Bringing conservation priorities into urban growth simulation: An integrated model and applied case study of Hangzhou, China

Yonghua Li, Qiwei Ma, Yan Song, Haoying Han

Research output: Contribution to journalArticle

Abstract

A green infrastructure assessment (GIA)-constrained cellular automata (CCA) model was developed to integrate habitat preservation with spatial-temporal simulation and the corresponding establishment of an urban growth boundary (UGB). A case study of the Hangzhou Metropolitan Area successfully demonstrated the application of the GIA-CCA model. Multitemporal land use maps interpreted from remotely sensed images taken in 2000, 2005, 2010 and 2015 were utilized for validation and UGB prediction for 2020. The GI scenario incorporating the ecological network and a baseline scenario (BS) involving a current growth trend of no environmental constraint were designed to further investigate the unique advantages of the GIA-CCA model over the CCA model. Comparative analysis with groups of landscape metrics indicated that the GI scenario improved the connectivity among ecological elements, reducing urban fragmentation and promoting growth compactness, yet many irregular forms of edge sprawl and main city expansion were observed under the BS. Based on the GI scenario, the final UGBs were established, covering the central city, six new cities and nine towns. In contrast to the proposed UGBs, the planned UGBs generated by economic policies might play a negative role in preserving natural resources and responding to development uncertainties and could be improved by considering the forecasted results based on the GIA-CCA model as a helpful decision-making tool. The model could become an increasingly important part of growth management, particularly for developing countries and regions that are exposed to environmental deterioration due to rapid urbanization.

LanguageEnglish (US)
Pages324-337
Number of pages14
JournalResources, Conservation and Recycling
Volume140
DOIs
StatePublished - Jan 1 2019

Fingerprint

urban growth
cellular automaton
infrastructure
simulation
environmental constraint
economic policy
metropolitan area
Simulation
Urban growth
Conservation
China
Integrated model
connectivity
urbanization
fragmentation
natural resource
developing world
decision making
Cellular automata
Scenarios

Keywords

  • Constrained cellular automata (CCA)
  • Green infrastructure assessment (GIA)
  • Landscape metrics
  • Scenarios
  • Urban growth boundaries (UGBs)

ASJC Scopus subject areas

  • Waste Management and Disposal
  • Economics and Econometrics

Cite this

Bringing conservation priorities into urban growth simulation : An integrated model and applied case study of Hangzhou, China. / Li, Yonghua; Ma, Qiwei; Song, Yan; Han, Haoying.

In: Resources, Conservation and Recycling, Vol. 140, 01.01.2019, p. 324-337.

Research output: Contribution to journalArticle

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