定性等方面分析研究了冲积河道输沙特性与河床冲淤特性。
The variations of slope and width, adjustments of flow velocity along the river course as well as the variability of flood in the Yellow River are analyzed based on the observation data.
本文根据黄河主要干支流冲积河段实测高含沙洪水的输沙资料，从黄河下游河道比降、河宽、流速沿程调整、洪水非恒定性等方面分析研究了冲积河道输沙特性与河床冲淤特性。
The variations of slope and width, adjustments of flow velocity along the river course as well as the variability of flood in the Yellow River are analyzed based on the observation data.
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