Abstract
The continuous development of urbanization and the integration of urban agglomerations are accompanied by the outbreak of the contradiction between urban infrastructure and population. Therefore, the study of the coupling coordination relationship between urban infrastructure and population is of great significance for the benign development of cities and the in-depth integration of urban agglomerations. In order to measure the coupling coordination between urban infrastructure and population accurately and objectively, we construct the evaluation index system of urban infrastructure supply level and population development level based on biblio-metrics method, determine index weights using G1 and standard variance method, then construct a coupled coordination model from four aspects: population, infrastructure, population and infrastructure, and relative lag. Next, a case study is conducted subsequently using the Qingdao, Yantai, and Weihai in China as examples. The results show that the coupling relationship between infrastructure and population will synergistically affect urban development, and has obvious temporal characteristics. Qingdao, Yantai and Weihai have initially built the prototype of metropolitan area, changing from population development lagging city to infrastructure lagging city. The research results are of great significance to the further research of urban agglomeration integration, can provide necessary reference data for the planning and construction of Jiaodong Economic Circle, help to quantify the relevant problems in the integration process of other urban areas.
Highlights
The development process of cities can be seen as the great growth of the number of cities, the great development of the urban circle and the increasingly forming compound of the urban agglomeration, as well as the gradual maturity of the coordinated development pattern of large, medium and small cities and small towns, accompanied by the deepening of the process of regional economic and social integration and the formation of cross regional integrated governance institutions[1]
The influx of population into cities led to the rapid expansion of urban scale[4], and the supply of urban infrastructure could not meet the basic living needs of urban population, resulting in population loss, which prolonged the cycle of "dispersion to concentration" stage of urban agglomeration[5], which in turn hindered the process of urban agglomeration moving towards metropolitan area
A coupling coordination model based on panel data is proposed to measure the coupling between urban infrastructure and population
Summary
The development process of cities can be seen as the great growth of the number of cities, the great development of the urban circle and the increasingly forming compound of the urban agglomeration, as well as the gradual maturity of the coordinated development pattern of large, medium and small cities and small towns, accompanied by the deepening of the process of regional economic and social integration and the formation of cross regional integrated governance institutions[1]. The relevant policy work on the impact of China's urban infrastructure on population carrying capacity has increased significantly based on the upon background[8]. The construction of municipal infrastructure has improved significantly, the level of municipal infrastructure is still low, and the contradiction between insufficient supply of municipal public products and services and rapid economic development will persist for a certain period of time in the future[17]. (2) In terms of research methods, the relationship between urban infrastructure and urban population in the urbanization process is mainly studied qualitatively, and there is a lack of quantitative evaluation to study the degree of urban infrastructure supply and the coupling degree of urban infrastructure and urban population. This study helps evaluate the level of urban infrastructure supply, the level of urban population development and the degree of coupling coordination between urban infrastructure and urban. Population in a region, facilitates in-depth analysis of the relationship between infrastructure and population, determine the development stage of urban agglomeration integration, and explore the path of urban integration toward a metropolitan area
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