2012年汛期黄河上游洪水对宁蒙河道的影响  

Impact on the River Channel of Ningxia and Inner Mongolia Reach of the Upper Yellow River Floods in Flood Season of 2012

作　　者：张永平[1] 李德贵[1] 胡跃斌[1] 王临清[2] 

机构地区：[1]黄河水利委员会水文局,河南郑州450004 [2]黄河水利委员会河南水文水资源局,河南郑州450004

出　　处：《人民黄河》2013年第6期13-14,共2页Yellow River

摘　　要：对2012年汛期黄河上游洪水在通过宁蒙河道时的水文断面形态、河底高程、过洪能力变化等进行了分析。结果表明:2012年汛期黄河上游洪水的水量大、持续时间长,洪水对宁蒙河道产生了明显的冲刷作用,河道过洪能力得到了较大提高,有利于2012—2013年度的黄河防凌。对今后研究工作提出了建议:①在宁蒙河段布设专门的淤积测验断面,以期得到准确合理的河道冲淤变化资料;②加强宁蒙河段凌汛期水文测报关键技术的研究。This paper analyzed the morphology of hydrological cross sections,river bed elevation,changes of flood discharge capacity while the floods from the upper Yellow River pass through the river channel between Ningxia and Inner Mongolia in the flood season of 2012.The results show that： the floods coming from the upper Yellow River in the flood season of 2012 are large amount and long duration;the floods scour the river channel of Ningxia and Inner Mongolia reach obviously and the channel flood discharge capacity increases greatly,which is beneficial to the ice flood control of the Yellow River during 2012-2013.The suggestions are： to set up special measuring cross sections in the Ningxia and Inner Mongolia reach to get accurate and reasonable data of channel scouring and deposition variation;to strengthen the research on key technologies of hydrological measuring and forecasting of the Ningxia and Inner Mongolia reach in the ice flood season.

关 键 词：洪水 河道冲刷 防凌 宁蒙河道 2012年 黄河上游 

分 类 号：TV122[水利工程—水文学及水资源] TV882.1