一种基于径流系数的山洪预报模型构建及应用  

A Flood Forecast Model for Small Watersheds in Mountainous Area Based on Runoff Coefficient

作　　者：侯东儒 张雪丽[1] 邬强 李志超 王琳[2] 张麓瑀 胡彩虹[1] HOU Dong-ru;ZHANG Xue-li;WU Qiang;LI Zhi-chao;WANG Lin;ZHANG Lu-yu;HU Cai-hong(School of Water Conservancy and Science Engineering,Zhengzhou University,Zhengzhou 450000,China;Information Center of Ministry of Water Resources,Beijing 100053,China)

机构地区：[1]郑州大学水利与科学工程学院,河南郑州450000 [2]水利部信息中心,北京100053

出　　处：《水电能源科学》2022年第5期83-86,共4页Water Resources and Power

基　　金：国家重点研发计划(2019YFC1510703);国家自然科学基金项目(51979250);国家自然科学重点基金项目(51739009)。

摘　　要：针对山区小流域资料少、模型实用度较低的问题,根据山洪特点,构建一种基于径流系数的流域产流模型和降雨径流关系法的山洪预报模型,并以四川省汶川县寿溪流域、陕西省靖边县青阳岔流域和子长县子长流域为例进行检验。结果表明,该模型在寿溪流域、青阳岔流域和子长流域的合格率分别为80.00%、78.57%、85.71%,可见该模型简单实用、精度较高、且易于程序化。Aiming at the little data and low practical degree of model in small watershed in mountain area, based on the characteristics of torrential flood, a mountain flood prediction model was established in terms of the correlation between rainfall and runoff and soil water content in the basin. The model was applied to Shouxi watershed in Sichuan Province, Qingyangcha watershed and Zichang watershed in Shaanxi Province, the results show that the qualified rates are 80.00%, 78.57% and 85.71% respectively. Thus, the model is simple, practical, high precision and is easy to be programmed.

关 键 词：山区小流域 降雨径流关系 山洪 适用性 

分 类 号：P338.8[天文地球—水文科学] TV122[水利工程—水文学及水资源]