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ID:58295448
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页数:7页
时间:2020-04-30
《1989—2010年武汉城市圈县域通达性的空间演化及对称性.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、2014年第3期总第137期文章编号:1003.2398(2014)03.0069—071989—201O年武汉城市圈县域通达性的空间演化及对称性刘承良。,余瑞林,段德忠(1.华东师范大学a.城市与区域科学学院,b.科技创新与发展战略研究中心,上海200062;2.华中师范大学城市与环境科学学院,武汉430079)T腿SPIALEVOLUTI()NANDSYMMETRYOFACCESSIBILITYOFINTRA.C0UNTYIN厂ImANMETR0POLITANAREABASEDONR0ADNETWORKFR0M1989T02010LIUCheng
2、—liang,,YURui—lin2,DUANDe—zhong2(Sa.SchoolofUrbanandRegionalScience,lb.InstituteforInnovationStrategicStuab'es,EastCknn'aNormalUniversitv,Shanghai200062,China;2.CoUegeofUrbanandEnvironmentalScience,HuazhongNormalUniversitv,Wuhan430079,Cna1Abstract:TakingWuhanMetropolitanAreaasa
3、i1example,thispaperbuildsaseriesofaccessibilityanalysisvariablestorevealthespatial—temporalevolutionallawsofaccessibilityoftheroadnetworkatcountylevelThespatialdistributionofroadnetworkaccessibility,whichrepresentedthesymmetryestablishingorbreak-ingofNatural—HumanGeography,isac
4、tuallyresultedfromthe”carving”ofNaturalGeographicalpaRernandthedrivingofthedistributionofEconomicGeography,it’Salsothespatialresponseofsynergisticefectbetweenself-organizationandhetero—organizationofNatural-HumanGeographySystem,showingtheunityofoppositesonproportionality-centra
5、lization,stability—dynamic,deterministic—randomness,symmetryestab—lishing-breaking.Therefore,thispaperinterpretsthespatialsymmetryprincipleofthecountyaccessibilityofWuhanMetropolitanAreabasedontheactionmechanismofNatural—HumanSystems.Generallyspeaking,althoughtheboundarycontour
6、andsurfacemorphologyofWuhanMetropolitanAreaisani~egularbody,somekindofsymmetryorderundertheactionoftheman—landrelationshipishiddenbehindthat,thisordernotonlyshowedthesymmetryofnodelocationdistribution,alsoshowedthesymmetryofnodeintrinsicat—tributes.Keywords:accessibility;symmet
7、ry;spatialevolution;urban-ruralroadnetwork;Wuhanmetropolitanarea提要:以武汉城市圈为例,基于县域尺度,计度存在差异,总体上县域通达性与自然~人文地理系量揭示了武汉城市圈道路网通达性的空间演化规律:统保持空间共轭协同,遵循一定的空间对称性:县域县域通达性演化保持时间惯性,空间分布整体遵循良通达性分布遵循中心地原理,与城乡节点体系的靶形好的指数律,空间极化程度保持连续,通达性极值的分布一致;通达性空间供给与人口和经济需求保持密县域分布具有空间惰性;县域通达性基本遵循距离衰切耦合,与地形地貌分
8、布具有宏观上的对应性和一致减律,呈中心一外围的环状分异,局部出现一定变性,空间呈现协同共轭的“>”型结构。形
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