土地整理中的水资源供需分析与低压管道灌溉设计

土地整理在一定程度上改变了天然的水循环过程和水量、水质状况,而水资源平衡分析是进行土地整理的前提和基础。以河北省南和县闫里乡基本农田土地整理项目为例,分析了项目区的需水量、供水量及水量平衡,详细介绍了低压管道灌溉系统的规划设计方法以及相关水力计算。结果表明,采用合理的灌溉规划设计可以改善区域用水状况和农业水环境,优化区域灌溉系统。

Water Resources Supply and Demand Analysis and Low-pressure Pipe Irrigation Design in Land Consolidation

The nalural water cycle process and water qualily conditions could he changed to some extent by land consolidation. Water balance analysis is the basis for land consolidation. The land consolidation project in Yanli town of Nanhe county in Hebei province was taken as an example in this article, water requirement, water supply and water balance were analyzed, and low-pressure pipeline irrigation system planning and designing methods and associated hydraulic calculation were introduced in detail. The results showed that the water situation in the region and agricultural water environment could he improved, and the irrigation system could he optimized with the rational planning.