This paper was proposed to study the use of rainwater resources to solve the problem of water shortage in arid areas,and to propose the use of river channel concealed storage to collect rainwater,and to find out the working conditions,so as to provide a reference for the design of this kind of project.Visual Modflow software was applied to simulate and study the effects of different regulation schemes and detention and infiltration schemes on rainwater resources collection by river channel dark storage in the second downstream oxbows river basin within the Kazuo area of Liaoxi.The rainwater resource utilization rate can be increased to 20.3%when the existing check dam is replaced by an adjustable suspension check dam by comparing different storage schemes;the rainwater resource infiltration amount of the"unclean riverbed+pit pond+check weir"scheme is more than 100 times of that of the natural condition by comparing different storage and infiltration schemes.The infiltration volume of rainwater resources is more than 100 times that of rainwater resources under natural conditions.The best combination of storage and infiltration and storage in the river channel dark storage rainwater resource project is the use of adjustable suspension interception dams in the case of"unclear riverbed+pit ponds+interception weir",which can significantly improve the utilization rate of rainwater resources.
关键词
雨洪资源/多情景模拟/河槽暗蓄/调蓄方案/拦蓄入渗方案
Key words
resource utilization of storm water/multi-scenario simulation/underground water storage space of river channel/regulation and storage schemes/retention and infiltration schemes
维普
万方数据