[1]凌 哲,张 鹏,吕馨怡,等.2020年江苏长江重点岸段监测分析概述[J].江苏水利,2021,(增刊2):13-15+33.
　LING Zhe,ZHANG Peng,LYU Xinyi,et al.Overview on the monitoring and analysis of the key banks of the Jiangsu Yangtze River in 2020[J].JIANGSU WATER RESOURCES,2021,(增刊2):13-15+33.
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2020年江苏长江重点岸段监测分析概述()
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《江苏水利》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2021年增刊2
页码:
13-15+33
栏目:
水利规划与设计
出版日期:
2022-01-14

文章信息/Info

Title:
Overview on the monitoring and analysis of the key banks of the Jiangsu Yangtze River in 2020
文章编号:
1007-7839(2021)S2-0013-03
作者:
凌 哲;  张 鹏;  吕馨怡;  罗龙洪;  袁文秀
(江苏省水利工程规划办公室, 江苏 南京 210029)
Author(s):
LING Zhe;  ZHANG Peng;  LYU Xinyi;  LUO Longhong;  YUAN Wenxiu
(Jiangsu Water Conservancy Project Planning Office, Nanjing 210029, China)
关键词:
冲淤变化;  监测评估;  预警;  长江
Keywords:
changes of deposition and erosion;  monitoring and evaluation;  early-warning;  the Yangtze River
分类号:
TV82
文献标志码:
B
摘要:
2020年长江发生继1954年、1998年之后的又一场流域性大洪水，长江南京河段、镇扬河段水位创历史新高。根据江苏省沿江八市重点岸段2020年水下地形监测成果，与2019年成果比对后显示，经历2020年长江大水考验，大部分岸段存在局部区域冲刷现象，变化较明显的有:新济洲左缘、双山沙左侧出现刷滩，和畅洲西缘发生水下滑塌，孟家港防崩层受损，长青沙西南缘冲刷较大，民主沙出现小崩窝、丰乐桥发生崩塌等。最后针对本次分析中出现的深槽冲刷、近岸冲刷及岸坡较陡的情况，提出预警与建议。
Abstract:
The flood happened in the Yangzi River in 2020 was another basin flood after 1954 and 1998, and the water levels of the Nanjing and Zhenyang reaches of the Yangtze River hit a record high. After the Yangtze River flood in 2020, and comparing the results of the underwater topographic monitoring of key banks in the eight cities along the Yangtze River in Jiangsu Province between the year 2020 and 2019, there are localized erosion phenomenon on most banks. There are some obvious changes: concave bank appeared on the left side of Xinjizhou and of Shuangshansha, the west edge of Hechangzhou suffered underwater slumping, anti-collapsing layer of Mengjia harbor was damaged, the southwest of Changqingsha occurred large flushing, Minzhusha occurred a small collapse, Fengle Bridge collapsed and so on. Aiming at the situation of deep channel erosion, near-shore erosion and steep slope, some early warnings and suggestions are put forward.

参考文献/References:

[1] 张幸农, 假冬冬, 陈长英. 长江中下游崩岸时空分布特征与规律[J]. 应用基础与工程科学学报, 2021(2):55-63.
[2] 芮孝芳, 陈洁云. 感潮河段设计洪水位的推求[J]. 水利水电技术, 1995(11):39-41.
[3] 尚全明, 禇明华, 骆进军, 等. 2020年长江流域性大洪水防御[J]. 人民长江, 2021(12):15-20.
[4] 水利部长江水利委员会.长江泥沙公报(2020)[R]. 武汉:长江出版社, 2021.

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备注/Memo

备注/Memo:
收稿日期:2021-09-16
基金项目:江苏省水利科技项目(合同号:2021004)《新情势下长江南京河段过江通道群影响及河势响应研究》资助
作者简介:凌哲(1988—),女,工程师,硕士,主要从事水利规划工作。E-mail:lingzhesdu@163.com
更新日期/Last Update: 2022-01-14