The impact of neighbourhood size on the accuracy of cellular automata-based urban modelling

Liu, Yan (2007) The impact of neighbourhood size on the accuracy of cellular automata-based urban modelling. Applied Geographic Information Systems (GIS), 3 3: 1-14.

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Author Liu, Yan
Title The impact of neighbourhood size on the accuracy of cellular automata-based urban modelling
Journal name Applied Geographic Information Systems (GIS)
ISSN 1832-5505
Publication date 2007-04
Sub-type Article (original research)
Volume 3
Issue 3
Start page 1
End page 14
Total pages 14
Place of publication Clayton, Vic., Australia
Publisher Applied GIS
Language eng
Abstract Cellular automata are discrete dynamic models in which behaviour is specified in terms of local relations. This technique has recently been advantageously applied to modelling of the urban development process. However, the behaviour of the model is affected by spatial scale, including cell size and neighbourhood extent. Therefore, it is important to examine the impacts of various neighbourhood scales on the model's behaviour and outcome. In this paper we configured a cellular automata model of urban growth in Sydney, Australia, using three different neighbourhood scales: a small neighbourhood of 1.5 cells radius, a moderate neighbourhood of 2.5 cells radius and a large neighbourhood of 3.5 cells radius, all with a fixed cell size of 250 metres. The moderate neighbourhood scale of 2.5 cells radius was found to best reflect those local mechanisms that have the most direct impact on urban development in Sydney. Hence this paper provides a useful reference in the search for a neighbourhood size that is suitable for cellular automata-based modelling of the processes of urban development.
Keyword Urban development
Cellular automata
Neighbourhood scale
Sydney
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Geography, Planning and Environmental Management Publications
ERA 2012 Admin Only
 
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Created: Sat, 17 Dec 2011, 21:12:59 EST by Dr Yan Liu on behalf of School of Geography, Planning & Env Management