暴雨产流计算(推理公式河南省)VIP专享

流域面积F河道长度L河道比降J暴雨频率Pkm2km%θm71.220.30.0098132.662.335QPm取值洪峰流量 n取值SP取值tc取值m³/sQPm(m³/s)mm/hh#NAME?全面汇流#NAME? #NAME? #NAME? #NAME?#NAME?部分汇流#NAME? #NAME? #NAME? #NAME?点雨量均值变差系数偏差系数模比系数点面系数Ht(mm)CvCs/CvKPα t10′180.353.52.11#NAME?1h400.433.52.43#NAME?6h660.443.52.48#NAME?24h1100.553.52.96#NAME?SP产流历时tcmm/hhβ 0.1-1#NAME? n0.1-1#NAME? #NAME? #NAME?n12#NAME? #NAME? #NAME?β 1-6#NAME? n1-6#NAME? #NAME? #NAME?β 6-24#NAME? n6-24#NAME? #NAME? #NAME?范围取值公式计算值Ⅰ2～32.5m=0.311θ 0.4061.28Ⅱ3～54m=0.428θ 0.4301.92Ⅲ4～65m=0.565θ 0.4072.33Ⅳ3～54m=0.409θ 0.4061.68Ⅴ5～86.5m=0.508θ 0.4052.08Ⅵ5～86.5m=0.508θ 0.4052.08分区t(h)501002410.95610.94110.93汇流参数推理公式法求暴雨径流洪峰流量（河南省水文手册）（二分法计算τ ）时段m水文分区μ 值(mm)河南省汇流参数μ 值、m值暴雨强度衰减指数汇流型式山丘区暴雨时面深tㅡFㅡα t关系成果表淮干、淮南Ⅰ流域2410.94610.92110.92410.88610.86110.842410.92610.91110.89降雨历时t(h)P(mm)△P(mm)0000001#NAME?#NAME? #NAME? #NAME? #NAME?2#NAME?#NAME? #NAME? #NAME? #NAME?3#NAME?#NAME? #NAME? #NAME? #NAME?4#NAME?#NAME? #NAME? #NAME? #NAME?5#NAME?#NAME? #NAME? #NAME? #NAME?6#NAME?#NAME? #NAME? #NAME? #NAME?7#NAME?#NAME? #NAME? #NAME? #NAME?8#NAME?#NAME? #NAME? #NAME? #NAME?9#NAME?#NAME? #NAME? #NAME? #NAME?10#NAME?#NAME? #NAME? #NAME? #NAME?11#NAME?#NAME? #NAME? #NAME? #NAME?12#NAME?#NAME? #NAME? #NAME? #NAME?13#NAME?#NAME? #NAME? #NAME? #NAME?14#NAME?#NAME? #NAME? #NAME? #NAME?15#NAME?#NAME? #NAME? #NAME? #NAME?16#NAME?#NAME? #NAME? #NAME? #NAME?17#NAME?#NAME? #NAME? #NAME? #NAME?18#NAME?#NAME? #NAME? #NAME? #NAME?19#NAME?#NAME? #NAME? #NAME? #NAME?20#NAME?#NAME? #NAME? #NAME? #NAME?21#NAME?#NAME? #NAME? #NAME? #NAME?22#NAME?#NAME? #NAME? #NAME? #NAME?Ⅴ、Ⅵ豫北、豫北淮北、沙颍、洪汝、丹江、唐白河、伊洛河上游部分Ⅱ、Ⅲ、Ⅳ序号地面洪水过程线计算表(P=1%)△P排序可能最大暴雨(全省)地面洪水...