改革开放以来芜湖市城市空间扩展及驱动力分析.pdf

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1、2015年第3期总第143期文章编号：1003．2398(2015)03—0072．07DOI：10．13959~．issn．1003．2398．2015．03．011改革开放以来芜湖市城市空间扩展及驱动力分析袁甲，沈非，黄薇薇，付文凤。(1．安徽师范大学国土资源与旅游学院，芜湖241003；2．安徽自然灾害过程与防控研究省级实验室，芜湖241003；3．南京农业大学公共管理学院，南京210095)ANAISISONURBANSPIATIALEXPANSIoNANDITSDRIVINGFORCESINrIIISINC

2、EREFOIMANDOPENINGUPYUANJia，SHENFei，HUANGWei—wei，FUWen—feng(1，CollegeofTer~totialResourcesandTourism,AnhuiNormalUniversity,Wuhu241003,China,2．AnhuiKeyLaboratoryofNaturalDisasterProcessandPrevention,Wuhu241003,China,"3．CollegeofPublicManagement,NanjingAgricultura

3、lUniversi06Nanjing210095,China)Abstract：WiththerapiddevelopmentofsocialeconomyinChinasincethereformandopeningup，thepro—tessofurbanizationisspeededup．Urbanspatialexpansionisoneofthenotablefeaturesofurbanization，analysisofurbanspatialexpansionhaveagreatbenefitsto

4、predict，guideandregulatethefuturedevelop—mentofthecity,analyzeandsettletheproblemsinthecity’Ssocialandeconomicdevelopment．ThispapertakesWuhuCityasanexample，whichislocatedinthesoutheastofAnhuiprovince，CentralChina．Therehasbeenarapiddevelopmentinitsurbanizationan

5、dobviouschangesintheurbanspatialexpansionsincethereformandopeningup．Torevealthedynamicsofurbanspatialexpansion，LandsatMSS／TM／ETM+re-motesensingimagesindiferentperiodwereusedasdataresource，withthehelpofRSandArcGISsoftwareplatform，thespatialexpansioninformationof

6、WuhuCitywasextractedbyman—machineinteractivemethodfrommulti-temporalsatellite．Thenselectsomeindexessuchasspeedofurbanspatialexpansion，expansionintensity,compactratio，fractaldimension，centercoordinatesandelasticitycoeficientandusesomedifer—entresearchmethods，for

7、instancespatialformanalysis，overlayanalysis，fansanalysis，thetemporalandspa—tialexpansioncharacteristicsofWuhuCityaswellastheirdrivingforcesweresystematicanalyzed．There—suitshowsthatduringtheperiodfrom1979to2012。theoverallpatternofurbanspatialformofWuhuCityisfro

8、mcompactandstablechangeintolooseandunstable．Keywords：urbanspatialexpansion；spatial—temporalfeature；drivingforce；Wuhu提要：以landsatMSS／TM／ETM+遥感影像为数据合理；城市空间形态由紧凑型向分散型转变：城市空源，借助A