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Article

Delineation of Urban Growth Boundaries Using a Patch-Based Cellular Automata Model under Multiple Spatial and Socio-Economic Scenarios

1
Department of Land Resource Management, School of Public Administration, China University of Geosciences, Wuhan 430074, China
2
Key Labs of Law Evaluation of Ministry of Land and Resources of China, School of Public Administration, China University of Geosciences, Wuhan 430074, China
3
Center for Applied Geographic Information Science, the University of North Carolina at Charlotte, Charlotte, NC 28223, USA
4
Department of Geography and Earth Sciences, the University of North Carolina at Charlotte, Charlotte, NC 28223, USA
*
Author to whom correspondence should be addressed.
Sustainability 2019, 11(21), 6159; https://doi.org/10.3390/su11216159
Received: 30 September 2019 / Accepted: 22 October 2019 / Published: 4 November 2019
The urban growth boundary (UGB) plays an important role in the regulation of urban sprawl and the conservation of natural ecosystems. The delineation of UGBs is a common strategy in urban planning, especially in metropolitan areas undergoing fast expansion. However, reliable tools for the delineation of informed UGBs are still not widely available for planners. In this study, a patch-based cellular automaton (CA) model was applied to build UGBs, in which urban expansions were represented as organic and spontaneous patch growing processes. The proposed CA model enables the modeler to build various spatial and socio-economic scenarios for UGB delineation. Parameters that control the patch size and shape, along with the spatial compactness of an urban growth pattern, were optimized using a genetic algorithm. A random forest model was employed to estimate the probability of urban development. Six scenarios in terms of the demand and the spatial pattern of urban land allocation were constructed to generate UGB alternatives based on the simulated urban land maps from the CA model. Application of the proposed model in Ezhou, China from 2004 to 2030 reveals that the model proposed in this study can help urban planners make informed decisions on the delineation of UGBs under different scenarios. View Full-Text
Keywords: urban growth boundary; cellular automata; patch growing; random forest; genetic algorithm urban growth boundary; cellular automata; patch growing; random forest; genetic algorithm
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MDPI and ACS Style

Yang, J.; Gong, J.; Tang, W.; Shen, Y.; Liu, C.; Gao, J. Delineation of Urban Growth Boundaries Using a Patch-Based Cellular Automata Model under Multiple Spatial and Socio-Economic Scenarios. Sustainability 2019, 11, 6159. https://doi.org/10.3390/su11216159

AMA Style

Yang J, Gong J, Tang W, Shen Y, Liu C, Gao J. Delineation of Urban Growth Boundaries Using a Patch-Based Cellular Automata Model under Multiple Spatial and Socio-Economic Scenarios. Sustainability. 2019; 11(21):6159. https://doi.org/10.3390/su11216159

Chicago/Turabian Style

Yang, Jianxin; Gong, Jian; Tang, Wenwu; Shen, Yang; Liu, Chunyan; Gao, Jing. 2019. "Delineation of Urban Growth Boundaries Using a Patch-Based Cellular Automata Model under Multiple Spatial and Socio-Economic Scenarios" Sustainability 11, no. 21: 6159. https://doi.org/10.3390/su11216159

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