Spatial Polarization Of Urban System In Northeast China

Globalization brings an unprecedented impact on society, economy, culture, politic and other aspects in all countries and regions. The urbanization under impacting is different from the urbanization under industrialization. The urbanization under impacting is shaping a completely different space pattern of urban system and is promoting the changes of spatial structure of cities and regions. In the change process of spatial structure , the differentiation between cities and spatial polarization of regions are one of the most important features .So spatial polarization of urban system is the core of research of Urban Geography in new period and the research on spatial polarization has a forward-looking.Northeast China is China’s internal region with the very strong integrity and strong uniqueness and research on spatial polarization of urban system in Northeast China naturally has a certain independence. Clearly, research on spatial polarization of urban system involving the important regional relations, the development of urban system changes and so on. Research on spatial polarization will help to deepen the understanding of contemporary China. Northeast, not only has academic value, but also has practical significance , While research is need of coordinated development of urban and regional regulatory in Northeast China.Firstly, research of the domestic and foreign scholars on urban systems and spatial polarization is reviewed in the dissertation. The basic theory of spatial polarization is described. The theoretical framework of spatial polarization is initially established from the measurement and the elements, patterns and effects, factors of spatial polarization, judgment standard. Secondly, the spatial difference and the relative difference of urban system in Northeast China are analyzed based on the GDP, local revenue, total fixed asset investment, household savings deposits, average wages and other social economic development indicators. The total difference of urban system is analyzed by the use of different exponential model (Gini coefficient, Theil index). The intra-regional difference and inter- regional difference are analyzed by decomposition characteristics of Theil index. The total polarization and inter-regional polarization are analyzed by P polarization index and KZ polarization index. The polarization is divided into three periods of polarization based on the evolution of the characteristics of spatial polarization of urban system in Northeast China. The polarization in different periods is preliminarily studied.The polarization of urban systems in different geographical scope is analyzed from urban Groups in Northeast China and the urban system in the province.Thirdly, the driving mechanism of spatial polarization of urban system in Northeast China involves the constraint mechanisms of regional resource, innovative mechanisms of conomic systems and development strategies, the feedback mechanisms of spatial structure, the mechanisms of the development elements assembling and diffusion . the constraint mechanisms of regional resource embodied in the fundamental role of the natural factors for spatial polarization, the catalytic role of the economic factors, the acceleration role of social factors, the supporting role of technological progress. Innovative mechanisms embodied in the economic reform, industrial restructuring, the development strategy of heavy chemical industry, and policy of gradually opening up and revitalizing strategy of industrial bases of Northeast China. Feedback mechanism is that construction and development of the development zone and urban groups led to changes in spatial structure and the feedback effect of changes on the spatial polarization.the mechanisms of the development elements assembling and diffusion play different roles on spatial polarization in different periods.Fourthly, the increase trends of population, GDP and per capita GDP and the total inequality and the inequality among the different rank cities are forecast.The convergence of regional economic growth in Northeast China is analyzed and the polarization exists based on per capita GDP. The index of economic polarization forecast and the P index and KZ index of the economic development of urban system will become large. The effect of polarization forecasts and the core cities, the growth belts and the polarization regions will be emphasized in development. So the regional economic development will be promoted.Fifthly, the problems in the spatial structure of urban system are analyzed and the countermeasures of regulating spatial structure of urban system by the mode of“point-axis-region”brings forward. to In the future,“four core cities”,“three belts”and“two regions”should be emphasized in construction, that is to say, four core cities(Shenyang, Dalian, Changchun and Harbin) and the three belts (Harbin-Dalian belt, Manzhouli-Harbin-Suifenhe belt, Liaoning coastal belt) and two regions (Shenyang-Dalian economic region and Harbin-Changchun economic region) should be emphasized in constructionThe end of the dissertation is the conclusion. The main conclusion is that the inequality and the polarization became larger in urban system in Northeast China since 1990. The inequality and the polarization will become larger in the future. The differentiation among different rank cities is primary character in urban system in Northeast China. The polarization process that the four cities (Shenyang,Dalian, Harbin, Changchun) in the most hierarchies dominant the urban system is the basic character in Northeast China since 1990.