摘要
森林小流域土壤的降雨入渗率大,地表产流量小,壤中流对径流的贡献相对较大,且对径流贡献较大的产流面积主要分布在河道毗邻的区域,目前针对森林小流域的月径流模拟尚不多见。根据上述森林小流域降雨入渗及产流的特点,以东莞市水濂山小流域为研究对象,利用DEM数据推导出小流域月径流的计算公式,建立了森林小流域的月径流模拟模型,取得了良好的效果。
According to the observation results of Zhuhai experimental watershed and other former researches,the infiltration rate in forest watershed is very high,which results in limited surface flow,while interflow usually occupies a considerable proportion.Besides,the surface flow that contributes to runoff usually is generated around streams.At present,monthly runoff models on forest watershed are few.DEM data of a small forest watershed named Shuilianshan in Dongguan City,Guangdong Province are used to deduce the calculation formulas for monthly runoffs.A new monthly runoff model has been established in this paper and this monthly runoff model has achieved good results.
出处
《中国农村水利水电》
北大核心
2010年第10期121-124,共4页
China Rural Water and Hydropower
基金
国家自然科学基金项目(40571027)
广东省自然科学基金项目(9251027501000021)
广东水利科技创新与推广项目(2008年度)
中国气象局气候变化专项子项目"气候变化对华南水资源影响评估"(2009-2010)
关键词
森林小流域
月径流
DEM
华南
forest watershed
monthly runoff
DEM
South China
