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中国沙漠  2018, Vol. 38 Issue (5): 1093-1098    DOI: 10.7522/j.issn.1000-694X.2017.00079
水文与水资源     
黄河宁蒙段河道过流能力
白涛, 哈燕萍, 马盼盼, 麻蓉, 畅建霞
西安理工大学 省部共建西北旱区生态水利国家重点实验室, 陕西 西安 710048
Conveyance Capacity of Ningxia-Inner Mongolia Reach of the Yellow River
Bai Tao, Ha Yanping, Ma Panpan, Ma Rong, Chang Jianxia
State Key Laboratory of Eco-Hydraulics in Northwest Arid Region, Xi'an University of Technology, Shannxi Xi'an 710048
 全文: PDF 
摘要: 宁蒙段河道过流能力过低是威胁黄河上游洪凌安全的关键因素,也是宁蒙河段水沙调控的重要影响因素。通过水位-流量关系曲线法确定了过流能力,对现状过流能力与历史过流能力进行对比分析,探讨了造成宁蒙河段河道过流能力过低的原因。结果显示:宁蒙河段自建站以来有剧烈的河床抬高和过流能力下降现象;宁蒙河段各断面的现状过流能力由5 200~6 200m3·s-1降至1 500~2 200m3·s-1,部分断面超过1 500m3·s-1就会导致漫滩,过流能力大大降低。提出建设标准化堤防,提高宁蒙河段河道的过流能力;以标准化堤防为前提获得了宁蒙河段各断面的最大过流能力。
关键词: 水位-流量关系过流能力水沙调控冲淤变化    
Abstract: Low conveyance capacity of Ningxia-Inner Mongolia Reach is key factors which threatened the security of Flooding and Ice Run upper Yellow River, it also a bottleneck developing regulation and control of runoff and sediment of the Ningxia-Inner Mongolia Reach. Conveyance capacity of overcurrent is determined by the relationship curve between water level and flow in this paper, and the current conveyance capacity and historical conveyance capacity are analyzed comparatively, the causes of the overcurrent capacity of the Ningxia-Inner Mongolia Reach are discussed. The results show that:the reach has a dramatic phenomenon of riverbed elevation and over-current capacity decline since establishment of stations; the present conveyance capacity of the reach decreased from 5 200-6 200 m3·s-1 to 1 500-2 200 m3·s-1, some sections More than 1 500 m3·s-1 will lead to the floodplain, and reduce the conveyance capacity greatly; proposed the construction of standardization dike to improve the conveyance capacity; under the premise of the Yellow River dike standardization, access to the secure flow of traffic through, establishing foundation on developing runoff and sediment regulation and control of the Ningxia-Inner Mongolia Reach safely and successfully. Research has important practical significance to improve the Ningxia-Inner Mongolia Reach overcurrent condition and accelerate the Standardized construction process of the Yellow River each section of Ningxia-Inner Mongolia Reach dike.
Key words: the relationship between water level and flow    conveyance capacity    regulation and control of runoff and sediment    erosion-deposition variation
收稿日期: 2016-12-12 出版日期: 2018-11-03
ZTFLH:  P343.1  
基金资助: 国家重点研发计划项目(2017YFC0405900);陕西省水利科技计划项目(2017slkj-16,2017slkj-27);中国博士后科学基金项目(2017M623332XB);陕西省博士后科研资助项目;陕西省自然科学基础研究计划项目(2018JQ5145)
通讯作者: 哈燕萍(E-mail:hayanping@sohu.com)     E-mail: hayanping@sohu.com
作者简介: 白涛(1983-),男,陕西西安人,讲师,博士,主要从事水资源系统工程研究。E-mail:baitao@xaut.edu.cn
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引用本文:

白涛, 哈燕萍, 马盼盼, 麻蓉, 畅建霞. 黄河宁蒙段河道过流能力[J]. 中国沙漠, 2018, 38(5): 1093-1098.

Bai Tao, Ha Yanping, Ma Panpan, Ma Rong, Chang Jianxia. Conveyance Capacity of Ningxia-Inner Mongolia Reach of the Yellow River. Journal of Desert Research, 2018, 38(5): 1093-1098.

链接本文:

http://www.desert.ac.cn/CN/10.7522/j.issn.1000-694X.2017.00079        http://www.desert.ac.cn/CN/Y2018/V38/I5/1093

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