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1、GIS技术及其在环境保护中的应用GIStechnologyanditsapplicationinenvironmentalprotectionjoinedthecollectionSitemapWebsearchJianfannioHomenews,dynamicindustryactivity,GISsurvey,GISclassroom,GISresearch,GIScommunitysoftwareapplication,electronicmagazine,jobrecruitmentb
2、logtopicHotpicturesHomepage一GISresearch一industryapplicationsReadingnewsGIStechnologyanditsapplicationinenvironmentalprotection[date:2005-03-22]source:JilinInstituteofenvironmentalprotection,author:LiLi,ZhangWeizhi,ChenWenying[font:large,medium,small.
3、Abstract:onthebasisofabriefintroductiontothecharacteristicsofGIStechnology,thispapercomprehensivelyexpoundstheapplicationofGIStechnologyinthefieldofenvironmentinourcountry.Keywords:geographicinfonnationsystem;environmentalprotection;applicationCLCnum
4、ber:X321.29GeographicInformationSystem(GeographicInformation)SystemreferredtoasGIS)isanewtechnologydevelopedwiththedevelopmentofgeographicalscience,computertechnology,remotesensingtechnologyandinfonnationscience,isacomputerinformationsystemrelatedtot
5、hespatialdatacollection,management,analysisandvisualizationofoutput・GISoriginatedintheearly1960s・In1972,theworld，sfirstphysicalinformationsystem,theCanadiangeographicinformationsystem(CGIS),wasputintofulloperation.Sincethen,thegeographicinformationsy
6、stemhasobtainedarapiddevelopmentintheglobalscope,inthewesterndevelopedcountriesGISapplicationhaspenetratedintoallaspectsofsocialandeconomiclife,hasbeensuccessfullyappliedtoresourcemanagement,environmentalprotection,disasterprediction,investmentevalua
7、tion,cityplanningandconstruction,commercialandpopulationmanagement,transportation,oilandnaturalgas,education,militaryandotherfields・InChinawiththerapiddevelopmentofeconomicconstruction,GISplayedanimportantroleincityplanningandmanagement,environmental
8、protection,transportation,disasterprevention,agriculture,forestryandotherfields,andachievedgoodeconomicandsocialbenefits・1GIStechnologyanditscharacteristicsGISsystemisadatabasemanagementsystem(DBMS)andcomputeraideddesign(CAD)twosoftwaredevelopmenttec
