Analysis of Yellow River Flood Characteristics in Zhengzhou

In Zhengzhou, Yellow River floods from different sources have different characteristics; in the course of flood running, interaction effect occurs between the flood and river bed, and sediment exchange also occurs between water flow, river bed, flood plain and main channel; construction of production dyke changes the advancing regular pattern of the flood; travel time and water level of flood are affected by various factors; the flood carrying hyperconcentrated sediment which brings serious threat to flood control projects has its outstanding characteristics; flood forecasting is a deep, detailed and complicated work, and hydrological data of the Yellow River flood should be open to the experts and scholars within and outside the Yellow River basin.