| 桑干河灌区节水改造措施及效益分析 |
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| 引用本文： | 田冬仙.桑干河灌区节水改造措施及效益分析[J].山西水利科技,2003(3):44-45. |
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| 作者姓名： | 田冬仙 |
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| 作者单位： | 水利部山西水利水电勘测设计研究院 |
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| 摘 要： | 桑干河灌区由于年久失修，水资源浪费严重，为提高灌区灌溉效益，对灌区的节水改造十分必要。本文针对桑干河灌区目前存在的问题，通过渠系节水改造工程后，灌溉水利用系数由0．384提高到0．522，年节水量1021．9万d，完全满足向首都北京供水970万m^3的节水目标，节水效益显著，可促进灌区农业的持续发展。
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| 关 键 词： | 桑干河灌区 节水改造 效益 灌溉 渠系节水改造工程 |
| 文章编号： | 1006-8139(2003)03-44-02 |
Measures of Water-saving Improvement for Sangganhe Irrigation District and Its Benefit Analysis |
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| Tian Dongxian.Measures of Water-saving Improvement for Sangganhe Irrigation District and Its Benefit Analysis[J].Shanxi Hydrotechnics,2003(3):44-45. |
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| Authors: | Tian Dongxian |
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| Affiliation: | Tian Dongxian |
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| Abstract: | In the view of the existing problems i n Sangganhe irrigation district,th is paper presents a scheme of wa-ter -saving improvement for the canal system.After the scheme is impleme nted,the irrigation water utilization coef-ficient is increased from 0.384to 0.522,and the annual water -saving amo unt is 10129000m 3 ,which can fully reach the objective of supplying 9700000m 3 water to Beijing annually.Therefore,the water -saving benefit is ob-vious,and it can promote the sustain able development of the irrigation d istrict. |
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| Keywords: | Irrigation District Water -saving Improvement Benefit |
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