| 瞬时单位线法在浙江省应用的几个问题研究 |
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| 引用本文： | 傅联森,陈润,周焕.瞬时单位线法在浙江省应用的几个问题研究[J].水文,2012,32(3):43-46,87. |
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| 作者姓名： | 傅联森 陈润 周焕 |
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| 作者单位： | 浙江省水利水电勘测设计院,浙江杭州,310002 |
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| 摘 要： | 纳希瞬时单位线在浙江省地区得到应用,为了使该方法适用于该地区,需要对其中的模型参数和非线性外延控制两个问题进行研究。通过对瞬时单位线法中n和K参数作用的研究分析,结合浙江省地区的实际情况,研究出按照流域面积大小分级取用n值的关系;同时通过对浙江省地区实际水雨情进行计算分析,得出临界雨强控制在30～40mm/h在浙江省地区是合理的。该成果为纳希瞬时单位线在浙江省地区的使用提供了参考依据。
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| 关 键 词： | 纳希瞬时单位线 模型参数 非线性外延控制 临界雨强 浙江省地区 |
Application of Instantaneous Unit Hydrograph in Zhejiang Province |
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| FU Liansen
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CHEN Run
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ZHOU Huan.Application of Instantaneous Unit Hydrograph in Zhejiang Province[J].Hydrology,2012,32(3):43-46,87. |
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| Authors: | FU Liansen CHEN Run ZHOU Huan |
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| Institution: | (Zhejiang Design Institute of Water Conservancy and Hydroelectric Power,Hangzhou 310002,China) |
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| Abstract: | Nash instantaneous unit hydrograph has been used in Zhejiang Province.In order to make the method conform to the region of the truth,it needs to study two problems of model parameters and nonlinearly extending controlling.This paper studied the value of parameter(n and k) according to catchment area size based on the analysis of the effect of these two parameters and the actual situation of Zhejiang Province.And through calculation and analysis of Zhejiang actual rainfall flow situation,this study obtained that the critical rainfall intensity controlling in 30-40mm/h in Zhejiang is reasonable.The result provides reference for the using of Nash instantaneous unit hydrograph in Zhejiang Province. |
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| Keywords: | Nash instantaneous unit hydrograph model parameters nonlinear extending controlling critical rainfall intensity Zhejiang Province |
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