摘要
三峡库区开县水域消落深度大,水位消落期将出现大面积裸露区,严重影响开县新县城及周边生态环境。因此,研究决定采用建设水位调节坝与前置库库周生态建设工程相结合的工程治理措施,以改善开县县城周边的环境。介绍了水位调节坝工程任务与环境影响、总体布置、运行控制措施、大流量泄水闸和鱼道工程设计,以及前置库周边沿岸生态防护林、湿地及多塘系统、敞水区动植物保护措施等生态治理工程建设。工程完工后,开县新县城周边消落区面积得以大幅度减少,并形成优美的人工平湖生态城市景观。
The water level dropdown area of Kaixian County in the Three Gorges Reservoir area is large with big drawdown depth and large outcropped land in the drawdown period,which severely influences the environment of new county of Kaixian and its surrounding areas.In order to improve the environment,after research,the building of water level regulating dam and ecological construction of front-reservoir are determined to improve the surrounding environment of Kaixian County.We introduce the objective of the dam and its influence,general layout,operation control measure and the design of large discharge sluice and fish path,the ecological improvement works of the front-reservoir such as protection forest,wetland and multi-ponds system,animal and vegetation protection measures etc.After completion of the works,the water level drawdown area surrounding the new county of Kaixian is reduced significantly and beautiful artificial lake landscape is formed.
出处
《人民长江》
北大核心
2012年第23期75-77,100,共4页
Yangtze River
关键词
环境水利
消落区
生态环境
治理
调节坝工程
开县
三峡水库
environmental hydro-science
drawdown area
ecological environment
improvement
regulating dam
Kainxian County
Three Gorges Reservoir
