Abstract: In recent years, affected by the water diversion project and the construction of the Grand Canal landscape belt, the ecological environment on both sides of the South Canal has been significantly improved, and the quality of the water environment has gradually changed. Using the water environment quality index evaluation method, through the systematic analysis of the water environment quality of the Cangzhou section of the South Canal in recent years, the change law of the water environment quality is found, the influencing factors are determined, and effective measures and suggestions are put forward. The purpose is to provide a powerful reference for further promoting the prevention and control of water environment pollution, improve the quality of the water environment, and restore the ecological function of the water, so as to truly realize the ecological beauty of the Grand Canal, which is livable and suitable for swimming.

Key words: Cangzhou section of the South Canal, water environment, water resources, analysis and evaluation, protection measures

摘要： 近年来,南运河受引水工程和大运河景观带建设的影响,两岸生态环境明显得到改善,水环境质量也逐步发生变化。运用水环境质量指数评价法,通过对近几年南运河沧州段水环境质量的系统分析,发现水环境质量变化规律,确定影响因素,并提出有效的措施建议。目的是为进一步推进水环境污染防治,提高水环境质量,恢复水生态功能提供有力参考,真正实现大运河打造成水清鱼游、碧波荡漾、宜居宜游的生态美景。

关键词: 南运河沧州段, 水环境, 水资源, 分析与评价, 保护措施