资源描述：
《Assessment of Point and Nonpoint Sources Pollution in Jilin Reach of Songhua River Basin, China Usin》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、AssessmentofPointandNonpointSourcesPollutioninJilinReachofSonghuaRiverBasin,ChinaUsingRevisedWaterQualityModel（三号字，加粗）Receiveddate:2009-06-15;accepteddate:2009-11-09Foundationitem:UndertheauspicesofNationalBasicResearchProgramofChina(No.2004CB418502,No.2007CB407205),theKnowledgeInnov
2、ationProgramsofChineseAcademyofSciences(No.KSCX1-YW-09-13)YANGYuhong1,2,YANBaixing1Correspondingauthor:YANBaixing.E-mail:yanbx@neigae.ac.cn©SciencePressandNortheastInstituteofGeographyandAgroecology,CASandSpringer-VerlagBerlinHeidelberg2010,SHENWanbin3(1.KeyLaboratoryofWetlandEcology
3、andEnvironment,NortheastInstituteofGeographyandAgroecology,ChineseAcademyofSciences,Changchun130012,China;2.GraduateUniversityofChineseAcademyofSciences,Beijing100049,China;3.CollegeofEnvironmentandResources,JilinUniversity,Changchun130012,China)（国内作者姓名（五号字，正体，不加粗），应姓在前，全部大写，名在后，首字母大
4、写，双名中间不加连字符，如LIWenyan，作者之间用逗号分开；国际作者姓、名的前后顺序应尊重作者国家的习惯，姓全大写。作者单位（小五号字，斜体，不加粗），用全称，实词首字母大写，在其后列出所在城市、邮编、国家名。）Abstract:WaterqualitydeteriorationhasbecomeanenvironmentalissueduringlastdecadesinChinaandothercountries.Individualparticipationofpollutantsinthepollutionloadshouldbeestimatede
5、venifroughlyfortheappropriateenvironmentalmanagementofariverbasin.Thedifficulty,especiallyinmodelingnonpointsource,istoidentifythesourcesandtoquantifytheloading.Inthisstudyarevisedmodelwasestablishedbyintegratingpointandnonpointsourcesintoone-dimensionalStreeter-Phelps(S-P)modelonthe
6、basisofreal-timehydrologicdataandsurfacewaterqualitymonitoringdataintheJilinReachoftheSonghuaRiverBasin.Chemicaloxygendemand(COD)andammonianitrogen(NH3-N)loadswereestimated.ResultsshowedthatCODloadsofpointsourceandnonpointsourcewere134958t/yrand86209t/y,accountingfor61.02%,and38.98%o
7、ftotalloads,respectively.NH3-Nloadsofpointsourceandnonpointsourcewere16739t/yrand14272t/yr,accountingfor53.98%and46.02%,respectively.Pointsourcepollutionwasgreaterthannonpointsourcepollutioninstudyareaatpresent.Thewaterqualityofupstreamwasbetterthanthatofdownstreamoftheriversandcitie
8、s.Itisindisp
