灌溉施肥地表水流与溶质运移模拟研究进展  

Review on Simulation Study of Surface Flow and Solute Transport for Basin Fertigation

作　　者：章少辉[1,2] 许迪[1,2] 李益农[1,2] 魏志斌 

机构地区：[1]国家节水灌溉北京工程技术研究中心,北京100048 [2]中国水利水电科学研究院水利研究所,北京100048 [3]冶河灌区管理处,石家庄050200

出　　处：《灌溉排水学报》2011年第3期124-128,共5页Journal of Irrigation and Drainage

基　　金：国家863计划重点项目课题(2006AA100210);国家自然科学基金项目(50909100);中国水利水电科学研究院科研专项(节集1038)项目

摘　　要：采用数值模型能够方便快速地探讨不同灌溉施肥条件下的水肥利用效率,为改善灌溉施肥系统性能、减轻不当灌溉施肥方式对生态环境造成的负面影响提供科学依据。从灌溉施肥地表水流运动模拟、灌溉施肥地表水流溶质运移模拟、灌溉施肥地表水流与溶质运移耦合模拟等方面出发,系统总结了不同时空尺度下灌溉施肥地表水流与溶质运移模拟模型的类型及其相应的数值解法特点,介绍了田间尺度下灌溉施肥地表水流与溶质运移耦合模型的机理及数值解法的特点,在此基础上,提出主要研究方向及其内容。Numerical modeling can easily and quickly discuss water and fertilizer usage efficiency under different basin fertigation conditions,can provide a scientific evidence for increase irrigation fertigation system performance,and decrease negative impact on the ecology and environment from inappropriate surface irrigation fertigation manner.In this paper,the model types of surface irrigation water flow and solute transport simulation under different spatial and temporal scales were systematically summarized,as well as corresponding numerical methods.Then,the characteristics of surface irrigation water flow and solute transport coupled models under field scale were introduced,as well as corresponding numerical methods.Based on the contents above,major research directions and their contents were provided.

关 键 词：灌溉施肥 水流运动 溶质运移 模拟 耦合 

分 类 号：S271[农业科学—农业水土工程]