我国河流单因子水质标识指数评价方法研究

:2004-10-30:(2003AA601020):(1956-),,,,.E2mail:[e-mail]1,2(1.,200092;2.,200003):.,,;,.:;;;:X824:A:0253-374X(2005)03-0321-05SingleFactorWaterQualityIdentificationIndexforEnvironmentalQualityAssessmentofSurfaceWaterXUZu2xin1,2(1.StateKeyLaboratoryofPollutionControlandResourceReuse,TongjiUniversity,Shanghai200092,China;2.ShanghaiEnvironmentalProtectionBureau,Shanghai200003,China)Abstract:Thesinglefactorwaterqualityidentificationindex,whichisanewtoolforsinglewaterqual2ityfactorassessmentofsurfacewater,ispresented.Thecharacteristicsofsinglefactorwaterqualityi2dentificationindexare:Firstly,itcancompletelyidentifytheimportantinformationincludingwaterqualityclassificationofassessedfactors,waterqualitymonitoringdata,plannedwaterqualityclassifica2tionofwaterenvironmentfunctionarea;secondly,itcanevaluatetheselectedfactorsqualitativelybynationalwaterqualitystandards,andwaterqualitymonitoringdata;thirdly,itcanbeusedtocomparewaterqualityofthesameassessedfactorsinthesameclassificationandwaterqualityofdifferentas2sessedfactors.Keywords:river;waterqualityfactor;waterqualityassessment;waterqualityidentificationindex,,,,..[1,2]:(GB38382002),,;33320053()JOURNALOFTONGJIUNIVERSITY(NATURALSCIENCE)Vol.33No.3Mar.2005,,.,,;,.,,.,,,.1P,Pi=X1.X2X3(1):X1i;X2X1,1,;X3,,X3.1X2Fig.1ExplanationofX2inthesinglefactorwaterqualityidentificationindex2,X1X22.1X1,X1,:X1=1,;X1=2,;X1=3,;X1=4,;X1=5,.2.2X2(GB38382002),,pH21,Pi.2.2.1(21)X2(2),2.X2=i2ikik1-ik10(2):ii,ikiik;ikik,k=X1;ikik,k=X1.2(2)Fig.2ExplanationofthesymbolsinEquation22.2.2,,.X2(3),3.X2=DOk-DODOk-DOk10(3):DO;DOkk,k=X1;DOkk,k=X1.3(3)Fig.3ExplanationofthesymbolsinEquation3223()333,X1.X23.1(21)X1.X2(4),4.X1.X2=6+i-i5i5(4):i5i.,,X1.X26.0.4(4)Fig.4ExplanationofthesymbolsinEquation43.22.0mgL-1,.X1.X2(5),5.X1.X2=6+DO,5-DODO,5m(5):DO;DO,5,DO5=2.0mgL-1;m,m=4.5(5)Fig.5ExplanationofthesymbolsinEquation5,,,.(5)m,X1.X2=6.0,,.,m,2.0mgL-1.,m=4.4X3X3,.,X3=0(6)X2,X3=X1-fi(7)X2,X3=X1-fi-1(8):fi.,X3=1,1,X3=2,2,.:,,10,X3.56.6Fig.6Flowchartofformingthesinglefactorwaterqualityidentificationindex6X1.X2,X1.X2,:1.0X1.X22.0,;2.0X1.X23.0,;3.0X1.X24.0,;4.0X1.X25.0,;5.0X1.X26.0,;3233:X1.X26.0,,,.m=4,,Pi610.1.5mgL-1DO2.0mgL-1,X1.X2=67;1.0mgL-1DO1.5mgL-1,X1.X2=78;0.5mgL-1DO1.0mgL-1,X1.X2=89;0DO0.5mgL-1,X1.X2=910.7,Pi=X1.X2X3.Pi,,Pi,,,Pi6.0,.:(1):CODMn,Pi=4.81,7.7Fig.7ExplanationofthesinglefactorwaterqualityidentificationindexsignifyingsurfacewaterofClassPi=4.81,CODMn,,(2):4+CODMn-2030-20=4.8CODMn=28mgL-1(2):CODMn,Pi=8.73,8.8Fig.8ExplanationofthesinglefactorwaterqualityidentificationindexsignifyingsurfacewaterworsethanClassPi=8.73,CODMn,fi=X1-X3=8-3=5,(4):6+CODMn-4040=8.7CODMn=148mgL-18,2003,1,2.12003Tab.1AnnuallyaveragedmonitoringdataofthetypicalHuangpuRiverstationsin2003mgL-1DOCODMnBOD5NH32NTP8.384.982.791.100.1935.044.432.151.100.2215.694.522.481.050.2774.895.014.461.800.1703.466.106.592.340.270423()332Tab.2AssessmentofthewaterqualityitemsbasedonthesinglefactorwaterqualityidentificationindexmgL-1DOCODMnBOD5NH32NTP1.403.511.904.223.914.013.201.704.214.213.303.301.804.114.814.103.504.305.613.704.804.005.116.224.701.,,1,2,,21,.2,,,4,5d,.,.9(1)..(2),,;,;,;,.(3),,,..:[1],,,.[J].,1999,15(6):46-48.JIANGHuo2hua,ZHUJian2ping,LIANGDe2hua,etal.Therela2tionshipbetweencomprehensivepollutionindexassessmentandwaterqualitytypedistinguishing[J].EnvironmentalMonitoringinChina,1999,15(6):46-48.[2],,.[J].,1999,21(6):1-3.GUOJin2song,WANGHong,LONGTeng2rui.Analysisanddovelop2mentofwaterqualityevaluationmethod[J].ChongqingEnvironmentalScience,1999,21(6):1-3.,(Superpave):.SuperpaveSup225,Sup219,Sup216Sup212.5,,(VMA),VMA,Su2perpave.5233: