The model of allometric growth relationships between area(A) and population (P) of urban systems, A∝P b ,was studied, and the exponent,b,proved to have meaning of fractal dimension,and it was discovered that b=D/2 ,here D is average fractal dimension of city form.
Hubei Province has evolved from one city and seventy-two counties in 1949 to thirty-six cities and twenty-four counties at present,but the old admin-istrative boundary results in some prob-lems that retarded urban development.
Modern geography forms being urban geography information system gradually. Urban geography information system is application of geography information technology and other interrelated information technology in municipality and enterprise management and society life of citizen, and it provides information service for municipality and enterprise management and social life of citizen.
After analyzing the urban function in the local administration of ancient China and discussing the division urban districts according to the urban function, the author discusses the relationship between the urban property and the urban function and the relationship between different combinations of function urban in different scale space.
An urban economic growth model with endogenous infrastructure allocation
In this paper, an urban economic growth model with endogenous infrastructure allocation is given by introducing the two-variable utility function for city's inhabitant.
Experimental results show that the approach, compared with traditional methods for resolving the SAR PRF ambiguity, is more suitable for both high contrast scenes such as urban areas and low contrast scenes such as mountains.
According to the international methods of pest risk analysis and urban forestry characteristics in Beijing, a quantitative risk assessment system in Beijing for three primary non-indigenous pests was proposed.
Application of CITYgreen model in benefit assessment of Nanjing urban green space in carbon fixation and runoff reduction