Analysis On The Spatial Pattern Of Urban Agglomeration’s Development In The Middle Reaches Of The Changjiang River

Since the reform and opening up,China’s urbanization process for many years,gradually formed a city group-led regional development pattern.However,most of the current urban agglomeration is still in the early and middle stages of development and has not become a regional entity with overall competitive strength.The spatial pattern of urban agglomeration’s development in the middle reaches of the Changjiang River is the spatial distribution and spatial connection of the urban agglomeration in the middle reaches of the Changjiang River.To analyze the spatial pattern of urban agglomeration development in the middle reaches of the Changjiang River is helpful to clarify the status quo and problems of it,and then put forward the suggestions to promote the integration of the urban agglomeration in the middle reaches of the Changjiang River.Based on data of urban cities in the middle reaches of the Changjiang River,SPSS software was used to analyze and establish the index system.The principal component analysis method was used to determine the weight of each index,and the urban quality score of the urban agglomeration in the middle reaches of the Changjiang River was calculated.On this basis,we use ARCGIS software to do spatial interpolation on it.This paper analyzes the spatial distribution characteristics and problems of urban mass in the middle reaches of the Changjiang River from the whole,sub-city circle,city circle and main component index,and analyzes the spatial characteristics of the dot-like difference.Based on the urban quality score of the urban agglomeration in the middle reaches of the Changjiang River and the optimized urban gravitational model,the paper analyzes the urban gravitational attraction of the urban agglomeration in the middle reaches of the Changjiang River,and uses the ARCGIS processing technology to classify the urban gravitational results.This paper analyzes the spatial characteristics and problems of urban gravitational attraction in the middle reaches of the Changjiang River from the perspective of the whole and the sub-city circle,and analyzes the spatial characteristics of the linear contact.Finally,the paper analyzes the spatial pattern of urban agglomeration’s development in the middle reaches of the Changjiang River with the angle of difference and connection,point and line,and gives the corresponding development suggestions.The results show that,because of the spatial differences and spatial relations,administrative and geographical segmentation,traffic distribution differences,the characteristics of urban structure,historical effects,cultural effects and other factors,the development of the urban agglomeration in the middle reaches of the Changjiang River has the problems of low overall development level,insufficient contact between cities,obvious core-edge characteristics and others.The spatial distribution of urban mass in the urban agglomeration of the middle reaches of the Changjiang River is the result of the fusion of many quality elements on space in the core provincial city.And the spatial connection of urban gravitation is the result of the interaction between the attenuation law and the diffusion effect of the growth pole.The provincial metropolitan area is still in the internal centralized contact stage.The spatial pattern of urban agglomeration’s development in the middle reaches of the Changjiang River,that is,the spatial pattern of urban quality and urban gravitational attraction has the characteristics of both the overall fit and local deviation.The suggestion are given:To create a shared cooperation mechanism to strengthen the inter-ring node area connection.Clear regional city positioning,to create multi-core city group.Take regional traffic advantages,achieve urban transport integration.To achieve industrial diverse development,increase the attractiveness of the city.To determine the ecological awareness,establish a sound ecological city group.