| 山丘平圩混合区小流域水文分析计算方法研究 |
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| 引用本文： | 徐玲玲,张巍.山丘平圩混合区小流域水文分析计算方法研究[J].水文,2017,37(1):64-67. |
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| 作者姓名： | 徐玲玲 张巍 |
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| 作者单位： | 1.江苏省水利工程科技咨询有限公司2.淮安市水利勘测设计研究院有限公司 |
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| 摘 要： | 洪水灾害常常给社会造成严重的经济损失,小流域洪水汇流速度快,易对下游造成瞬时毁灭性灾害,采取有效的小流域治理措施是必须的。根据山丘平圩区小流域特点分析比较设计洪水的计算方法,推荐采用瞬时单位线法,同时对小流域分片设计洪水组合进行了研究分析。以团结河流域上段治理为例进行具体分析,计算出该流域20年一遇防洪设计流量为472.60m3/s,为类似该地区的山丘、平原、圩区混合区设计洪水分析总结经验,提供参考,具有现实意义。
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| 关 键 词： | 小流域 混合区 设计洪水 瞬时单位线 排涝模数 |
| 收稿时间： | 2016/5/26 0:00:00 |
Study on Hydrological Calculation Methods for Small Watersheds in Mountain-Plain-Polder Mixing Zone |
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| XU Lingling,ZHANG Wei.Study on Hydrological Calculation Methods for Small Watersheds in Mountain-Plain-Polder Mixing Zone[J].Hydrology,2017,37(1):64-67. |
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| Authors: | XU Lingling ZHANG Wei |
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| Institution: | 1.Jiangsu Water Conservancy Engineering Science and Technology Consulting Co., Ltd., Nanjing 210096, China; 2. Huaian Water Conservancy Survey and Design Research Institute Co., Ltd., Huaian 223005, China |
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| Abstract: | Flood disaster brings serious pecuniary loss to people. Small basin floods usually cause instant devastating disaster to downstream because of fast concentration. Therefore, it is necessary to take effective measures to control floods in small watershed. This paper based on the characteristics of the small watershed like mountain -plain -polder mixing area to analyze and compare methods of calculating peak flow, and recommend using instantaneous unit hydrograph method and carrying on some research on a combination of design flood in small watersheds. Then, the upper Tuanjiehe River Basin was taken as an example to calculate its design flow of 20-year flood control (472.60 m3 /s). |
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| Keywords: | small watershed mixing zone design flood instantaneous unit hydrograph drainage modulus |
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