Publicado

2011-11-01

ADVANCED SPATIAL METRICS ANALYSIS IN CELLULAR AUTOMATA LAND USE AND COVER CHANGE MODELING

Palabras clave:

LUCC modeling, cellular automata, transition rules, spatial metrics, geocomputation, spatial metrics contribution level (es)

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Autores/as

  • ALEXANDER ZAMYATIN PhD. Tomsk Polytechnic University, 30 Lenin Avenue, Tomsk, 634050, Russia
  • PEDRO CABRAL PhD. Instituto Superior de Estatística e Gestão de Informação, ISEGI, Universidade Nova de Lisboa, Campus de Campolide, 1070-312 LISBOA, Portugal
This paper proposes an approach for a more effective definition of cellular automata transition rules for landscape change modeling using an advanced spatial metrics analysis. This approach considers a four-stage methodology based on: (i) the search for the appropriate spatial metrics with minimal correlations; (ii) the selection of the appropriate neighborhood size; (iii) the selection of the appropriate technique for spatial metrics application; and (iv) the analysis of the contribution level of each spatial metric for joint use. The case study uses an initial set of 7 spatial metrics of which 4 are selected for modeling. Results show a better model performance when compared to modeling without any spatial metrics or with the initial set of 7 metrics.

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