Abstract
Taking Shanghai as an example, this paper uses remote sensing (RS) and geographical information systems (GIS) technology to conduct multisource data fusion and a spatial pattern analysis of urban carrying capacity at the micro scale. The main conclusions are as follows: (1) based on the “production, living and ecology” land functions framework and land use data, Shanghai is divided into seven types of urban spaces to reveal their heterogeneity and compatibility in terms of land use functions. (2) We propose an urban carrying capacity coupling model (UCCCM) based on multisource data. The model incorporates threshold and saturation effects, which improve its power to explain urban carrying capacity. (3) Using the exploratory spatial data analysis (ESDA) technique, this paper studies the spatial pattern of carrying capacity in different urban spaces of Shanghai. (4) We analyse the causes of the cold spots in each urban space and propose strategies to improve the urban carrying capacity according to local conditions.
Highlights
Rapid urbanization and expanding demand for resources and services are exerting great pressure on land and natural resources [1]
Based on the “production, living and ecology” land functions framework and land use data, Shanghai was divided into seven types of urban spaces to reveal their heterogeneity and compatibility in terms of functions and use
The model incorporated the saturation and threshold effects, which have not been considered in previous analyses and which improved the explanatory power of the model for urban carrying capacity
Summary
Rapid urbanization and expanding demand for resources and services are exerting great pressure on land and natural resources [1]. The use of some resources is limited, which has led to the attraction of widespread attention to the problem of the earth’s carrying capacity [2,3]. After 40 years of reform and opening, China has gradually developed from a poor and weak developing country to the second largest economy in the world. Urbanization and industrialization have been the main themes of these years. In this process, urban diseases are not a simple problem of food shortages and environmental pollution but involve all aspects of production and human life and health. Many high-level policies and regulations have been sought to enhance urban carrying capacity [4]. Urban carrying capacity has gradually become a topic of intense interest and research among scholars
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