不同尺度乡村聚落景观的空间集聚性分形特征及影响因素分析——以江苏省镇江市为例

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1、2014年第1期总第135期文章编号：1003—2398(2014)01．0099．09不同尺度乡村聚落景观的空间集聚性分形特征及影响因素分析——以江苏省镇江市为例吴江国，张小林’，冀亚哲’(1．南京师范大学地理科学学院，南京210023；2．江苏省土地勘测规划院，南京210024)THEⅢII．LEVELSPIALAGGREGAT10NFRACTALCHARACTEISTICSOFRIALSETTLEMENTSANDDLUENCINGFACTORS：ACASESTUDYOFZHENJIANGI

2、NJIANGSUWUJiang-guo，ZHANGXiao—lin，JIYa—zhe《lCollegeofGeographicalScience,NanjingNormalUniversi05Nanjing210046,China；2JiangsuInstituteofLandSurveyingandPlanning,Nanjing210024,Ctn'na)Abstract：Fractalstudyisoneofthemostimportantbranchesinmodemtheoreticg

3、eography．Thispapercom-mencedwiththeapplicationofthefractaltheoryandtriedtocomparethecharacteristicsofthesettlementssystematthescaleofwhichcontainscounty,townandvillage，byusingArcGIS9．3softwareandtakingna—tionalresultsofthesecondnationallandsurveydata

4、asthemaindatasource．ThestudyareawaslocatedinDanyangandJurongofZhenjiang．Basedonthefractaltheory,thepaperstudiedthescalediferenceofspa-tialstructureofsettlementssystem，thenthepaperanalyzedtheinfluencingfactorofspatialaggregationfrac—talcharacterofther

5、uralsetlementsatthescaleoftownandvillage．Accordingtotheresultsofcalculationandanalysis，thepaperdrewtheconclusionsbelow：(1)setlementssysteminDanyangandJurongarefrac-talinspatialstructureofsetlementssystem，actingasaself-similarstructure；(2)Thespatialag

6、gregationofruralsettlementssysteminDanyangandJurongbothactasfractalcharacteratdiferentscale；(3)asaresultofspatialoverlaybetweenterrainandfractaldimension，statisticalresultsshowsthatterainisaimportantfactorwhichinfluencethespatialaggregation；(4)Atthes

7、caleofthetownhinterland，wefoundthatimprove—mentoftransportationnetworkmakestheruralsetlementsmoreindependentonspatialdistances．Therefore，inthefuturework，fractaltheorywouldbeausefultoolfortheplanningofsetlementssystem，finallymak—ingefectiveuseofgeospa

8、tialresourcesandoptimizingthespatialstructureofthesettlementsysteminaspe-cificarea．Keywords：setlementssystem；fractal；spatialaggregation；scale提要：为分析乡村聚落景观空间结构的分形特征，即中心村>镇>县城；地形是影响乡村聚落景观征，以GIS为平台、土地调查数据为主要数据源，通空间集聚性分形特征，表现为腹地内坡度越大，集聚过集聚维数，分别在县域、镇域和村域三个