SWAT模型在青铜峡灌区水循环的应用研究Ⅱ:模型应用被引量：2

Application of SWAT Model in Water Cycle of Qingtongxia Irrigation Distract-Ⅱ. Model Application

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摘要由于青铜峡灌区退水量大,对退水量的预测较难。在已有前期研究基础上,运用完善后的自然流域水文模型SWAT,设置不同情景模式,分析不同水管理措施对灌区水循环转化的定量影响。研究结果表明:不同灌水量下,实际蒸散量排序为高水灌溉>中水灌溉>低水灌溉,随着灌水量的增加实际蒸散量数值变大;根部区域渗漏的水量排序为高水灌溉>中水灌溉>低水灌溉,随着灌水量的增加根部区域渗漏水量值加大;地表径流对黄河的贡献量排序为高水灌溉>中水灌溉>低水灌溉,随着灌水量的增加贡献量值变大;地下径流对黄河的贡献量无差异,该值与灌水量的相关性不大。这可以为灌区进一步的节水灌溉发展提供科技支撑。 Owing to large quantity of retreating water in Qingtongxia Irrigation Distract,it is difficult to predict the retreating water.Based on the previous research,through applying the improved natural watershed hydrological SWAT model and setting up different scenarios(different water-saving schemes) based on SWAT model,the quantitative effects of water cycle transformation in irrigation district are analyzed.The results under different irrigation treatments show that:the actual evapotranspiration from high to low are ranked as high water irrigation,middle water irrigation,low water irrigation.The actual evapotranspiration increases with the increase of irrigation amount.The water leakage in the root region from high to low are ranked as high water irrigation,middle water irrigation,low water irrigation.The amount of water leakage in the root region increases with the increase of irrigation amount.The contribution of surface runoff to the Yellow River from high to low is ranked as high water irrigation,middle water irrigation,low water irrigation.It becomes larger with the increase of irrigation amount.There is no difference in the contribution of underground runoff to the Yellow River,and the correlation between this value and irrigation amount is not obvious.The study result provides technological support for the further development of water-saving irrigation in irrigation district.

作者苏欣陈震 SU Xin;CHEN Zhen(Key Laboratory of Water-Saving Irrigation Project,Farmland Irrigation Research Institute &Ministry of Agriculture,Xinxiang 453002, Henan Province,China;Yellow River Institute of Hydraulic Research,Xinxiang 453003,Henan Province,China)

机构地区中国农业科学院农田灌溉研究所/农业部节水灌溉工程重点实验室黄河水利科学研究院

出处《节水灌溉》北大核心 2019年第1期18-21,共4页 Water Saving Irrigation

基金农业部节水灌溉工程重点实验室开放课题项目(FIRI2017-24-01)

关键词灌区水循环 SWAT模型 irrigation distract water cycle SWAT Model

分类号 S271 [农业科学—农业水土工程] P343.9 [天文地球—水文科学]

作者简介苏欣(1985-),女,工程师,从事农业水环境研究。E-mail:sonyli2006@126.com;通讯作者:陈震(1985-),男,助理研究员,从事精准灌溉技术研究。E-mail:chenzhen@caas.cn。