| 北京典型地区灌溉条件下包气带水分运移特征研究 |
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| 引用本文： | 刘颖超,邢国章,刘凯,谢振华.北京典型地区灌溉条件下包气带水分运移特征研究[J].城市地质,2015(1). |
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| 作者姓名： | 刘颖超 邢国章 刘凯 谢振华 |
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| 作者单位： | 1. 北京市水文地质工程地质大队,北京,100195;2. 北京市地质工程勘察院,北京,100048 |
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| 摘 要： | 以张家湾包气带水盐运移试验场灌溉试验资料为依据,运用土壤水分能量观点,分析了灌溉条件下包气带水分运移特征。试验结果表明,在一定灌溉量下包气带水分运移具有明显的分带特征以及灌溉水明显运移到达的深度;在一定灌溉量条件下,灌溉后地下水位上升微小,灌溉补给地下水量较小,并通过非饱和水流达西定律计算了向下入渗补给量。
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| 关 键 词： | 包气带 含水量 土水势 水分运移 补给量 |
Research on the Characteristics of Water Movement under Irrigation Condition in Vadose Zone in the Typical Area of Beijing |
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| LIU Yingchao,XING Guozhang,LIU Kai,XIE Zhenhua.Research on the Characteristics of Water Movement under Irrigation Condition in Vadose Zone in the Typical Area of Beijing[J].City Geology,2015(1). |
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| Authors: | LIU Yingchao XING Guozhang LIU Kai XIE Zhenhua |
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| Abstract: | Base on the irrigation experiment of moisture and salt content migration of the vadose zones in-situ in the Zhangjiawan area, the paper analyzes the migration characteristics of moisture movement of unsaturated zones from the view of moisture energy. It shows that moisture migration of vadose zones can be roughly divided into three zones and the process of groundwater recharge under irrigation, the deep of the moisture migration. The ground water level rises very low under the condition of irrigation and the irrigation recharge quantity was very little, which was calculated by unsaturated lfow Darcy's law. |
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| Keywords: | Vadose zone Water content Soil water potential Moisture movement Recharge quantity |
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