Based on the measured data of Lianghekou hydropower station, Yajiang hydrological station, Jiju hydrological station and Yangfanggou hydropower station in Yalong river basin during the flood seasons in 2021 and 2022, the corresponding water level/flow method is used to analyze the flood propagation time from Lianghekou hydropower station to Yangfanggou hydropower station under different conditions, providing a basis for flood regulation decision for Yangfanggou hydropower station.

Lianghekou hydropower station, Yangfanggou hydropower station, flood propagation time, influence factor

基于雅砻江流域2021—2022年两河口水电站、雅江水文站、吉居水文站和杨房沟水电站的汛期实测资料，通过相应水位（流量）法，分析不同因素下两河口水电站至杨房沟水电站的洪水传播时间，为杨房沟水电站洪水调度决策提供依据。

两河口水电站, 杨房沟水电站, 洪水传播时间, 影响因素