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| 温室内节点渗灌条件下土壤水分运动规律的试验研究 | |
| 引用本文： | 郭维东,黄毅,郑金华,袁国忱,梁振海,蒋欢.温室内节点渗灌条件下土壤水分运动规律的试验研究[J].节水灌溉,2003(6):1-3. |
| 作者姓名： | 郭维东 黄毅 郑金华 袁国忱 梁振海 蒋欢 |
| 作者单位： | 1. 沈阳农业大学,辽宁,沈阳,110161 2. 辽中县水利局,辽宁,沈阳,110000 3. 康平县水利局,辽宁,沈阳,110500 4. 白石水库管理局,辽宁,朝阳,122000 5. 辽宁农业工程设计院,辽宁,沈阳,110000 |
| 基金项目： | 教育部博士点基金(项目编号970304)，辽宁省博士起动基金(20021040)资助项目 |
| 摘 要： | 通过温室内的渗灌试验，研究温室条件下采用节点渗灌时土壤中的水分运动规律，主要包括灌水结束时土壤含水率的分布、灌水结束后土壤水分再分布过程，即土壤湿润锋的运移及湿润区内的土壤含水率分布状况。试验结果表明，入渗过程中土壤含水率的分布是以渗灌管为中心向外逐渐减小，并且随着灌水历时的增加其重心逐渐下移。在土壤水分的再分布过程中，水分继续向外扩散，中心含水率减少，整个区域上的湿度梯度变缓。 |
| 关 键 词： | 渗灌 土壤湿润锋 土壤含水率 |
| 文章编号： | 1007-4929(2003)06-0001-03 |
| 修稿时间： | 2003年6月2日 |
Test on Moisture Movement Laws under Node Permeation Irrigation in Greenhouse |
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| GUO Wei-dong,HUANG Yi,ZHENG Jin-hua,YUAN Guo-chen,LIANG Zhen-hai,JIANG Huan.Test on Moisture Movement Laws under Node Permeation Irrigation in Greenhouse[J].Water Saving Irrigation,2003(6):1-3. | |
| Authors: | GUO Wei-dong HUANG Yi ZHENG Jin-hua YUAN Guo-chen LIANG Zhen-hai JIANG Huan |
| Institution: | GUO Wei-dong~1,HUANG Yi~1,ZHENG Jin-hua~2,YUAN Guo-chen~3,LIANG Zhen-hai~4,JIANG Huan~5 |
| Abstract: | Through the field test on permeation irrigation in the greenhouse, this paper studies the soil moisture movement law under the node permeation irrigation, that mainly included soil moisture distribution during irrigating and soil moisture redistribution after irrigation, namely movements of soil moist sharp point and the distribution state of soil moisture content in the moist district. The result of the test shows that soil moisture content distribution reduced gradually outwards in charge of permeation irrigation pipeline for the center. Gravity center moved down gradually with time lasting. The soil moisture continues to spread outwards during soil moisture redistribution. The humidity gradient becomes slow over the area, where the moisture content of center reduces. |
| Keywords: | permeation irrigation moist sharp point soil moisture content |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |