| 不同矿化度对层状土入渗规律的影响研究 |
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| 引用本文： | 仲轩野,朱成立,柳智鹏,王洁,谢修会.不同矿化度对层状土入渗规律的影响研究[J].节水灌溉,2019(5):63-66. |
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| 作者姓名： | 仲轩野 朱成立 柳智鹏 王洁 谢修会 |
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| 作者单位： | 河海大学农业工程学院;南方地区高效灌排与农业水土环境教育部重点实验室;江苏省农村水利科技发展中心;连云港市赣榆区国土资源局 |
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| 基金项目： | 国家重点研发计划项目(2016YFC0400208、2017YFC0403303) |
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| 摘 要： | 为研究不同矿化度水分对沙壤土中壤土夹层入渗规律的影响,设置4种矿化度处理,分别为0,1,3,5g/L,进行室内土柱垂直一维积水入渗试验。结果表明:壤土夹层对不同矿化度水分均有阻渗作用;各处理累积入渗量在湿润锋到达夹层界面前随时间呈非线性变化,通过夹层后随时间呈线性变化,各处理稳渗率大小关系为V(3g/L)>V(5g/L)>V(1g/L)+>V(0g/L);矿化度为0~3g/L时,累积入渗量、入渗后土壤含水率均随矿化度提高而增大;入渗结束后,各处理夹层界面上层土壤脱盐,夹层界面下层土壤积盐。
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| 关 键 词： | 壤土夹层 不同矿化度 入渗规律 湿润锋 |
A Study on the Influence of Different Salinity on the Infiltration Law of Layered Soil |
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| ZHONG Xuan-ye,ZHU Cheng-li,LIU Zhi-peng,WANG Jie,XIE Xiu-hui.A Study on the Influence of Different Salinity on the Infiltration Law of Layered Soil[J].Water Saving Irrigation,2019(5):63-66. |
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| Authors: | ZHONG Xuan-ye ZHU Cheng-li LIU Zhi-peng WANG Jie XIE Xiu-hui |
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| Institution: | (College of Agricultural Engineering,Hohai University,Nanjing 210098,China;Key Laboratory of EfficientIrrigation-drainage and Agricultural Soil-water Environment in Southern China,Ministry of Education,Nanjing 210098,China;Development Center for Science and Technology of Rural Water Resources of Jiangsu Province,Nanjing 210029,China;Ganyu Bureau of Land and Resources,Lianyungang 222100,Jiangsu Province,China) |
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| Abstract: | ZHONG Xuan-ye;ZHU Cheng-li;LIU Zhi-peng;WANG Jie;XIE Xiu-hui(College of Agricultural Engineering,Hohai University,Nanjing 210098,China;Key Laboratory of EfficientIrrigation-drainage and Agricultural Soil-water Environment in Southern China,Ministry of Education,Nanjing 210098,China;Development Center for Science and Technology of Rural Water Resources of Jiangsu Province,Nanjing 210029,China;Ganyu Bureau of Land and Resources,Lianyungang 222100,Jiangsu Province,China) |
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| Keywords: | loam interlayer different salinity infiltration law wetting front |
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