湖北长湖水质现状分析与评价

Analysis and Evaluation on Water Quality Status in Changhu Lake

根据地表水质标准(GB3838-2002),对长湖水质进行了评价,长湖水质富营养化,总磷超过地面Ⅴ类标准,溶解氧达到Ⅳ标准,长湖水质中氨氮、氰化物及总氨含量达到Ⅱ类水质标准。笔者还分析了造成长湖水质污染的原因,并根据长湖的现状对长湖提出了保护建议。

Based on standard of surface water （GB3838-2002）, the water quality was evaluated in Changhu Lake, and it was rich nutrition with ammonia nitrogen, nitrogen, phosphorous and so on. The ammonia nitrogen exceeded the Ⅴ standard of the surface water, the dissolve oxygen reached Ⅳ standard and the others were Ⅱ standard. The authors also analyzed the polluted causations and put forward suggestions on protective measures.