GIS在洪水受災(zāi)人員轉(zhuǎn)移方案設(shè)計(jì)中的應(yīng)用研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文GIS在洪水受災(zāi)人員轉(zhuǎn)移方案設(shè)計(jì)中的應(yīng)用研究姓名：藍(lán)秋萍申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：空間信息科學(xué)與技術(shù)指導(dǎo)教師：王乘李利軍20070303華中科技大學(xué)碩士學(xué)位論文IIAbstractWiththedevelopmentofGISrelateddisciplinesintegrationGISiswidelyappliedinvariousindustry.Theyincludethefloodmitigationpr

2、ojectwhichisthenonapplication.FlooddisasterlossisthemostseriouscalamityinallnaturalcalamityofourcountryAswhileasthedevelopmentofurbanismsocioeconomicthedamagescausedbyfloodsisalsogrowing.Thepaperstudythebasicprinciplesof

3、theGISwkmodelshowadesigneroftransferpeopleinthefloodcalamitypromptlytransfertheaffectedresidentstoasafeplaceatthesametimereducethelossescausedbythefloodofcasualties.Basetheroadwkanalysisestablishthewkfpersonnelaffectedby

4、thefloods.accdingtothetransferprocessbasedontheactualsituationtheideaofflooddisasteranalysisbasedon“pointlinepoint“isputfward.Thesubmersedresidentialareaareregardedasthe“SourcePoint“therefugeareregardedas“MeetingPoint“th

5、eroadareregardedas“l(fā)ine“.ProgramtodeterminetheoptimumrefugeconsiderationofvarioussubjectiveobjectivefactsgivestheprojectofevaluationindexbasedonthestatisticalanalysisofspatialAnalyticAHPtodeterminetheinfluenceofasmallmaj

6、power.GISsuperpositionmethodfchoosingtheweight.AccdingtoGISuseinflooddisasterevacuationsystemtheprojectsthatsatisfysomelimitedconditionsarepickedoutthroughtheoverlayalgithmofhierarchicalmapsinGIS.Thenusethewkoptimization

7、modeltodeterminethefinalproject.IntheSearchfthebestpathwithaviewtotheroadwksusuallyhavemanywknodes.introduceDijkstraalgithmwhichstagebyadjacencymatrixgreatlyreducingthestagespace.Trybesttopassthemainroadsotheputoutthebes