黄河宁蒙河段1964—2011年滩槽冲淤变化研究  

Erosion-Deposition Variation of Channel and Beaches of the Ningxia-Inner Mongolia Reach of the Yellow River Between 1964 and 2011

作　　者：颜明[1] 王彦君[1,2] 王随继[1] 闫云霞[1] 许炯心[1] 师长兴[1] 贺莉[1] 

机构地区：[1]中国科学院地理科学与资源研究所陆地水循环及地表过程重点实验室,北京100101 [2]中国科学院大学资源与环境学院,北京100049

出　　处：《人民黄河》2016年第1期5-8,共4页Yellow River

基　　金：国家"973"计划项目(2011CB403305);国家自然科学基金资助项目(41371037;41271306)

摘　　要：黄河宁蒙河段不同断面的冲淤变化主要受上游来水来沙的影响,近几十年河道的淤积抬高严重威胁着沿岸群众的生产生活。以1964—2011年6个主要水文站实测流量、水位及大断面数据为基础,通过构建各个水文站断面的理想断面,逐年推算出各站河道断面的理想断面面积、河槽断面面积和滩地断面面积,并以此分析了三类断面面积随时间的变化规律。结果表明:青铜峡断面出现轻微的冲刷,磴口、巴彦高勒、三湖河口站断面表现出比较明显的淤积,石嘴山、头道拐站断面的冲淤变化不甚明显。The aggradation of the main channel in Ningxia-Inner Mongolia reach of the Yellow River is the combined results of water regulation and climate change of the upper reaches,which would threaten the stability of river channels. Based on the runoff discharge,water level and cross section data measured by hydrometric stations along the channel of the study reach from 1964 to 2011,a referenced cross-section was conceived for each hydrometric station. The annual referenced cross-section areas,channel changing areas and beach changing areas were all calculated for each hydrometric station temporally. The results show that there is slight degradation at Qingtongxia cross section along with the time,and markedly aggratation at Dengkou,Bayangaole and Sanhuhekou hydrometric stations. And there are no apparent changes for cross sections of Shizuishan and Toudaoguai hydrometric stations.

关 键 词：理想断面 滩槽冲淤 宁蒙河段 黄河 1964-2011年 

分 类 号：P333[天文地球—水文科学] TV882.1[水利工程—水文学及水资源]