顺江河设计最终设计成果

00山区多年平均降水量mm180.85平原区多年平均降水量mm48.2蒸发量山区多年平均蒸发量mm2050.5平原区多年平均蒸发量mm2450风速多年平均风速m/s1.6最大风速m/s24最大风风向WSW霜冻最早初霜日9月29日(1962)最晚初霜日10月30日(1978)最长霜冻天数204最短霜冻天数107顺江河年水量占呼山河年水量的57.6%,多年平均流量为6.2m3/s,多年平均径流量为1.956×108m3。呼山河洪水以融水型洪水为主,暴雨洪水为辅。春洪不明显,以夏洪为主。洪水受气温影响较大,峰型多为一日一峰,具有明显的日变化规律。顺江河不同频率设计洪水成果表表1.2时间洪水过程典型洪水过程P=0.05%P=1%P=5%月日时m3/s625061.979.264.254.9171.491.474.163.3280.9103.684.071.8390.5115.893.980.24100.0127.9103.888.7593.3119.496.982.7686.7110.989.976.8780.0102.383.070.9873.393.876.165.0963.681.366.056.41053.868.955.947.71144.156.545.839.11234.444.035.730.51331.740.632.928.11429.037.230.125.81526.433.727.423.41623.730.324.621.01723.730.324.621.01823.730.324.621.01923.730.324.621.02023.730.324.621.02143.856.045.438.82263.881.766.356.62383.9107.487.174.4260104.0116.195.482.31121.0124.7103.890.1