应用输出系数模型对太湖流域面源污染负荷测算研究  

Estimation of Nutrient Export Loads in Taihu Lake Watershed Based on the Export Coefficient Model

作　　者：周跃龙[1] 汪怀建[1] 余辉[2] 王振平[1,2] 

机构地区：[1]江西农业大学国土资源与环境学院,江西南昌330045 [2]中国环境科学研究院湖泊生态环境创新基地,北京100012

出　　处：《江西农业大学学报》2014年第3期678-683,共6页Acta Agriculturae Universitatis Jiangxiensis

基　　金：国家水体污染控制与治理重大专项(2008ZX07101-001)

摘　　要：为合理估算太湖流域非点源污染营养盐输出负荷,通过GIS空间分析能力,构建半分布式的输出系数模型,进而测算出太湖流域营养盐输出负荷。结果显示太湖流域总氮面源污染负荷为39.81万t/年,总磷面源污染负荷为5.59万t/年。太湖流域5分区中总氮、总磷面源污染负荷依次为北部污染控制区>浙西污染控制区>西部污染控制区>南部污染控制区>东部污染控制区。It is very important to estimate the nutrient export loads from watershed ,which is beneficial to management of water environment .These estimation results showed that：the total nitrogen load of non-point source pollution in Taihu lake watershed is 398 100 tons/a,the total phosphorus load is 55 900 tons/year.The total nitrogen,total phosphorus loads of non-point source pollution in the five areas are in the order of：the north pollution area＆gt;the west Zhejiang pollution area＆gt;the west pollution area＆gt;the south pollution area＆gt;the east pollution area .Moreover,the total nitrogen pollution mainly comes from the cultivated land ,the total phosphorus pollution mainly comes from the land for construction purposes .

关 键 词：输出系数模型 太湖流域 非点源污染 营养盐 

分 类 号：X522[环境科学与工程—环境工程]