硬地面产汇流特征模拟实验研究

Simulated Experimental Study on Increasing Runoff and Its Harvesting With Hard Earth Surface

摘要: 土路面、场院以及原土夯实地面是干旱半干旱山区群众汇集雨水的一类集流场。因此，研究其产汇流特性可对该类下垫面汇流参数。该文在室内人工降雨的实验基础上，分析了雨强、坡度、密度等因子对硬地面产流时间、产流初损雨量、汇流过程及汇流量的影响及变化过程，结论对实践具有一定的指导意义。
- 硬地面 /
- 产流时间 /
- 产流初损雨量 /
- 汇流量
Abstract: Hard road surface, courtyard and threshing ground and hard ground tamped by manpower are important surfaces of depressed area to collect rainwater. So, it is necessary to study their characters of runoff yield and harvesting. On basis of artificial rainfall simulation in room, author analyzes the time and the initial lost of precipitation for runoff yield, process and harvesting capacity of rainwater catchment. In addition, some factors to influence them are discussed in paper.
- hard earth surface /
- time of runoff yield /
- the initial lost of precipitation /
- capacity of rainwater catchment