长江口徐六泾节点整治工程的影响分析  

Impact analysis of node regulation project at Xuliujing reach in Changjiang Estuary

作　　者：张志林 王珏 张东锋 言超 ZHANG Zhilin;WANG Jue;ZHANG Dongfeng;YAN Chao(Survey Bureau of the Hydrology and Water Resources of Changjiang Estuary,Water Bureau of Changjiang Water Resources Commission,Shanghai 200136,China;Taicang Zhenhai Hydrographic Survey Co.,Ltd.,Suzhou 215400,China)

机构地区：[1]长江水利委员会水文局长江口水文水资源勘测局,上海200136 [2]太仓市振海水文勘测有限公司,江苏苏州215400

出　　处：《人民长江》2022年第1期1-6,12,共7页Yangtze River

基　　金：上海市水务局科研项目(沪水科2020-02)。

摘　　要：徐六泾节点整治工程是国务院批复的《长江口综合整治开发规划》的重要组成部分。目前已实施的新通海沙整治工程,使徐六泾节点断面河宽缩窄了近16.3%,对徐六泾河段的河床演变及潮流量产生了一定的影响。在介绍徐六泾节点整治工程的基础上,就整治后徐六泾节点段河床演变和潮流量变化等进行了分析。分析结果表明:整治工程对徐六泾断面形态产生了直接影响,左侧较长的顺长缓坡逐渐冲刷成副槽,原来偏“V”形断面形态向偏“W”形断面形态发展;工程的影响主要位于围堤前沿;徐六泾断面潮流量未见明显减小;徐六泾节点段深槽基本稳定。The node regulation project for Xuliujing reach is an important part of the Development Plan for Comprehensive Management of Yangtze Estuary approved by the State Council.The river width at Xuliujing node section has been narrowed by 16.3%due to the Xintonghai Shoal regulation project,which has a certain influence on the riverbed evolution and tidal flow of Xuliujing reach.On the basis of introducing the Xuliujing node regulation project,the river bed evolution and tidal flow variation at Xuliujing node section after regulation were analyzed.The analysis results showed that the regulation project had a direct impact on the topography of Xuliujing section,and the long and gentle bed slope on the left side was gradually scoured into sub-grooves,and the original"V"-type section developed into"W"-type section.The impact of the project was mainly located at the forefront of the embankment,the tidal discharge of the Xuliujing section had not been significantly reduced,and the deep groove of the Xuliujing node was basically stable.

关 键 词：河床演变 潮流量 深槽 新通海沙整治工程 徐六泾节点 长江口 

分 类 号：TV856[水利工程—水利水电工程]