成都市大气颗粒物源解析的PPR法

:1999-09-02:(49471048):(1944-),,,.PPR1,2,2(1.,610041;2.,610065):(PPR),,:,40%,:;;;:X169:A:1001-6929(2000)05-0038-03PPRMethodforSourcesApportionmentofAtmosphericParticulatesinChengduCityLIZuo2yong1,DINGJing2,ZHANGXin2li2(1.ChengduInstituteofMeteorology,Chengdu610041,China;2.HydraulicEngineeringFacultyofSichuanUniversity,Chengdu610065,China)Abstract:Inordertocontrolpollutionandimproveatmosphericquality,itisnecessarytomakesourcesapportionmentofatmosphericparticles.Onthebasisofanalysestothedataofelementcontentsinatmosphericsamplesandtothesourceprofilesofatmosphericpar2ticulatesinChengduCity,theweightcontributionratesofsourcesofatmosphericparticulateswerecalculatedwiththehelpofprojec2tionpursuitregression(PPR)technique.ResultsshowthatthecontributionratesofcoalburningandsoilduststhatarethemaindustsourcesofatmosphericparticulatesinChengdusurpassed40%respectively.Itcoincideswiththepracticalcasesofsourcesofatmo2sphericpollutioninChengdu.Keywords:atmosphericparticulate;sourcesapportionment;atmosphericpollution;projectionpursuit,,(CMB)[1](FA)[2]CMB,,,,FA(TTFA)T,,TTFA(TTRA)FA,TTFA,,,[3](PP),,[4]PP,,,1PPR111135ResearchofEnvironmentalSciencesVol.13,No.5,2000,1992,510(SPM,d10m)13,(x1)(x2)(x3)(x4)(x5)(x6)(x7)7,710(y)1[5][6]112PPRPPR(PP)(RA),Gm(Zm):f(x)Mm=1mGm(Zm)=Mm=1mGm(_x_)(1):M;Zm,Px__Zm=_x_=m1x1++mpxp=pj=1mjxj(2)f(x),PPR,(1)(2)mj,m,Gm(Zm)M,L2=E[y^-Mm=1mGm(pj=1mjxj)]2=min(3)(SMART)[7]SMARTPPR,,xjy,PPR,PPRxj,yxjy,1xj(j=1,2,,7)y,PPR1131xjyPPRSMARTp=7,N=13,SMM,S=013,M=6,M=5,,17j1Table1ElementcomponentsofsourcesofatmosphericparticulatesandanalysisdataofatmosphericsamplesinChengduCityx1x2x3x4x5x6x7ySi0.24500.16500.09340.07600.20500.10200.018430.70Ca0.00200.03170.24500.00110.01290.00250.00145.300Mg0.00910.00960.00210.00130.00620.02120.00072.000Fe0.05410.03890.02030.01260.02900.14600.00757.450Mn0.00100.00100.00080.00020.00030.01140.00040.620K0.03760.02600.01550.00680.01630.01800.00298.150Al0.06040.04920.02240.02340.02730.01650.00345.110Pb0.00110.00080.00020.00040.00030.00110.00130.590Ti0.00050.00020.00150.00050.00100.00020.00011.830As0.00230.00100.00060.00130.00140.00990.00031.620Zn0.00150.00090.00030.00140.00060.00980.00010.910Se0.00000.00000.00000.00010.00020.00000.00000.015j(%)30.810.84.310.534.03.66.2:xg/m3,yg/mg935,:PPR2PPR:,80%,,,,;,;,,;;,,,,,,,3CMB7,CMB,,,;,5(TE)(WLS)(RR)CMB,52,PPR72Table2ContributionratesofpollutionsourcesofatmosphericparticulatesinChengduCityusingdifferentmethodsofsourcesapportionment%x1+x2x3x4+x5x6x7xjPPR41.64.344.53.66.2100TE27.25.243.86.017.8100WLS28.25.549.84.012.5100RR24.33.452.26.313.8100,5j22,PPRCMB(x7),,PPR,,4a.PPR,,PPR,,b.PPR,,,,,,c.PPR,,,d.,PPRCMB,,:[1]MikioK.SourcecontributionofatmosphericaerosolsinJapanbychemicalmassbalancemethods[J].AtmosEnviron,1990,24A(3):457466.[2]RauretG,GalceranMT,RubioR,etal.Factoranalysisforassigningsourcesofgroundwaterpollution[J].InternationalJEnvironAnalChem,1990(38):389397.[3].[J].,1994,18(2):1120.[4]HuberPJ.Projectionpursuit(withdiscussion)[J].AnnStatist,1985(13):435525.[5],,,.[J].,1994,18(2):2126.[6],,,.[J].,1994,18(2):2732.[7]FriedmanJH,StuetzleW.Projectionpursuitregression[J].JAmerStatistAssoc,1981(76):817823.0413