城市边缘带土壤重金属空间变异及其污染评价3

3(KZCX32SW2427)(40235054)(RURBIFARM,ContractNo:ICA42CT22002210021)­,E2mail:[e-mail]:(1977),,,,5E2mail:[e-mail]:2005-01-07;:2005-05-20311­211(1(),210008)(2,510275),14km2,,93CuZnPbCrCdHgAs,HgCd5,,;Hg,6113%Hg,,,;;;X53A-,,,,;,,,,,,,[14],,,,,,1,,,,;,,,,1515,315ms-1,76%,4117h,1025mm,214d,;,,,,431Vol143,No1120061ACTAPEDOLOGICASINICAJan.,2006©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(020cm),5m5,1Fig11DistributionofsoilsamplingsitesintheShanghaiMeishanSteelIndustryarea(1)[5]X,,SPSS1010,ArcGIS8113(1)[6],11Table1BackgroundvaluesofheavymetalsinthesoilenvironmentoftheNanjingregion(mgkg-1)ItemCuPbZnCrCdHgAsBackgroundvalue3212241876168591000119011210164043©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=Ci/Si,Pii;Cii(mgkg-1);Sii(mgkg-1)b1P=(1nni=1Pi)2+(max(Pi))22,1nni=1Pi;max(Pi)Pi,22Table2SoilqualitygradingbasedonpollutionindicesIndicesrangePi11Pi22Pi3Pi3ClassificationNotpollutedSlightlypollutedModeratelypollutedHeavilypolluted441193,3(2),20033Table3DescriptivestatisticsofheavymetalsintheShanghaiMeishanSteelIndustryarea(mgkg-1)ItemNumberMinimumMaximumAverageSDCV%Cu931912074150371481114230146Pb93231608116039114919225135Zn936010015810971262217423138Cr935511093170741281010513153Cd93011101480125010833115Hg93010811710161013354148As9331451213081162130281143,,37148mgkg-1,39114mgkg-1,97126mgkg-1,74128mgkg-1,0125mgkg-1,0161mgkg-18116mgkg-1,,54148%;,13153%7:93,Hg6113%,;2417%2,;917%3,2317%,HgCd5[6]2003(2),01060113mgkg-1,HgHg,,HgHg412,93,41:41©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:HgPbCdZnCrCuAs,Hg54145%,,4Table4DescriptivestatisticsofheavymetalsinglefactorindexoftheMeishanIndustryareaNumberMinimumMaximumAverageSDCV%SkewnessKurtosisCu9301602131111601353014511300160Pb9301953129115801402513541440195Zn9301782106112701302313801190178Cr93019311591126011713153-01990193Cd93015821531130014333116-01790158Hg93016914125510721765414511150169As93013311160177012228114-01890133,,5,1115,1118;11571160;11261127;11251126;11271134;51245105;01760176,,5Table5ComparisonbetweensoilsunderdifferentlanduseinheavymetalssinglefactorindexMetalVegetablesoilPaddysoilMinimumMaximumMeanCV%MinimumMaximumMeanCV%Cu0160213111153414101752116111826128Pb1104312911572615511042196116024103Zn0178210011262616701872106112719144Cr0195115811251418001931150112611173Cd0158215311273716101631189113426182Hg111714125512454126016912150510552186As0133111101763011101331102017625148413(C0),,;(C0+C1),C0(C0+C1),()()[7]C0/(C0+C1)25%,,;25%75%,;75%,,4243©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[8],[9],,,GS+6CuPbZnCrCdAs/25%,,Hg/4217%,25%75%,Hg,,,HgC0/(C0+C1)4213%,6Table6TheoreticalsemivariogrammodelsofheavymetalsinglefactorindicesinthestudiedsoilsandtheircorrespondingparametersFactorTheorymodelC0C0+C1Range(m)/C0/(C0+C1)RSSCu31810-3011281240310%7150E203Pb210610-20116318301216%010155Zn810-4010961470018%2186E203Cr110-4010362040013%1107E203Cd417410-20132234801417%2151E202Hg41711110453604217%2117As610-4010552140111%2108E203Nemerow212215125449504213%11180414,ArcGIS811(OrdinaryKriging),22,12,,,1,2,,,1,,,1,Hg,3,5,,As,1,,Hg,;,;,,5,,,,,,5,,Hg(),1:43©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1]..,2001,32(4):182186.ZhangY.HeavymetalpollutionofsoilandagriculturalproductsinShenyangsuburbscurrentsituation(InChinese).ChineseJournalofSoilScience,2001,32(4):182186[2],,,..,2000,17(3):165166.MaHY,NiWZ,LongXX,etal.Investigationonthevegetablefarmsoilspollutedbyzinc,copperandleadinsuburbofHangzhou(InChinese).JournalofEnvironmentandHealth,2000,17(3):165166[3],,,..,2001,(3):159162.LiQL,HuangY,ZhaoZJ,etal.AssessmentonsoilheavymetalscontentinvegetablebasesofChongqing(InChinese).Soils,2001,(3):159162[4],,..,2000,31(1):136141.YanWJ,4443©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(InChinese).ActaPedologicaSinica,2000,31(1):136141[5]..:,2000.4.RuRK.AnalyticalMethodofSoilAgro2chemistry(InChinese).Beijing:ChineseAgricultureScienceandTechnologyPress,2000.4[6],..:,1989.LiJ,ZhengCJ.DataManualofEnvironmentalBackgroundValue(InChinese).Beijing:ChinaEnvironmentalSciencePress,1989[7]CambardellaCA,MoormanTB,NovakJM.Field2scalevariabilityofsoilpropertiesincentrallowasoils.SoilScienceSocietyofAmericaJournal,1994,58:15011511[8],,..:2003,105113JiangY,LiangWJ,WenDZ.Middle2andMicro2elementsinCultivatedSoilsofShenyangSuburbs(InChinese).Beijing:ChineseAgricultureScienceandTechnologyPress,2003,105113[9]TrangmarBB,YostRS,UeharaG.Applicatio