| 明沟排水条件下盐碱地改良优化配水模式 |
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| 引用本文： | 谭丹,谭芳.明沟排水条件下盐碱地改良优化配水模式[J].灌溉排水学报,2009,28(1). |
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| 作者姓名： | 谭丹 谭芳 |
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| 作者单位： | 武汉大学,水资源与水电工程科学国家重点实验室,武汉,430072
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| 基金项目： | 武汉大学国家大学生创新性实验项目 |
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| 摘 要： | 分析了盐碱地改良传统冲洗模式的弊端,对土壤水的盐分运动进行了活塞流简化。取对称半田面,建立了基于淡化时间的分区灌水数学模型,通过室内试验对冲洗条件下的土壤水盐运动进行了模拟分析,最后利用试验数据求解分区灌水模型得到了盐碱地改良优化配水方案。结果表明,较之传统模式,分区灌水模式下水资源用量明显减少,二分区和三分区模式比较合理,并分别确定了这二种方案最佳的分区位置。
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| 关 键 词： | 盐碱地改良 淡化时间 分区冲洗 明沟排水 优化配水模式 |
Optimization Model of Water Supply for Saline Land Improvement under Ditch Drainage |
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| TAN Dan,TAN Fang.Optimization Model of Water Supply for Saline Land Improvement under Ditch Drainage[J].Journal of Irrigation and Drainage,2009,28(1). |
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| Authors: | TAN Dan TAN Fang |
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| Institution: | State Key Laboratory of Water Resources and Hydropower Engineering Science;Wuhan University;Wuhan 430072;China |
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| Abstract: | The shortage of traditional water supply model for saline land improvement is analyzed,the solute transport in soil water is simplified as plug flow,and the mathematical model of dividing irrigation which based on the desalination time,with only a half of the symmetrical field taken into account,is established in this study.Then the analysis of the movement of water and soil under the condition of salt displacement through indoor experiment is carried out,in order to achieve the optimum water supply scheme ... |
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| Keywords: | saline land improvement desalination time dividing irrigation ditch drainage optimization model of water supply |
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