Coordination between urban land expansion and population growth in China
Based on the urban built-up land and population data of 2000 and 2010,this paper establishes the coordination model to evaluate the relationships between urban land expansion and population growth of 657 cities in China in recent decade.The results showed that:(1)the development between urban land expansion and population growth is not synchronous,with a weak degree of coordination.Urban land expansion was the leading mode for the development of Chinese cities,with 1/3 of all the cities.Population growth ranks second with 1/4 of all the cities.The gap was very large.(2) With regard to spatial distribution,cities with significant land expansion are mainly concentrated in developed eastem China,such as coastal area and cities along the rivers and transportation lines.On the contrary,the distribution center of the cities with significant population growth moved westwards,which are mainly located in the central and westem China to the Hu Huanyong Line.(3) From the aspect of the coordination for urban land expansion at different scales and population growth,mega-and big cities were characterized by rapid built-up land expansion with the higher ratio of land expansion,while small and medium-sized cities were featured by rapid population growth with the higher ratio of population growth.(4) With respect to changes scale of city size,the number of small cities increased due to a rapid population growth,whereas the number of big and medium-sized cities increased owing to the rapid land expansion,especially via the promotion of the real estate and constructions of the new cities.
NETL
NSTL
万方数据
维普
