引水渠道渗漏对银川平原地下水的影响  

The impact of irrigation ditch seepage on the groundwater in Yinchuan plain

作　　者：崔秀凌 李庚阳 

机构地区：[1]湖南省核工业地质局三○一大队,湖南长沙410114

出　　处：《农业科学研究》2012年第4期47-50,共4页Journal of Agricultural Sciences

摘　　要：引水渠道渗漏是银川平原水资源开发利用中亟待解决的问题之一.造成渠道渗漏严重的主要原因是各级引水渠道的衬砌率低,防渗性能差,因此提高引水渠道的防渗性能是解决渗漏问题的关键所在.但由于渠系渗漏补给量几乎占了银川平原地下水补给总量的60%,渠道防渗性能的提高又必然导致其补给地下水量减少,从而对银川平原的地下水流状态产生重大影响.通过不同防渗方案的对比分析,研究引水渠道渗漏对银川平原地下水影响的对策,以实现提高引水渠道的防渗性能.Diversion canal seepage is one of problems that solve urgently of development and utilization of water resources in Yinchuan plain. Lining rate is low of different diversion channel, it is the main reason causing of serious leakage and seepage control performance is poor. So the improvement of the diversion channel anti-seepage performance is the key to solve the seepage problem. However, the canal seepage volume accounted for almost 60~ of Yinchuan plain groundwater recharge. Channel seepage prevention performance lead to its recharge underground water reduction, and leads to have a significant impact on groundwater flow state of Yinchuan plain. In this paper, based on the comparative analysis of different seepage control scheme, research in diversion channel seepage of groundwater effect countermeasure in Yinchuan plain, improve water channel anti-seepage performance, improve irrigation water utilization rate, increase water supply capacity, and alleviate the contradiction that use water, lower the groundwater levels, mitigate and prevent soil salinization.

关 键 词：引水渠系渗漏 防渗性能 对策 

分 类 号：TV211.1[水利工程—水文学及水资源]