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    Incorporation of extended neighborhood mechanisms and its impact on urban land-use cellular automata simulations
    Jiangfu Liao, Lina Tang*, Guofan Shao, Xiaodan Su, Dingkai Chen, Tong Xu

    Urban cellular automata (CA) models are broadly used in quantitative analyses and predictions of urban land-use dynamics. However, most urban CA developed with neighborhood rules consider only a small neighborhood scope under a specific spatial resolution. Here, we quantify neighborhood effects in a relatively large cellular space and analyze their role in the performance of an urban land use model. The extracted neighborhood rules were integrated into a commonly used logistic regression urban CA model (Logistic-CA), resulting in a large neighborhood urban land use model (Logistic-LNCA). Land-use simulations with both models were evaluated with urban expansion data in Xiamen City, China. Simulations with the Logistic-LNCA model raised the accuracies of built-up land by 3.0% - 3.9% in two simulation periods compared with the Logistic-CA model with a 3×3 kernel. Parameter sensitivity analysis indicated that there was an optimal large window size in cellular space and a corresponding optimal parameter configuration.

    Key words:Urban expansion; Cellular automata; Extended enrichment factors; Neighborhood effects; Neighborhood rules

    Volume:

    Page:http://authors.elsevier.com/sd/article/S1364815215300724

    Journal:Environmental Modelling & Software

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