| 灌区灌溉设计频率分析计算方法研究 |
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| 引用本文： | 蔡甲冰,刘钰,蔡林根,吴月英. 灌区灌溉设计频率分析计算方法研究[J]. 灌溉排水学报, 2001, 20(4): 30-31,46 |
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| 作者姓名： | 蔡甲冰 刘钰 蔡林根 吴月英 |
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| 作者单位： | 1. 国家节水灌溉北京工程技术研究中心,北京,100044
2. 山东簸箕李引黄灌溉管理局,山东,滨州,256600 |
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| 基金项目： | 欧共体合作项目 ERBIC18CT970 170 |
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| 摘 要： | 灌区灌溉设计中 ,常用降雨量进行频率分析来选取灌溉设计保证率及其对应典型年。这种方法存在一定缺陷。针对这种情况 ,推荐使用对灌区作物净灌溉需水量 (或称缺水量 )进行频率分析。它可以充分考虑到降雨时空分布的影响 ,更具合理性
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| 关 键 词： | 灌溉设计保证率 设计典型年 频率分析 有效降雨 净灌溉需水量 |
| 文章编号： | 1000-646(2001)04-0030-02 |
| 修稿时间： | 2001-09-07 |
A Method of Determining Suitable Probability for Irrigation Project Design |
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| CAI Jia bing ,LIU Yu ,CAI Lin gen ,WU Yue ying. A Method of Determining Suitable Probability for Irrigation Project Design[J]. Journal of Irrigation and Drainage, 2001, 20(4): 30-31,46 |
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| Authors: | CAI Jia bing LIU Yu CAI Lin gen WU Yue ying |
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| Affiliation: | CAI Jia bing 1,LIU Yu 1,CAI Lin gen 1,WU Yue ying 2 |
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| Abstract: | Rainfall frequency analysis is used commonly to determine probability of irrigation water requirement, and to choose typical years for irrigation project design. But there are some disadvantages in this method. To overcome these disadvantages, the results of frequency analysis of net irrigation requirement are recommended to determine the probability in this paper. A case study shows that the new method is more valid in considering rainfall distribution. |
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| Keywords: | probability of irrigation water requirement typical year for irrigation project design frequency analysis effective precipitation net irrigation requirement |
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