Abstract
Urban development policies and planning schemes are essential drivers of urban expansion in the contemporary world. However, they are usually investigated by qualitative analysis and it is difficult to use them in spatial analysis models. Within the advancement of technology regarding the geostatistical dataset, this study uses a field strength model to quantify policy-oriented factors and designs a modified logistic regression model to analyze the main drivers of urban expansion by selecting natural environment, socioeconomic development, and especially policy-oriented variables. Wuhan City in central China is taken as an example: the modified model is applied and compared with the classical model, and the driving mechanism of urban expansion in Wuhan from 2006 to 2013 is determined through spatial analysis. The results show that the urban system planning in combination with various anthropologic and environmental factors can be comprehensively quantified and described by the urban field strength. The methodological innovation of the classical logistic regression model is tested by statistical and spatial analysis methods, and the results verify that the modified regression model can be used more accurately to investigate the driving mechanism of urban expansion in the past and simulate the spatial pattern of urban evolution in the future.
Highlights
Urban expansion, which is an important part of the land use and land cover change (LUCC) research promoted by the International Geosphere–Biosphere Program (IGBP) and the Global Environmental Change in the Humanities Program (IHDP) in 1995 [1], has been a research hotspot considering accelerating global urbanization during recent decades [2,3]
More scholars are trying to investigate the process of urban expansion [4,5,6] and predict the consequences of urban land use transformation [7], and provide decision-makers with important information or assessment for the sustainable utilization of land resources and harmonious urban/regional development [8]
This study proposes a modified method for determining the driving forces of urban expansion
Summary
Urban expansion, which is an important part of the land use and land cover change (LUCC) research promoted by the International Geosphere–Biosphere Program (IGBP) and the Global Environmental Change in the Humanities Program (IHDP) in 1995 [1], has been a research hotspot considering accelerating global urbanization during recent decades [2,3]. Drivers related to the natural environment include topographical and hydrologic conditions [11,12,13] and natural hazards [14,15]. Anthropogenic drivers, such as demographic changes [7], economic development [16], industrial level [17], traffic systems [18], resident incomes [19], and land use policy [1,20], which are given close attention universally, generally play more crucial roles in affecting urban growth in the context of rapid urbanization and industrialization
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