黄河口北汊河预测试验——不同流量级洪水前后水位变幅值（2015年以后未来第40年）

黄河口实体模型北汊河运用预测试验中的水位变化测量结果。在黄河口实体模型上，进行改走北汊预测试验，试验河道初始地形采用设计开挖地形，水沙过程采用采用3.0亿吨方案。最大洪峰流量为7689m3/s，最大含沙量为52.97kg/m3。水位采用测针测量，测量结果准确可靠。Measurement results of water level changes during the pre-operation test of the north branch of the Yellow River Estuary physical model. In this test, flow was diverted to the north branch on the physical model. The initial topography of the experimental channel was set as the designed excavation terrain, and the water-sediment process adopted the scheme with a total sediment load of 300 million tons. The maximum flood peak discharge reached 7689 m³/s, while the maximum sediment concentration was 52.97 kg/m³. Water level was measured using a gage pin, and the measurement results are accurate and reliable.