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经过前几年的河道整治,上海市的河道水环境有了较大的改善,但郊区城镇化地区的中小河道黑臭现象却在一定程度上仍然存在,造成河道黑臭的原因复杂而多变,本文在2007年初上海市郊区城镇化地区黑臭河道调查的基础上,简要分析了河道黑臭的原因和治理措施,供下阶段黑臭河道整治作参考。
After a few years of river improvement, the water environment in Shanghai has been greatly improved, but the black-smelly phenomena of medium and small rivers in the suburban urbanized areas still exist to some extent, causing the reasons for the black-smelly river to be complex and changeable Based on the investigation of the black-smelly river in the urbanization area of Shanghai suburbs in early 2007, the reasons for the black smellyness and the control measures are briefly analyzed for the reference of the remediation of the black-smelting river in the next stage.