简介:摘要:本文探讨了 GIS 技术在工程地质勘察中的应用价值和未来展望。首先介绍了 GIS 技术在工程地质勘察中的应用价值,包括提高勘察效率和准确性、实现数据共享和管理、便于地质数据的可视化等方面。接着,针对工程勘察项目,详细介绍了 GIS 技术在该项目中的具体应用,并结合实际数据和表格进行了分析。进一步探讨了 GIS 技术在数据收集和处理、数据分析和模型构建、项目管理等方面的优势和不足之处,并提出了相应的优化措施。最后,展望了 GIS 技术在工程地质勘察中的未来发展方向,包括更加智能化、精细化、集成化和可视化等方面。综合来看,GIS 技术在工程地质勘察中具有广泛的应用前景和巨大的发展潜力。
简介:ABSTRACT AGISisproposedasatoolforthemanagingplanfortheAntarcticspeciallymanagedarea(ASMA)inAdmiraltyBay.TheASMAcomprisestheareaconsideredtobewithintheglacialdrainagebasinofthebay.Furthermore,itincludespartofSSSINo.8adjacenttotheareabutoutsideoftheglacialdrainagebasin.Threestationsandsixrefugesarelocatedinthearea.UsingaSPOTsatelliteimagemap,thelimitsoftheASMAaremarkedanditsareaisre_calculated.Itconsistsof362km2,including186km2islandicefieldandsmallcirqueglaciersand32km2ice_freefield.Therestcompriseswaterofthebayandasmalladjacentarea(8km2)oftheBransfieldStrait.TheASMA_GISwillconsistsof12datalayersrangingfromthephysiographicsettingstothebiologicalandadministrativefeatures.AlldatawillbeimplementedintoArc/InfoGISaccordingtothecartographicguidelinesoftheSCARWG_GGI.First,fiveplansofinformationwillberealisedusingatopographicdatabasecompiledfromvarioussourcesanddatafromtherevisedbathymetricchartpublishedbytheBrazilianNavyHydrographicSurveyandalsoincluding:1)LimitsoftheASMAandprotectedareas;2)Glaciologicalfeatures(e.g.drainagebasinlimits)and3)Humanpresence(e.g.stationsandhistoricalsites).ThesebasicGISlayerswillbeoperationalinearly2001.Then,additionaldataontheremaininglayers(e.g.hydrology,geologyandgeomorphology)willbeincludedfrompublishedsources.TheASMA_GISwillformanimportantdatabaseforenvironmentalmonitoringandstudiessurveyingtemporalchangesoffeaturessuchasglacierfrontpositionsorbirdbreadingsites.
简介:Theauthorsstudythestructure,functionsanddataorganizationforthehazardanalysissystemofurbanpost-earthquakefireontheplatformofGIS.Ageneralhazardanalysismodelofthepost-earthquakefireispresented.TakingShanghaicentraldistrictasbackground,asystemforhazardanalysisofthepost-earthquakefireandauxili-arydecision-againstfireisdeveloped.