ISSN1009 8984ӉԽ۽ӱ࿐ჽ࿐Б(ሱಖ॓࿐ϱ)2009୍ֻ10जֻ2௹17/32CN 22 1323/.(),2009,, 59矿产资源预测中的GIS支持下专家证据权重法张金英,谷 松(ୡֹᇉ۽ӱᆯြ࿐ჽ,օת118008)ᅋ ေ:专家证据权重法是一种立足于数据的空间位置关系,借助1 ህࡅᆣऌಃᇗمGIS平台提取相关各证据因子,根据专家知识库对各证据因子赋予权重,实现对研究程 ህࡅᆣऌಃᇗمჰ度较低地区矿产资源的有效的预测评价bህࡅᆣऌಃᇗمଆ൞၂ᇕ০ႨಒקঀӁྙӮܱՍ:专家证据权重法;矿产资源预测;GIS֥ުဒۀ:ੱ࠻ॉ੮ֹᇉթᄝ֥ᅳঀಃᇗ,Ⴛॉ੮ֹᇏٳোݼ:P62໓ངѓ്:Aᇉၹಌാ֥ᅳঀಃᇗbൌ࠽ഈ,ުဒۀੱࣼ൞ᄝ໓ᅣщݼ:1009 8984(2009)02 0057 03༵ဒۀੱ֥ࠎԤഈ๙ݖؓᆣऌಃ֥ᆞaڵןࡆটಁק࣮Ⴕ০Ӯঀ໊֥҆ඔ࿐ଆ,൞ᄝᄎႨGIS఼նֹ֥ؓ࿐ᇏ؟ჷྐ༏ࣉྛٳ༅ѩႵིሸކ0 ႄԩ֥ۿ,ିᄝყҩԛ֥ঀӁӁԛॢࡗ໊ᇂ֥ࠎԤֹྐ༏༢(GeographicInformationSystem,ഈ,ࣉྛ֥ᄝॢࡗ໊ᇂቋႵིaቋᆰࢤ֥іղྙഈࡥӫGIS)ߌ༯֥ঀӁሧჷࡎٚم൞ࣉྛঀӁ֥၂ᇕҠቔbሧჷࡎॹطႵི֥ٚمᆭ၂,ऎႵԮঀӁሧህࡅᆣऌಃᇗم֥ඔ࿐ჰೂ༯:ჷࡎٚممб֥ႪׄbఃᇏAgterberg֩[1,2]ࡌഡ࣮Ф߃ٳӮູT۱֩նཬ֥ຩ۬(ބBonhamCarter֩[3 5]ิԛ֥ᆣऌಃᇗم(Weightsთ߃ٳຩ۬ֆჭေၛЌᆣ၂۱ຩ۬ᇏᇀ؟ԛགྷ၂۱ofEvidence),ࣼ൞ࠎႿGISᆦӻ༯֥ঀӁሧჷࡎၘᆩঀູׄࠎԤ),ิ౼ਔၛ༯ྐ༏,ఃᇏႵD۱ຩ֥ᇶေٚمᆭ၂bᆣऌಃᇗم൞၂ᇕ৫ቀႿඔऌ֥۬ֆჭݣႵၘᆩঀ(Ե),ׄഈඍิ౼֥ૄ۱эਈुॢࡗ໊ᇂܱ༢,ࢲކGISඌؓ۲ᇕႵ০Ӯঀၹቔ৫֥ᆣऌၹሰ(ၛ༯ӫᆣऌၹሰ),ؓႿၩ၂ࣉྛႵི֥aሸކ֥ყҩࡎ,๙ӈႨႿाฐӱ؇۱ᆣऌၹሰ,ఃؓӮঀ܊ང֥ಃᇗקၬ:ູࢠۚaඔऌбࢠپڶֹ֥bطؓႿֹᇉ࣮ӱ؇֮a࣮ӱ؇҂नaֹᇉܒᄯМࣟҵၳն࣮֩w+P(B/D)=lnP(B/D (1))ࣼ߶ุགྷԛყҩ҂ሙಒaࣚ؇֥֮ಌׄbૌ০Ⴈᆣऌಃᇗ࠹ෘٚمᇏ֥ᆩ്౺,ࡼ࣮֥ࠎԤw-P(B /D)=lnP2)(B/D()ֹᇉaთӮঀܿੰׅࠣঀԵ࣮֩ٚ૫౼֤֥ൔᇏ,Bູᆃᇕၹሰ҂թᄝ֥ຩ۬ֆჭሹඔbಪ്ቓູ ᆩ്༢!,Ϝ ᆩ്༢!ބ ᆣऌಃᇗ০Ⴈᆣऌಃᇗم࠹ෘԛ۲۱эਈ֥w+ބw-ᆴ;ؓم!ࢲކఏট,ࡹ৫ ህࡅᆣऌಃᇗم!,ѩؓঀӁሧႿn۱ᆣऌၹሰ,ૌܱႿঀ่ׄࡱ৫,࣮ჷࣉྛקਈყҩބࡎbھٚمԉٳ০ႨགྷႵ֥ᆣၩຩ۬ֆჭkູঀ֥ׄॖିྟ,Ⴈުဒࠫੱؓऌಃᇗଆ,ࡹ৫ଆ֥ᆣऌၹሰಃᇗ൞Ⴎֹᇉඔіൕູ:ࡅ۴ऌᆩ്༢ದູഡק֥,ྶؓᆣऌၹሰࣉln{O(D/Bk1Bk2∀Bknn}=!jWkj+lnO(D)(j=1,ྛ่ࡱ৫ྟဒ,Ֆطቋᇔൌགྷ࣮ؓӱ؇ࢠ֮2,3,∀,n)(3)ֹॹaႵֹིࣉྛঀӁሧჷקਈყҩࡎ۽ቔbw+Wkj=w-(4)൬۠ರ௹O:2009-04-13ቔᆀࡥࢺ:ᅦࣁႇ(1969-),୯(ડ),ୡօת,ڬ࢝൱ൔᇏ:Wkj ֻj۱ၹሰ֥ಃᇗ;ᇶေ࣮ঀӁ௴Ұაाฐbw+ ᆣऌၹሰթᄝ֥ಃᇗᆴ;
58ӉԽ۽ӱ࿐ჽ࿐Б(ሱಖ॓࿐ϱ)2009,10(2)w- ᆣऌၹሰ҂թᄝ֥ಃᇗᆴ;ྟބܒᄯaֹ౯߄࿐aݴՈࠣᇗေֹ౯ބဪۋO ჰඔऌಌാൈ֥ಃᇗᆴbሧਘაঀӁሧჷཌྷܱ֥ሧਘ,ѩؓఃࣉྛೱ࿊a݂ᄵ۴ऌഈඍ܄ൔ,ުဒۀੱ:ູବaࢳაሹࢲѩࣉྛඔሳ߄ԩ,ࡹ৫؟ჷֹ࿐ྐP=O/1+O(5)༏֥ॢࡗඔऌ९bުဒۀੱPսіਔֆჭଽᅳঀ֥Ⴕ০؇(2)۴ऌૌ൬࣮֥ࠢࠎԤֹᇉሧਘࢲކ,۴ऌުဒۀੱิԛᅳঀჹࣟb॥ঀֹᇉၹაঀԵঀԵ(ׄ)Ӯঀܿੰ,ࡹ৫࣮ঀԵ֥Ӯঀଆbᆭࡗ֥ܱ৳ྟ఼,ॖၛ๙ݖᆞڵಃ֥ҵᆴնཬট(3)۴ऌӮঀଆ,ᅳԛھোঀԵ֥ᅳঀѓ؇ਈbᆽࠣ॥ঀֹ֥ᇉၹb(4)০ႨGIS֥ॖ൪߄ॢࡗٳ༅ۿି,࣮ٳ ᆣऌၹሰ֥ಃᇗಒק[6 8]ᆣऌၹሰ֥ಃᇗсྶႮֹᇉህࡅ۴ऌᆩ്༢༅ᅳঀѓᆽ֥ٳ҃ܿੰބॢࡗܱ༢,ູঀӁሧჷყটಒקb൮༵קၬྴঀԵ(ׄ)ቔູׄট॥ҩյࠎԤbᇅ۲ᆣऌၹሰ֥ಃᇗᆴ,ၹູ۲ᆣऌၹሰ֥ಃᇗᆴ ࠎႿGISᆦӻ༯ህࡅᆣऌಃᇗم֥ঀӁყҩ҂ିᆰࢤഡק,ླौದູ॥ᇅ۲ᆣऌၹሰթᄝ֥༢ൌགྷྴঀԵ(ׄ)ඔ֥Ϥٳбটקၬ,ఃᇏྴঀԵ(1)۴ऌGIS֥ॢࡗԩބٳ༅,ิ౼॥ঀ֥ᆣऌၹሰ,ѩࢲކֹᇉህࡅ֥ൌֹ࣮ՖঀԵӮঀ(ׄ)ࠇӫྴׄѩ҂൞ൌ࠽թᄝ֥ঀԵ(ׄ),֥॥ᇅၹᇏิ౼ԛః֥ᆣऌၹሰb္ીႵऎֹุ໊֥ᇂ,ࣇ܂ഡקᆣऌၹሰಃᇗႨ,(2)ህࡅᆩ്༢۴ऌૄ۱ၹሰؓঀԵྙӮ෮ऎุഡקϷمࣼ൞๙ݖטࢫ۲ᆣऌၹሰթᄝ,ଽቓ܊ང֥նཬ,ٳљؓૄ۱ၹሰڮჍཌྷႋ֥ಃᇗᆴbྴׄ෮ᅝϤٳбট॥ᇅھᆣऌၹሰ֥ᆞಃಖު࣮ؓaֆჭ۬૫ࠒaྴঀԵ(ׄ)֩ҕඔᇗ,ᆃဢ,ھᆣऌၹሰ҂թᄝଽྴׄ෮ᅝϤࣉྛഡᇂ,ऌՎ࠹ෘԛ༵ဒۀੱbٳб္ࣼ൞ಒק֥,ࠧఃڵಃᇗ္ෛࠧಒקbᆃ൞(3)۴ऌ෮ഡק֥۲ᆣऌၹሰ֥ಃᇗᆴބ༵ဒၹູֆჭ۬૫ࠒቀܔཬൈ,ᆣऌၹሰ֥ᆞಃᇗw+ൌۀੱট࠹ෘ࣮֥ުဒۀ,ੱοުဒۀੱ࠹ෘ֥࠽ഈࣼ൞Elliot֩(1992)קၬ֥ׄ ѓሙ߄ૡ؇!ࠧࢲݔಒק۲ࠩყҩϛ,ቋᇔളӮঀӁჹࣟࡎ,ND֥ሱಖؓඔ[9],ఃᇏ: ND=ᆣऌၹሰᇏঀԵఃᇶေ֥۽ቔੀӱ1b(ׄ)ඔᅝሹঀԵ(ׄ)ඔ֥Ϥٳб/ᆣऌၹሰթᄝ૫ࠒᅝ࣮ሹ૫ࠒ֥Ϥٳб!b[10,12 ࠎႿG1]ISᆦӻ༯֥ህࡅᆣऌಃᇗم֥ൌགྷGIS൞ֹؓ౯ॢࡗඔऌҐࠢaթԥa۷ྍaҰ࿘෬aԩaٳ༅aࡹଆaཁൕaൻԛ֥֩࠹ෘࠏ༢,္ӫູॢࡗඔऌ֥ܵ༢b๙ݖֹᇉྐ༏ඔऌ֥Ґࠢ,ࣉྛყඔऌԩ#ࡹ৫ॢࡗྙࠣඋྟඔऌ९#ཌྷܱԩ#ವކԩ#ଆൔ#ଢѓྐ༏്љ#ሸކყҩ༢,ᄜ۴ऌ۲ᇕॢࡗٳ༅ٚمؓ۲ᇕ҂֥ॢࡗྐ༏ࣉྛሸކٳ༅ࢳ,ࢳथॢࡗൌุᆭࡗ֥ཌྷܱ༢,ٳ༅ᄝ၂ק֥თଽؿള֥۲ᇕགྷའބݖӱࣉطࣉྛॢࡗყҩ GIS֥ঀӁሧჷყҩٚمࠎႿGISঀӁሧჷࡎყҩ֥ᇶေༀ൞ᄝ࣮ؓଽ֥ሧਘࣉྛԉٳ࣮֥ࠎԤഈ,০ႨGISิ܂఼֥ն֥ॢࡗٳ༅aඔऌԩބپڶ֥ྙі1 ࠎႿGISᆦӻ༯ህࡅᆣऌಃղۿିᇗم֥ঀӁყҩ༢۽ቔੀӱ,ປӮֹؓᇉaֹ౯aֹ౯߄࿐ၳӈྐ༏֥ิ౼ބٳ༅,ࡹ৫ਔሸކྐ༏ყҩଆ,ః҄ᇧೂ༯:3 ࢲე(1)൬࣮ࠢଽႵֹܱ֥ᇉaঀׄٳ҃aֹ༯ᄝGIS֥ᆦӻ༯,ࡼህࡅᆣऌಃᇗمႋႨႿঀ
ᅦࣁႇ,֩:ঀӁሧჷყҩᇏ֥GISᆦӻ༯ህࡅᆣऌಃᇗم59Ӂყҩ,ؓ؟টჷa؟Ԅ؇֥҂ྐ༏ॖၛࣉྛॹ[7]ݢകဝ,ޥ߲ಕ,ߛඎล.ࠎႿ֥ᆣऌಃᇗaႵི֥ሸކԩაٳ༅,ࠞնֹิۚਔඔऌაمᄝҪࡗသ߄ջ೩Ⴐঀקਈࡎᇏ֥ႋႨ[J].ࡱ֥ԩ؇,ყҩࢲݔ۷ग़ܴbᆌ࣮֥ؓฐა߄ฐ,2002,26(06):443 449.ঀԵ[8]נౢڂ,پᄅ.ህࡅᆣऌಃᇗمࠣఃᄝתঐֹ֥(ׄ)ඔଢഒaֹᇉ࣮ӱ؇,֮๙ݖֹᇉህࡅ࣮ؓࠎԤֹᇉaӮঀ่ࡱaӮঀܿੰބᅳঀଆႋႨ[J].ֹᇉაाฐ,2005,41(04):88 94.֥֩བྷ࣐࣮,۴ऌૄ۱ၹሰؓঀԵྙӮ෮ቓ܊ང[9]KempL D,Bonham-CarterG F,RainesG -WofE:ArcViewextensionforweightsofevidencemap ֥նཬ,ؓૄ۱ၹሰڮჍಃᇗᆴ,၇ՎটყҩӮঀჹping.[OL].http://gisnrangcca/software/arcview/wofe,ࣟ,֤ঀӁყҩࡎ۷ࡆሙಒaᇆି߄,ѩູঀ1999.Ӂሧჷყҩิ܂၂ᇕྍ֥ٚمࠇ൭؍b[10]ߛݚڂ,ိᆒ,נᆒई.ࠎႿGIS֥ᆣऌಃᇗمᄝӮঀყҩᇏ֥ႋႨ ၛۅസᖾཅ ড়ཅֹ֥ࣁঀҕॉ໓ངყҩູ২[J].ֹᇉ॓౦Б,2003,22(03):77 82.[1]AgterbergF [11]ཟᄎԫ,฿བ,ဗᇰ༗.षؿ০Ⴈֹྐ༏༢[J].Science,1989,(245):76 81.(GIS)ሸކٳ༅ֹ࿐ྐ༏ࣉྛঀӁყҩ[J].ฐა߄[2]AgterbergF P,Bonham-CarterG F,WrightD F.ฐ,1996,20(01):1 [A].GaalG,MerriamD ExpertevidencemethodofweightingsourceExplorationandAssessmentforMineralsandPetro inmineralresourcesforecastingwithGISleum[C].Pergamon:Oxford,1990.[3]Bonham-CarterG F,AgterbergF P,WrightD -ying, (LiaoningGeologyEngineeringVocationalvaScotia[J].PhotogrammetryandRemoteSensing,1988,(54):1585College,Dandong118008,China) 1592.[4]Bonham-CarterG F,AgterbergF P,WrightD :WiththehelpofGIS,expertevidencemeth Weightsofevidencemodelling:anewapproachtomappingodofweightingextractfactorsrelatedtotheevidencemineralpotential[A].Bonham-CarterG F,Agterbergbasedondatawhichisinthespatialrelationship,thisF [C].methodistruethequantitativepredictionandevalua Geologica:lSurveyofCanada,1989,80(09):171 183.[5]Bonhtionformineralresourcesinthelowdegreeofresearcham-CarterG :ModellingwithGIS[M].Pergamonregionbasedongiventheweightfactorbyexpert:Ox ford,.[6]ᅦཫफ,ᅦन,ౕईড়,.֩ԫ༆Кࣁঀ֥ᆣऌಃଆࠣఃყKeywords:expertevidencemethodofweighting;min ҩႋႨ[J].ֹۚᇉ࿐Б,2000,6(04):554 ;GIS
