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引水减少对河套永联试验区田间水均衡影响分析

江燕, 王修贵, 刘昌明, 武夏宁

江燕, 王修贵, 刘昌明, 武夏宁. 引水减少对河套永联试验区田间水均衡影响分析[J]. 水科学进展, 2009, 20(3): 356-360.
引用本文: 江燕, 王修贵, 刘昌明, 武夏宁. 引水减少对河套永联试验区田间水均衡影响分析[J]. 水科学进展, 2009, 20(3): 356-360.
JIANG Yan, WANG Xiu-gui, LIU Chang-ming, WU Xia-ning. Modeling influence of reduced irrigation water on water balance using SWAP[J]. Advances in Water Science, 2009, 20(3): 356-360.
Citation: JIANG Yan, WANG Xiu-gui, LIU Chang-ming, WU Xia-ning. Modeling influence of reduced irrigation water on water balance using SWAP[J]. Advances in Water Science, 2009, 20(3): 356-360.

引水减少对河套永联试验区田间水均衡影响分析

基金项目: 国家高新技术研究发展计划(863)资助项目(2006AA100207);国家自然科学基金资助项目(50239090;50809004)
详细信息
    作者简介:

    江燕(1979- ),女,湖北成宁人,博士后,主要从事流域水循环模拟方面的研究.E-mail:lirenjy@sohu.com

  • 中图分类号: TV213.9

Modeling influence of reduced irrigation water on water balance using SWAP

Funds: The study is financially supported by the National High Technology Research and Development Program of China(No.2006AA100207)andthe National Natural Science of China(No.50239090;50809004).
  • 摘要: 以河套灌区永联试验区的六队六八斗渠控制区域为研究区域,采用荷兰Wageningen农业大学开发的SWAP(Soil Water Atmosphere Plant)模型,模拟分析了引水减少条件下的田间水均衡要素变化规律。结果显示蒸散发量占总耗水量的比例在90%以上,验证了河套灌区的耗水类型是以垂向的蒸散发为主。随着引水量减少,模拟的相对产量也显著降低。可见,当灌区年平均引水量从52亿m3减少到40亿m3时,现有种植结构下的作物产量将会受影响。因此,引水减少后的种植结构和灌溉制度需适度调整。
    Abstract: This paper analyzes the influence of reduced irrigation on water balance of farmland by the soil-water-atmosphere-plant(SWAP)Model.The experiment site is an area controlled by lateral canal in Hetao irrigation district of China.The results show that the ratio of evapotranspiration to total consumed water is over 90%,which further proves evapotranspiration is the leading water-consumed factor in Hetao irrigation district.The result also shows that relative production will fall evidently due to reduced irrigation water.Therefore,when the quantity of water alloted in Hetao irrigation district is cut down from 5.2 billion m3 to 4.0 billion m3,the pattern of crops and irrigation scheduling etc must be regulated newly.
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  • 被引次数: 0
出版历程
  • 收稿日期:  2008-06-28
  • 刊出日期:  2009-05-24

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