[1]孙东坡,张晓雷,王鹏涛,等.基于洪水过程的黄河下游游荡型河段冲淤特性研究[J].浙江水利科技,2014,(05):030-33,37.
 SUN Dong-po,ZHANG Xiao-lei,WANG Peng-tao,et al.The Research on the Scour-silting Characteristics Based on Flood Process in Wandering Reach of the Lower Yellow River[J].Zhejiang Hydrotechnics,2014,(05):030-33,37.
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基于洪水过程的黄河下游游荡型河段冲淤特性研究
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《浙江水利科技》[ISSN:1008-701X/CN:33-1080/TV]

卷:
期数:
2014年05期
页码:
030-33,37
栏目:
出版日期:
2014-09-25

文章信息/Info

Title:
The Research on the Scour-silting Characteristics Based on Flood Process in Wandering Reach of the Lower Yellow River
作者:
孙东坡1 张晓雷12 王鹏涛1 刘明潇3 董明家1
1. 华北水利水电大学水利学院, 河南 郑州 450011;
2. 武汉大学水资源与水电工程科学国家重点实验室, 湖北 武汉 430072;
3. 西安理工大学水利水电学院, 陕西 西安 710048
Author(s):
SUN Dong-po1 ZHANG Xiao-lei12 WANG Peng-tao1 LIU Ming-xiao3 DONG Ming-jia1
1. College of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450011, Henan, China;
2. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, Hubei, China;
关键词:
洪水过程河床形态黄河下游响应累积效应
Keywords:
flood processchannel morphologyLower Yellow Riverresponsecumulative effect
分类号:
TV147
摘要:
为了把握洪水泥沙过程对黄河下游游荡型河段河床冲淤调整的影响,通过平面二维水沙数值模拟与实测资料分析,进行了不同水沙过程下黄河下游河道冲淤规律的探讨.研究发现不同洪水泥沙过程对河槽的调整塑造有明显不同的影响,大洪峰流量塑造的河槽在非洪峰期难以维持原有输沙强度.主槽累积刷槽效应与洪水泥沙过程有很好的响应关系,塑造出最适宜河床断面形态的洪水过程才能实现最佳输沙效率.在不同量级漫滩洪水条件中,对应洪峰6 000 m3/s的洪水过程,塑造的断面形态具有最大累积刷槽效应,故可采用其作为黄河下游漫滩洪水的调控指标.
Abstract:
In order to clarify the influence of flood-sediment process on the channel morphology in wandering reach of the Lower Yellow River,the scouring-silting characteristics under different flood-sediment processes have been inquired by the methods of 2-D water-sediment numerical simulation and measured data analysis. It is shown that different flood-sediment processes have significantly different effects on shaping the main channel,and the channel molded by the big flood peak can hardly maintain the original intensity of the sediment transportation during non-peak flood periods.The cumulative scouring effects of the main channel have good response to the flood-sediment process,and the flood process can realize the best efficiency of the sediment transport by forming the most appropriate cross-section morphology of the channel.Among various magnitudes of the overbank flood processes,only the process (Qmax=6 000 m3/s) can obtain the best cumulative scouring efficiency by shaping the proper cross-section morphology.Therefore,the corresponding discharge can be considered as a regulation indicator of the overbank floods in the Lower Yellow River.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-6-21;改回日期:。
基金项目:国家自然科学基金重点资助项目(51039004);河南省创新型科技人才队伍建设工程面上资助项目(51079055);河南省教育厅科学技术研究重点项目(14A570001).
作者简介:孙东坡(1952-), 男, 教授, 博士生导师, 主要从事河流动力学研究.E-mail:sundongpo@ncwu.edu.cn
更新日期/Last Update: 1900-01-01