滇池氮与富营养化研究

Study on Nitrogen and Eutrophication of Dianchi Lake

通过利用滇池外海多年来的监测结果,从宏观上的污染物总量和微观上的数理统计分析提出,进入滇池湖体的氮磷总量中,氮对滇池的贡献要远大于磷;夏季主要以COD、BOD有机污染为主,冬季以氮、磷污染为主。因此,解决滇池富营养化的根本途径是点源、面源综合治理,彻底减少TN、TP、COD和BOD的排放量。

The contribution of nitrogen is larger than phosphorus a lot in the total amounts of nitrogen and phosphorus entering to the Dianchi lake water based on the macro total pollution amounts and micro statistic analysis from several years＇water monitoring results. In summer, COD and BOD are the main pollutants, nitrogen and phosphorus pollution happens in winter. However, the key way to solve the eutrophication of Dianchi lake is to control point source and non- point source pollution to reduce the discharge amount of TN, TP, COD and BOD.