Application-of-Digital-Technology-in-Urban-Green-S

ApplicationofDigitalTechnologyinUrbanGreenSpaceSystemPlanningYueweiZhuCollegeofCivilEngineeringandArchitecture,ZhejiangUniversityofTechnology,Hangzhou,ZhejiangProvince,collegeundergraduateAbstractWiththedevelopmentofinformationtechnologyanddigitalcityconstruction,urbangreenspaceplanningasanimportantpartofurbanplanning,alsodeveloptothedigital-direction.AtsomeurbangreenspacesystemplanninginChina,usingdigitaltechnologybuildsupinformationplatformfortheindustry,andachievesameticulousandscientificmanagement.Thispapermainlyexpoundsthefollowingaspects：thedeficiencyofChina'scurrenturbangreenspaceplanning,theapplicationofdigitaltechnologyinurbangreenspaceplanning，andthemethodofurbangreenspaceplanningbasedonGIS.Intheplanningandconstructionofurbangreenspace,urbanplannersaremoreabletoplanninganddesignthroughdigitalgreensupportsystem,andthenefficientlycompletetheplanningwork.Thereferencedatawhatplanningneedsismoreaccurate,urbangreenspaceplanningisalsomorescientificandreasonable.Keywords:Digitalcity;Greenspace;GIS1.IntroductionWiththefastdevelopmentofmoderninformationtechnology,digitalcitywaspromotedasanewconcept.Itisathree-dimensionalvirtualspacewhatcombinedcitygeographicinformationandotherrelevantinformationofthecity,andstoredinthecomputeronthenetworkforremoteuserstovisit.Digitalcityincludesseveralofinformation,coversandcontainseverything,relatedtourbanplanning,constructionandmanagementetc.Withthehelpofthedigitalcitysystemplatform,urbangreenspacesystemplannercanquicklyandaccuratelydealwiththecitygreeninginformationcollection,storage,retrieval,processingandanalysis,improvetheefficiencyandqualityofinvestigationworkstatusofthecitygreen.Urbangreenspacesystemplanningisavitalroleinurbanconstruction,ithasanimportanteffectonimprovingtheurbanecologicalenvironment.Alogicalgreenspaceplanningcanenhancequalityofcitizen’slife,andevenchangetheirlifestyle,andhasnon-substituteadvantageinimprovingthecityenvironmentqualityandpromotingthesustainabledevelopmentofcity,itisanimportantindicatortomeasuretheurbancomprehensivedevelopmentlevel.Therefore,accuratelyandquicklyunderstandthecitylandscapingandgreeningconstructionstatusandmanagementlevel,isthecomprehensivebenefitofthecorrectevaluationofcitygreenspace,theobjectiveanalysisoftheproblemsintheconstructionofcitygreening,reasonablepreparationofcitygreenspacesystemplanning,basedonscientificandeffectivemanagementofcitygreenspacework.Underthebackgroundofdigitalcity,urbangreenspacesystemplanningshouldchangetheideaofplanningandupdatetheplanningmethodtofitthedevelopmentoftimes,andguaranteescientificrationalityofurbangreenspacesystemplanning.2.AnalysisofproblemsinurbangreenspacesystemplanninginChinaDevelopedcountriesintheworldofurbangreenspacesystemstartedearlier,hasthegreenandnaturalintegrationintothecity,theestablishmentofacompletegreennetworkandotheraspectsofthecityhasmadegreatachievements.However,duetovarioushistoricalandpracticalreasons,thereisalargegapbetweenChina'scitygreeningandtheoveralllevelofthedevelopedcountriesintheworld,inthecitygreenspacesystemplanningandconstructionstillexistmanyproblems,theseproblemsmainlyin:2.1.Planningofheavyconstruction,lightgreenInChina,urbangreenspacesystemplanningistheoverallplanningofthecityplanning,itisanecessary,ContactAuthor:ZhuYueweiCollegeofCivilEngineeringandArchitecture,ZhejiangUniversityofTechnology,Hangzhou,ZhejiangProvinceTel:[phone]e-mail:[e-mail]ingduetotheoverallcityplanningandurbangreenspaceplanningisasinglemaster-slaverelationship,leadingtothecitygreenspaceoftenisinthesecondaryposition,intheplanningandcoordinationisverypassive.Usuallyfirstinaccordancewiththeplanningofalargeareaofavarietyofindicatorsofthebuilding,andtheninthephysicalconstructionoftheopenspaceonasimplegreenplanning,difficulttoreachtheurbangreenspaceplanningstandards.Nationwide,by2014,theurbanpercapitapublicgreenspaceis12.79squaremeters,byMarch2016,theurbanpercapitapublicgreenspaceis13.16squaremeters,althoughsince2003,Chinesecitypublicgreenlandpercapitaisrising,thelevelofcitygreeningisnotacountry.Atpresentnearly700citiesinChina,thenumberreachednationalⅠandⅡgradeoftheurbanpercapitapublicgreenspaceislessthan300.Andthepercapitapublicgreencityindexindevelopedcountriesthereisstillacertaindistanceof20squaremeters.Theprocessofurbanizationisacceleratinginrecentyearsinmanycityduetothedirecteconomicbenefitsofthelandbroughtbytheoldcitygreeningfacilitiesforarelativelysmall,moreandmorecommercialofficelandoccupation,citygreenareahasnotincreasedbutdecreased.Fig.1.Thetendencyofurbanpercapitapublicgreenspace,2003-2014,ChinaFig.2.Theurbanpercapitapublicgreenspaceforcities,2014,China2.2.LackofplanningandcoordinationWiththeimprovementoflivingstandards,peoplelivingenvironmentfromthebasiclivingspaceintheattentiontotheresidentialspaceenvironmentconcerns.Withtheoveralllayoutoftheheavyconstructionlightgreen,itwillbedifficulttoaccept,soonlytheoverallcityplanningandurbangreenspaceplanningandcoordination,toformspecialinteractionthegreenspaceplanningandoverallplanning,toac