Journal
APPLIED GEOGRAPHY
Volume 26, Issue 3-4, Pages 323-345Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.apgeog.2006.09.006
Keywords
urban expansion; cellular automata; system dynamic; Beijing
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Spatially explicit urban expansion models that can trace urban development in the past and predict the expansion scenarios in the future are indispensable for examining urban planning policies. This paper demonstrates a new urban expansion scenario (UES) model by coupling one bottom-up cellular automata (CA)-based model and one top-down system dynamics (SD)-based model. By implementing the UES model in Beijing, the urban evolution from 1991 to 2004 was simulated and the UESs from 2004 to 2020 were predicted. The results suggest that a dilemma of urban expansion versus limited water resource and environment deterioration exists. Dealing with such a dilemma remains a challenge for the local government. (c) 2006 Elsevier Ltd. All rights reserved.
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