U.S.Environmental Protection Agency.National water quality inventory[M].Report to Congress Executive Summary.Washington DC:USEPA,1995.497.
[4]
Udoyara S Tim,Robbert Jolly.Evaluating Agricultural Non-point Source Pollution Using Integrated Geographic Information Systems and Hydrologic Water Quality Model[J].Environ Qual,1994,23:25-35.
Young R A,Onstad C A,Bosch D D,et al.AGNPS:Agricultural non-point source pollution model:a water analysis tool.Conservation Research Report 35,Washington DC:USDA,ARS,1987,77.
[10]
Guo H Y,Wang X R,Zhu J G.Quantification and index of non point sources pollution of Taihu Lake Region with GIS[J].Environmental Geochemistry and Health,2004,26:147-156.
[11]
Guo H Y,Zhu J G,Wang X R,et al.Case study on nitrogen and phosphorus emission from paddy field in Taihu region[J].Environmental Geochemistry and Health,2004,26:209-219.
[12]
William J R,Lasear W V.Water yield model using SCS curve numbers[J].Journal of Hydraulics Division,1976,102(9):1221-1253.
[13]
Li C.Preliminary study of the effects of urbanization on food and tide and environmental characteristics of Shenzhen river catchment[C].Proceedings of southeast Asia Regional Workshop on Urban Hydrology,Nanjing:Hehai University Press,1997.40-45.