反距离加权插值法在污染场地评价中的应用

333(,100085).,,,.,,,,,.,.1001-9332(2007)09-2013-06X171.5,X826AApplicationofinversedistanceweightedinterpolationmethodincontaminatedsiteassess2ment.YANGWen2rui,WANGRu2song,HUANGJin2lou,CHENZhan,LIFeng(StateKeyLa2boratoryofUrbanandRegionalEcology,ResearchCenterforEco2EnvironmentalSciences,ChineseAcademyofSciences,Beijing100085,China).2Chin.J.Appl.Ecol.,2007,18(9):2013-2018.Abstract:Therearemanydifficultiesinascertainingtheareathatneedstoberemediedincontami2natedsite.Thispaperintegratedtheexpertsjudgmentswithgridsasthesamplingstrategyinana2bandonedpesticideplantinnorthernChina,andappliedageostatisticalmethod,inversedistanceweightedinterpolation(IDW),tosimulatethepollutants2andriskspatialdistribution.Basedonsoilenvironmentalbenchmark,twoscenariosweredesignedforascertainingthepollutedarea.TheresultsshowedthattheareaneededtoberemediedanddeterminedbyIDWwassomewhatlarger,accordingtothenationalenvironmental2ndstandardforagriculturalsoils,buttheareaandcostneededforremedyweresmallerandmoreeconomicandreasonable,basedonthehealthriskthresh2oldlevelandIDWmethod.AcombinationofIDWandhealthriskassessmentinascertainingpollu2tedareawouldbeanewwayforsiteassessmentandsoilremediationinthefuture.Keywords:siteassessment;Nemerowpollutionindex(NPI);riskassessment;inversedistanceweightedinterpolation;soilremediation.3(70433001).33.E2mail:[e-mail]2006211230,2007206216.1,.,.50,,,,,(POPs),[2].[11-13].,,.,,.,,,,,,,20079189ChineseJournalofAppliedEcology,Sep.2007,18(9):2013-2018,,.,,,,.,,.2211,4m2,,,2080,,2005,,.pH715915,,.212,,,.,12m12m,,.SH30,1,,.2080180380cm,,,500600cm..213,,(HCH)(DDT).,,,1060100[8].GB/T1455093,HCHDDT.ExcelArc2GIS910.21421411(GB156181995),[9].P=CiSi2+CiSi2:Pi,P1,P1,P,;Cii(mgkg-1);Sii(mgkg-1),HCH0105mgkg-1,DDT0105mgkg-1.21412EPA,,.[4]:ADD=CIRED10-6/(BWAT):ADD(mgkg-1d-1);C(mgkg-1);IR(mgd-1);ED(d);BW(kg);10-6;AT(d)..[3]:R=ADDQ:R(a-1);ADD(mgkg-1d-1)(70);Q(kgdmg-1),EPA,HCH118kgd-1mg-1;DDT0143kgd-1mg-1((HJ/T251999):HCH113kgdmg-1;DDT0143kgdmg-1).,(1).1Tab.1DailyintakeparameterofsoilfordifferentpeoplegroupsAgeDailyintake(mgd-1)Yearlyexposuretime(da-1)Averagebodymass(kg)OrdinaryclimateChildren1630021020Teenagers71820012045Adults196010012060Elders607020015050DustyclimateAlltypes-100020-,Theco2efficientswerereferredtoGuidestoFieldsEnvironmentalAssessmentandmodi2fiedforthedustweatherinNorthChina.4102181Fig.1SpatialdistributionofNPIindifferentsoildepths.A:20cm;B:80cm;C:180cm;D:380cm;E:500cm.Thesamebelow.,,10-6a-1[10]..,.10-6a-1.21413[5,7],,,;[16].51029:2DDTFig.2SpatialdistributionofthechildrenshealthriskbyHCHandDDTindifferentsoildepths(10-6).610218,,[10].ArcGIS910IDW,.3311,(1).1,.0180cm,380cm,.(GB156181995),.,0180cm,180500cm,167200m3.312,(2).,4,,.,,,.ArcGIS,(3),130400m3.313,(GB156181995),,,(015mgkg-1),.,,,(HCH2119mgkg-1;DDT814mgkg-1).(HJ/T251999)HCH51mgkg-1,DDT195mgkg-1),,.[6],.3Fig.3Areaneededforremedybasedonchildrenhealthriskassessment.17:Samplingsites.1)0500cm;2)0180cm,380500cm;3)0380cm;4)0180cm,380500cm;5)0380cm;6)0180cm;7)0180cm.4,,,,,.,[14-15],..,:1),[1].,,,,.71029:,,,.2)[17]..,,(),,,.3).,,,,.[1]ChangKT.2002.Trans.ChenJ2F().2003.IntroductiontoGeographicInformationSystems.Bei2jing:SciencePress:245-254(inChinese)[2]ChenH2H(),ChenH2W(),HeJ2T(),etal.2006.Health2basedriskassessmentofcontaminatedsites:Principlesandmethods.EarthScienceFrontiers(),13(1):216-223(inChinese)[3]ChenYC,MaHW.2006.Modelcomparisonforriskassessment:Acasestudyofcontaminatedgroundwater.Chemosphere,63:751-761[4]EPA.1992.GuidelinesforExposureAssessment.Wash2ington,DC.FederalRegister,57(104):22888-22938[5]GuoX2D(),FUB2J(),MaK2M(),etal.2000.SpatialvariabilityofsoilnutrientsbasedongeostatisticscombinedwithGISAcasestudyinZunhuaCityofHebeiProvince.ChineseJournalofAppliedEcology(),11(4):557-563(inChinese)[6]JiangL(),WangY().2004.GuidestoFieldsEnvironmentalAssessment.Beijing:ChinaEnvironmentalSciencePress:42-67(inChinese)[7]JiangY(),ZhangY2G(),LiangW2J(),etal.2003.Spatialvariabilityofsoilnutri2entsincultivatedsurfacesoilofSujiatunDistrict,Shen2yangCity.ChineseJournalofAppliedEcology(),14(10):1673-1676(inChinese)[8]LuR2K().2000.AnalyticalMethodofSoilAg2ro2chemistry.Beijing:ChineseAgriculturalScienceandTechnologyPress.(inChinese)[9]LuY2S().1999.EnvironmentalAssessment.Shanghai:TongjiUniversityPress:531-557(inChi2nese)[10]QuC2X(),JiangY(),WuY2P(),etal.2006.Studyonthedevelopmentofachoro2plethatlasoncancermortalityusingtheinversedistanceweightinterpolationinthe1990s.ChinaJournalofEp2idemiology(),27(3):230-233(inChinese)[11]Wcis²oE,IovenD,KucharskiR,etal.2002.Humanhealthriskassessmentcasestudy:AnabandonedmentalsmeltersiteinPoland.Chemosphere,47:507-515[12]WuS2T(),WuX2F(),HuY2L(),etal.2004.StudiesonsoilpollutionaroundPb2Znsmeltingfactoryandheavymetalshyperaccumula2tors.EcologyandEnvironment(),13(2):156-157(inChinese)[13]ZhaoQ2N(),XuQ2X(),YangK().2005.Applicationofpotentialecologicalriskin2dexinsoilpollutionoftypicalpollutionindustries.Jour2nalofEastChinaNormalUniversity(NatureScience)(),(1):111-116(inChinese)[14]ZhengH2L(),ChenJ(),DengW2J(),etal.2006.Spatialanalysisan