巢湖营养化状况评价及水质恢复探讨

巢湖水质的污染特征为营养盐浓度居高不下，局部水域藻类疯长，已属重富营养化。根据近１０ａ监测数据，总氮的点源污染负荷占５１％，非点源占４９％；总磷的点源污染负荷占６０％，非点源占４０％。笔者也探讨了ＣＯＤ、总氮、总磷的湖内空间分布及水质恢复对策。综合分析巢湖的环境特征、水质现状及流域环境经济状况，短期内巢湖的水质将很难明显改观。如各项规划中的措施到位，预计到２０１０年，巢湖的水质可望从富营养－极度富

Study on the Eutrophication in Chaohu Lake and Its Remediation

Typical pollutants in Chaohu Lake are nutritious salts and cause extreme algae growth.The water quality in the lake has been in a heavy eutrophication state.According to the monitoring results over the past 10 years,51% of total N came from point sources and 49% from non point sources.60% of total P was from point sources and 40% from non point sources.The spatial distribution of COD,total N and total P concentrations within the lake and the remediation measures were also studied and discussed.