Evaluation of non-point source pollution reduction by applying Best Management Practices using a SWAT model and QuickBird high resolution satellite imagery

查看全文 作　　者：MiSeon [1]Lee;GeunAe [2]Park;MinJi [2]Park;JongYoon [2]Park;JiWan [2]Lee;SeongJoon [2]Kim

机构地区：[1]Department of Rural Engineering,Konkuk University;[2]Department of Civil and Environmental System Engineering,Konkuk University

出　　处：《Journal of Environmental Sciences》索引2010年第22卷第6期,共8页

基　　金：supported by a grant (code # 2-2-3) from Sustainable Water Resources Research Center of 21st Century Frontier Research Program;the Development of The Third Korea Multe-Purpose Satellite funded by Ministry of Education Science 摘　　要：This study evaluated the reduction effect of non-point source pollution by applying best management practices (BMPs) to a 1.21 km 2 small agricultural watershed using a SWAT (Soil and Water Assessment Tool) model.Two meter QuickBird land use data were prepared for the watershed.The SWAT was calibrated and validated using daily streamflow and monthly water quality (total phosphorus (TP),total nitrogen (TN),and suspended solids (SS)) records from 1999 to 2000 and from 2001 to 2002.The average Nash and Sutcliffe model efficiency was 0.63 for the streamflow and the coefficients of determination were 0.88,0.72,and 0.68 for SS,TN,and TP,respectively.Four BMP scenarios viz.the application of vegetation filter strip and riparian buffer system,the regulation of Universal Soil Loss Equation P factor,and the fertilizing control amount for crops were applied and analyzed. 关键词：QUICKBIRD SWAT模型非点源污染高分辨率卫星图像最佳管理通用土壤流失方程评价 BMPS

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Evaluation of non-point source pollution reduction by applying Best Management Practices using a SWAT model and QuickBird high resolution satellite imagery

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