[1]康凌艳,雷玉平,郑力,等.灌溉农田深层土壤水分动态试验研究[J].水土保持研究,2007,14(06):54-57.
　KANG Ling-yan,LEI Yu-ping,ZHENG Li,et al.Experimental Study on Water Dynamics of the Deep Soil Layer in Irrigation Field[J].Research of Soil and Water Conservation,2007,14(06):54-57.
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灌溉农田深层土壤水分动态试验研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 14 期数: 2007年06期 页码: 54-57 栏目: 出版日期: 1900-01-01
Title:
Experimental Study on Water Dynamics of the Deep Soil Layer in Irrigation Field
作者:
康凌艳1,2, 雷玉平1, 郑力1, 张圣微1,2, 孙世卫1,2
1. 中国科学院 遗传与发育生物学研究所 农业资源研究中心, 石家庄 050021;
2. 中国科学院 研究生院, 北京 100049
Author(s):
KANG Ling-yan1,2, LEI Yu-ping1, ZHENG Li1, ZHANG Sheng-wei1,2, SUN Shi-wei1,2
1. Center for Agricultural Resources Research, Ⅱnstitute of Genetic and Developmental Biology, CAS, Shijiazhuang 050021, China;
2. The Graduate School of the Chinese Academy of Science, Beijing 100049, China
关键词:
土壤含水量; 灌溉; 土壤水动态
Keywords:
water content; irrigation; dynamic state of soil water
分类号:
20070607
摘要:
针对近年来华北平原农田地下水开采多，补给少，地下水位普遍下降的问题，通过分析在栾城试验站获得的2005-2006年冬小麦-夏玉米生长季节不同灌溉条件下的土壤水分观测资料，探讨了地下水埋深较大条件下（大于30 m）0-6 m土层土壤水分动态变化规律。结果表明：在土壤干旱时期农田灌溉或降雨后，灌水和降雨（在60～170 mm之间）主要补充于0-2 m土层，在土壤湿润时期，当表层土壤水分得到一定补充后，水分会向下移动，渗漏到2-6 m土层的水量可达灌水量的9.6%～40.9%，而且灌水量越大渗漏到2-6 m土层的水分占灌水量的比例越大。研究还表明，0-6 m土层土壤对降水有很强的调蓄能力，在降水较大（小于170 mm）的情况下都可以滞留在土壤中，而不形成产流。
Abstract:
Groundwater resource has been used with growing intensity since years ago in the Northern Plain of China due to lack of water.As a result, the farm-land water table has decreased and the storage capacity of soil has changed accordingly in the well irrigation areas.It is necessary to take measures to reduce the loss of surface flow and evaporation and to use flood and runoff water to recharge the local groundwater.The data from the year 2005 to 2006 on rainfall, irrigation and soil moisture from the water resources experimental area in the Luancheng station were processed in order to study the dynamic characteristics of soil water under the condition of a deep water table.The results show that during the dry season the watering or precipitation (between 60 mm and 170 mm) was primarily stored in 0-2 m soil layer, and during the rainy season, when the top soil is relatively damp, 9.6%～40.9% of irrigation will be seeped to 2-6 m soil 1ayer, and with the more irrigation the larger percent of irrigation will be seeped to 2-6 m soil layer.The research also showed that the soil reservoir had very good regulation capacity and the precipitation (<170 mm) was stored in the 0-6 m soil layer (named soil reservoir) without surface flow appearing.

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备注/Memo

收稿日期:2007-2-5。
基金项目:中科院知识创新重要方向项目（KSCXZ-YW-N-037）；国家自然基金项目（30570335）
作者简介:康凌艳（1980- ），女，硕士生，主要从事水文水资源研究。

更新日期/Last Update: 1900-01-01