2_9_大型淡水湖泊质状况_2007年_

2_9_大型淡水湖泊质状况_2007年_主要水系MainWaterSystem叶绿素α(毫克／米3)αChlorophyl(mg／m3)高锰酸盐指数(毫克／升)Perman-ganateindex(mg／l)巢湖西半湖WesternChaohuLake7.09.35巢湖东半湖EasternChaohuLake1.02.84董铺水库DongpuReservoir0.52.84昆明湖KunminghuLake11.84.10密云水库MiyunReservoir38.92.21兴凯湖XingkaihuLake47.42.90镜泊湖JingpohuLake100.06.20大明湖DaminghuLake26.04.00门楼水库MenlouReservoir4.02.50洱海ErhaiLake3.60滇池(外海)DianchiLake(OuterLake)9.00滇池(草海)DianchiLake(GrassLake)9.00松花湖SonghuahuLake3.43.86太湖TaihuLake23.15.10丹江口水库DanjiangkouReservoir2.00洞庭湖DongtinghuLake3.242-9大型淡水湖泊、水库水质状况(2007年)WaterQualityofBigFreshwaterLakesandReservoirs(2007)资料来源：水利部。Source:MinistryofWaterResource.总氮(毫克／升)TotalNitrogen(mg／l)总磷(毫克／升)TotalPhos-phorus(mg／l)透明度(米)Diapha-neity(m)水质类别WaterQuality2.860.270.32WorsethanGradeⅤ0.650.020.39GradeⅣ0.650.02GradeⅡ1.420.050.66GradeⅢ1.000.013.04GradeⅡ0.390.190.50GradeⅡ0.780.051.60GradeⅣ5.880.04WorsethanGradeⅤ5.210.04WorsethanGradeⅤ0.580.032.50GradeⅢ3.450.250.30GradeⅤ14.401.330.40WorsethanGradeⅤ1.100.030.85GradeⅣ2.350.070.35GradeⅢ1.340.022