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[1]YANG Jing-hui,ZHANG Wan-chang.Research Progress on SWAT Model and Its Application on Water Environmental Nonpoint Source Pollution[J].Research of Soil and Water Conservation,2009,16(05):260-266.

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Research Progress on SWAT Model and Its Application on Water Environmental Nonpoint Source Pollution

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 16 Number of periods: 2009 05 Page number: 260-266 Column: Public date: 2009-10-20

Title:: Research Progress on SWAT Model and Its Application on Water Environmental Nonpoint Source Pollution

Author(s):: YANG Jing-hui¹, ZHANG Wan-chang²; 1. International Institute for Earth System Science, Nanjing University, Nanjing 210093, China;
2. Center for Hydrosciences Research, Nanjing University, Nanjing 210093, China

Keywords:: SWAT; non-point source pollution; distributed model; water environment

CLC:: X522

DOI:: -

Abstract:: As one major causes of water environmental contamination,Non-point Source Pollution (NPS) owning to its complex dynamic mechanism has drawn much attention from researchers to adopt water environmental pollution models as major means for simulation studies.Soil and Water Assessment Tool (SWAT),developed by U.S.Department of Agriculture (USDA),has gained international acceptance as an advanced,interdisciplinary,distributed water environmental model and a strong platform for simulation,investigation and assessment of watershed NPS.Being integrated with techniques of Geographic Information Systems (GIS) and Remote Sensing (RS),SWAT is distinguished for its capabilities of comprehensively,continuously,reasonably simulating various long-term water environmental processes in complex meso-or macro-scale watersheds,as well as predicting the impacts of climate change,management practices,Land use and cover change (LUCC) on catchments’ water balance and NPS.On the basis of extensive investigation of SWAT related literatures published at home and abroad,with great efforts concentrated on tracking the periodical remarkable improvements of SWAT,this paper systematically summarized the progress of model developing status and its current advancements.Discussions on successful applications of the model in various watersheds on NPS studies and state-of-the-art research progress were given together with the analysis of main problems and difficulties existed in application practices of SWAT on research of NPS in China.Additionally,future development and possible improvements for the NPS sub-model of SWAT were prospected.The paper was aimed at intensifying appropriate applications of SWAT on NPS studies in China to improve reliability of model simulating results and efficiency of NPS research practices so as to provide quantitative,scientific decision supports for Best Management Practices (BMPs).

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