特小流域设计洪水汇流参数分析  

Analysis of the Minibasin Design Flood Convergence Parameters

作　　者：吴婉玲[1] 谢华伟[1] 沈宇翔 

机构地区：[1]浙江水利水电专科学校,浙江杭州310018 [2]余杭区水文水资源监测站,浙江余杭311115

出　　处：《华北水利水电学院学报》2010年第5期58-61,共4页North China Institute of Water Conservancy and Hydroelectric Power

基　　金：2009年浙江省水利厅重点科技计划项目(RB0904)

摘　　要：浙江省山塘众多，其中绝大部分小型山塘控制的流域面积都小于5km2．小型山塘的洪水设计中，现行的推理公式法计算精度较低，需要改进．针对特小流域（5km2以下），研究分析特小流域洪水特点、影响洪水的主要参数，并结合实际监测数据，总结了适合下垫面为Ⅲ型的特小流域汇流参数m～θ关系，为浙江省山塘及小流域综合治理提供了依据．There are a lots of little hilly ponds in Zhejiang Province,and their watershed is generally less than 5 km2.The current rational formula needs to be improved due to its lower accuracy for the designed flood calculating of hilly ponds.Therefore,for the minibasin（5 km2）,it is necessary to study the characteristics of minibasin flood and the main parameters affecting the flood.Combined with actual monitoring data,the relationship between the convergence parameter m and θ is summarized for the underlying surface of type Ⅲ,which provides references for the management of Zhejiang＇s hilly ponds and minibasin.

关 键 词：特小流域 暴雨洪水 汇流参数 设计洪水 

分 类 号：TV122.5[水利工程—水文学及水资源]