黄家港站受王甫洲回水顶托影响分析

应用实测资料分析了黄家港受王甫洲水库回水顶托影响，在流量为500、1000、1600m3/s时，抬高黄家港站水位分别为0.71m、0.55m、0.37m、减小黄家港至老河口河段的落差分别为4.63m、5.06m、5.56m；黄家港站的流量测验功能基本丧失，本应迁离重建，但无处可迁，只好在原地以增加2~3倍的工作量为代价推求出精度受影响的流量过程。

Analysis of Influence of Wangpuzhou Backwater on Huangj iagang Station

It is analysed how Huangjiagang station is affected by the backwater of Wangpuzhou reservoir by using measured data.When discharge is 500,1 000,1 600m2/s,the water level at Huangjiagang is raised by 0.71m,0.55m,0.37m respectively,the fall from Huangjiagang to Lao-hekou is reduced by 4.63m, 5.06m, 5.56m and the discharge measurement function at Huangjiagang is lost.It should have been moved and reconstructed.But it can be moved no-where.So we have no choice but to increase twice or three times of workload to obtain the dis-charge process whose accuracy is affected.