紧凑还是分散_对中国城市在加速城市化进程中发展方向的思考

61CENTRALIZATIONORDECENTRALIZATION:THETRENDOFCHINESECITYINTHERAPIDURBANIZATIONCHENHaiyan;JIABeisiABSTRACT:Throughanalysisofstatisticsof45megacitiesinChina,thispaperdealswiththerela-tionshipbetweenurbandensityandtheurbanenvi-ronmentintheaspectofaccessibilityofpublicfacilities,usageefficiencyofinfrastructure,develop-mentofpublictransportation,percapitaconsump-tionofenergyandresourcesandenvironmentpollu-tionsinordertoprovidingamoresustainableurbandevelopmentmodeintherapidurbanizationofChina.KEYWORDS:urbanization;compactcity;environment;urbandensity;sustainabledevelopmentUrbanizationVOL.30NO.5MAY.2006622006305CITYPLANNINGREVIEWFig.1Increaseoftotalpopulation,citypopulation,percapitatillable-landareaandcitybuiltarea,1986-2000Fig.2Mainreasonsoftillable-landdecrease63UrbanizationVOL.30NO.5MAY.2006642006305CITYPLANNINGREVIEW65UrbanizationVOL.30NO.5MAY.2006662006305CITYPLANNINGREVIEW67UrbanizationVOL.30NO.5MAY.2006682006305CITYPLANNINGREVIEW69