The Research On Morphological Study In Changsha-Zhuzhou-Xiangtan City Cluster Based On Fractal Theory

City formal research root venerable morphology,could run down solstice fustel de coulanges.It was a sort of complicated society manifestation.It is the study of urban form and urban intervention in the operation of essential premise.you can grasp the important direction of urban development.At urbanism region,there are two main methods for city formal research:qualitative and quantitative research so far.The city fractal theory belongs to investigative frontier,get off to discuss and tentative phase.Using fractal method not only provides a new way of thinking,but also provides analytic reason melt and quantification development for urban planning analysis.There have been twenty year for fractal geometry theory at urbanism applied research for the moment.Inland fractal investigative emphasize particularly on the town system,town scale,space structure,land use and so on.there are less research on the morphology of urban agglomeration,the difficulty of collecting data and theoretical developments matter much.Using fractal look into urban agglomeration’morphology,could grasp urban ’morphology evolutive direction and it is important for direct the forthcoming development of urban agglomeration.This article is research on the external and interior morphology of the changsha-zhuzhou-xiangtan urban agglomeration based on fractal theory.At first,we have a detail introduction of the fractal theory and urban cluster morphology,review their development process.In the Fractal analysis of the Urban Agglomeration of external morphology quantitatively,we extract the dates of years of 1978,1989,2002 and 2010,which are the correlated dates of changsha-zhuzhou-xiangtan urban agglomeration,the basic data of four contain urban construction status,then we use boxing dimension and boundary dimension approach,strike up fractal analogy model,we can calculate the dimension of changsha-zhuzhou-xiangtan urban agglomeration in four periods.the scores of the dimension are between 1.2 to 1.4,and close to 1,indicating urban Agglomeration of form along linear features(rivers,roads,etc.)expansion,and the main way to fill-in expansion,which is consistent with the urban Agglomeration of recent evolution of urban form.Fractal analysis of the Urban Agglomeration of the internal morphology of qualitative research in the various elements of the reasonableness of the city(administrative divisions,road network and internal blocks)distribution.Using Nikos Salingaros’ inverse power law,we can study the composition of the urban population level elements sequence analysis,mainly in the road network,through the external morphology ’quantitative analysis and interior formal qualitative analysis for the changsha-zhuzhou-xiangtan urban agglomeration,we can obtain the evolution of the Urban Agglomeration of form,proposed the problems that should be noted in the urban cluster morphology evolution,and provide stronger scientific basis for planning cities.