南水北调与水利科技2016，Vol.14Issue(6)：6-11,6.DOI:10.13476/j.cnki.nsbdqk.2016.06.002
不同坡度和前期土壤含水率条件下裸地降雨产流试验研究
Rainfall runoff test on bare soil with different slope gradient and soil moisture content
摘要
Abstract
Antecedent soil moisture content and slope gradient are significant influential factors for rainfall‐runoff (RR) process . In order to study the RR mechanism of semi‐arid region in the North China ,artificial RR simulation test was carried out in the condition of different slope gradient and antecedent soil moisture content .According to the results :(1) In the whole RR process ,the overland flow increased with the increase of antecedent soil moisture and slope ,and the relationship between cumu‐lative runoff and rainfall duration complied with a linear function .(2) Soil infiltration rate and runoff lag time decreased with the increase of antecedent soil moisture content and slope ,and the influence of antecedent soil moisture on soil infiltration rate and runoff lag time was more obvious than that of slope .(3)Horton model was better than Kostiakov and Philip model in fitting the relationship between rainfall and infiltration .关键词
前期土壤含水率/坡度/降雨产流/土壤入渗率/裸地Key words
antecedent soil moisture content/slope gradient/rainfall-runoff/soil infiltration rate/bare soil分类
地球科学引用本文复制引用
穆文彬,李义豪,李传哲,刘佳,程双虎,赵娜娜..不同坡度和前期土壤含水率条件下裸地降雨产流试验研究[J].南水北调与水利科技,2016,14(6):6-11,6.基金项目
水利部绩效评估试点项目“变化环境下平原区降水产流演变机理研究”（1232）；国家自然科学基金项目（51209225；51409270）；国家国际科技合作专项（2013DFG70990） Fund Performance Evaluation pilot projects of Ministry of Water Resources “Study of Rainfall-Runoff Evolution Mechanism of Plain Area in Changing Environment”（1232）；National Natural Science Foundation of China （51209225；51409270）；National and International Sci-entific and Technological Cooperation Special （）
