宁夏引黄灌区井渠双灌节水效益分析  

Analysis of the water-saving benefit by well-channel irrigation in the Yellow River irrigation district in Ningxia

作　　者：马苏文[1] 李刚军[1] 李怀恩[1] 张涛[1] 

机构地区：[1]西安理工大学西北水资源与环境生态教育部重点实验室,陕西西安710048

出　　处：《水资源与水工程学报》2007年第5期56-60,共5页Journal of Water Resources and Water Engineering

基　　金：教育部高等学校优秀青年教师教学科研奖励计划项目(2001-282);宁夏水利厅灌溉管理局项目

摘　　要：宁夏引黄灌区是重要的粮食生产基地,其农业耗水占据了绝大部分引黄耗水量。本文在以引黄水量为主要灌溉水源、适量采用开采地下水作为补充的基础上,对整个灌区采用地表水与地下水联合灌溉的节水效益进行了定量研究。结果表明,采用井渠双灌现状年引黄灌区十县市可减少渠首引水量1.53×108m3,减少损失水量将达到0.68×108m3。对2010年的预测结果表明,可减少田间引黄灌溉用水量1.95×108m3,减少渠首引黄水量为3.48×108m3,减少输水过程中的损失水量为1.54×108m3,具有显著的节水效益。The Yellow River irrigation districtin Ningxia is one of the most important grain pro- duction bases, water consumption in agricultrue has occupied the most amount of the water di- verted from the Yellow River in Ningxia. Based on the water quantity diverted from Yellow river was the main irrigation water source and groundwater as addition sources, this paper carried out the quantitative research for the water-saving benefit by well-channe irrigation in whole irrigation district. The results shown that using well-channel irrigation in 10 counties in Yellow River irri- gation district can be effectively reduced intake water form Yellow River by 1.53 X 10^8 m^3 as well as decreased water losses about 0.68X10^8 m^3 at the present year. The prediction results to 2010 have shown that the irrigation water use in the field from the Yellow River can be reduced about 1.95 X 10^8 m^3, canal head water about 3.48 X 10^8 m^3 and decreased the water loss in delivery process by 1.54X10^8 m^3, which has remarkable water-saving effects.

关 键 词：农业耗水 地下水 井渠双灌 宁夏引黄灌区 

分 类 号：S273.4[农业科学—农业水土工程]