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1、GIS在防汛抗旱指挥决策系统的典型应用Geographicinformationisoneoftheimportantbasicworkofwaterconservancy,thetraditionalmanualmanagementofgeographicinformationhasbeeneliminatedbytheprogressofscieneeandtechnology,waterconservancyindustryrequirestheuseofadvaneedinformationmanagementtoolstoim
2、provetheworkefficiencyandmanagementlevel,GIStechnologyforwaterconservancyinformationmanagementstandardization,network,spaceanddecisionthescientificprovidesaneffectivetool.ApplicationofGISinwaterconservancyindustry:Waterandsoilconservation;RiverBasinplanning;Waterresource
3、sprotection;Hydrologicalmonitoring;Irrigationanddrainagemanagement:Waterconservancyfacilitiesmanagement;Waterconservancyprojectplanningandmanagement;Floodforecastingandevaluation;Floodroutingsimulation;Floodinundationsimulation;Disasterstatistics;Floodcontrolcommandanddi
4、spatch;Floodcontrolmaterialdispatching;Routeselectionofpersonnelmigration;Floodpreventionplanmanagement・ThispaperintroducesthetypicalapplicationofGISinfloodcontrolanddroughtreliefcommandanddecisionsystem:13Sintegrateddatamanagement1.1basictopographicmap,thebasictopograph
5、icmapincludesroads,organs,units,factoriesandmines,communities,villagesandtowns,contourlinesandotherrelatedinformation.1.2,waterconservancyprofessionalmap,waterconservancyprofessionalmap,ineludingreservoirs,rivers,waterconservancyprojects,damirrigationarea,observationfaci
6、litiesandwaterconservancycommunicationfacilitiesandotherfactors.1.3floodcontrolanddroughtreliefplans,floodcontrolanddroughtreliefplansrefertoinformationrelatedtofloodcontrolanddroughtrelief・1.4remotesensingimagemap:satelliteremotesensinghastheadvantagesoflargeimagingarea
7、,rapidimaging,monitoringthedisastersituationanddynamicchangesofthedisastersituation,andcanplayagreatroleinfloodcontrolanddroughtreliefwork・Thiscandeterminethelikelihoodofdisasterandtheconsequencesofthedisaster・1.5digitalelevationmodel(DEM)dataplaysanimportantroleinfloodc
8、ontroldecision-making,systemcanthroughthree-dimensionalelectronicsandorthree-dimensionalmap,andoverlayo
