| 三段式暴雨衰减指数条件下的小流域暴雨产流计算 |
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| 引用本文： | 冯宇鹏,秦学林.三段式暴雨衰减指数条件下的小流域暴雨产流计算[J].电力勘测设计,2009(3):24-27. |
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| 作者姓名： | 冯宇鹏 秦学林 |
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| 作者单位： | 1. 中水北方勘测设计研究有限公司,天津,300222
2. 北京国电华北电力工程有限公司,北京,100011 |
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| 摘 要： | 针对现行的《电力工程水文勘测计算手册》小流域暴雨洪水计算方法中的暴雨衰减指数n适应性不足问题,推导提出了暴雨衰减指数n_3存在情况下的暴雨产流计算公式,并推导出了由径流系数计算入渗率的公式,从而完善了计算方法,为手册的修订提供技术依据。
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| 关 键 词： | 小流域暴雨洪水 暴雨衰减指数 径流系数 入渗率 |
The Rainstorm Run of Calculation of Small Basin Based on Three-Rainstorm-Attenuation Index |
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| Abstract: | In this paper,a new formula for storm-runoff computation is presented with the Three-Rainstorm-Attenuation index n3,under the situation that the adaptability of rainstorm attenuation index n is not so practical in the existed computation method used in small basins shown in《THE SURVEY AND CALCULATION HANDBOOK OF THE HYDROLOGICAL FOR ELECTRIC POWER ENGINEERING》(1981).And the calculation formula by which infiltration rate can be calculated by runoff coefficient is also deducted.Therefore,the research can provide a reference for the recension of the handbook. |
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| Keywords: | rainstorm run off in small basin rainstorm attenuation index runoff coefficient infiltration rate |
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