| 干旱区膜下滴灌条件下膜孔蒸发特征研究 |
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| 引用本文： | 王春霞,王全九,庄亮,单鱼洋,张明.干旱区膜下滴灌条件下膜孔蒸发特征研究[J].干旱地区农业研究,2011,29(1):14-21. |
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| 作者姓名： | 王春霞 王全九 庄亮 单鱼洋 张明 |
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| 作者单位： | 王春霞,WANG Chun-xia(西安理工大学水资源研究所,陕西,西安,710048);王全九,WANG Quan-jiu(西安理工大学水资源研究所,陕西,西安,710048;黄土高原土壤侵蚀与旱地农业国家重点实验室,陕西,杨凌,712100);庄亮,张明,ZHUANG Liang,ZHANG Ming(新疆水利水电科学研究院,新疆,乌鲁木齐,830049);单鱼洋,SHAN Yu-yang(黄土高原土壤侵蚀与旱地农业国家重点实验室,陕西,杨凌,712100) |
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| 基金项目： | 国家科技支撑计划课题，新疆自治区重大科技专项课题，国家863项目，陕西省重点学科建设专项资金资助项目 |
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| 摘 要： | 模拟不同覆膜开孔率下的蒸发试验,研究了蒸发过程中不同覆膜开孔率下土体湿润锋及水盐运移情况的动态分布特征.结果表明:随蒸发历时的延长垂直湿润距离增大,在蒸发1d后垂直湿润距离的增加量最大,蒸发结束时随覆膜开孔率的增大垂直湿润距离减小;随蒸发历时的延长土体剖面内的含水量在减小,表层减小最快,剖面底部边侧含水量有所增加;盐分...
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| 关 键 词： | 覆膜开孔率 湿润锋 累积蒸发量 返盐量 |
Characteristics of evaporation from perforated plastic film in drip irrigation under film mulching in arid areas |
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| WANG Chunxi,WANG Quanjiu,ZHUANG Liang,SHAN Yuyang,ZHANG Ming.Characteristics of evaporation from perforated plastic film in drip irrigation under film mulching in arid areas[J].Agricultural Research in the Arid Areas,2011,29(1):14-21. |
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| Authors: | WANG Chunxi WANG Quanjiu ZHUANG Liang SHAN Yuyang ZHANG Ming |
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| Institution: | WANG Chun-xia1,WANG Quan-jiu1,2,ZHUANG Liang3,SHAN Yu-yang2,ZHANG Ming3(1.Institute of Water Resources,Xi'an University Technology,Xi'an,Shannxi 710048,China,2.State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau,Yangling,Shannxi 712100,3.Xinjiang Institute of Water Conservation and Hydraulic Power,Wurumqi,Xinjiang 830049,China) |
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| Abstract: | Plastic film mulching has been widely used in crop planting in arid areas,but due to the seeding holes and other factors,entire mulching can not be performed in the field,and this must affect the distribution of soil water and salt content.Evaporation was simulated with different holes opening ratio to study the dynamic distribution characteristics of wetness van and soil water and salt transfer with different holes opening ratio in evaporation process.The results indicated that vertical wetness distances w... |
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| Keywords: | hole opening ratio wetness van cumulative evaporation increased salt content accumulated |
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