Modeling structural change in spatial system dynamics: A Daisyworld example
Identifieur interne : 000124 ( Main/Exploration ); précédent : 000123; suivant : 000125Modeling structural change in spatial system dynamics: A Daisyworld example
Auteurs : C. Neuwirth [Autriche, Allemagne] ; A. Peck [Canada] ; S. P. Simonovi [Canada]Source :
- Environmental Modelling & Software [ 1364-8152 ] ; 2015.
Abstract
System dynamics (SD) is an effective approach for helping reveal the temporal behavior of complex systems. Although there have been recent developments in expanding SD to include systems’ spatial dependencies, most applications have been restricted to the simulation of diffusion processes; this is especially true for models on structural change (e.g. LULC modeling). To address this shortcoming, a Python program is proposed to tightly couple SD software to a Geographic Information System (GIS). The approach provides the required capacities for handling bidirectional and synchronized interactions of operations between SD and GIS. In order to illustrate the concept and the techniques proposed for simulating structural changes, a fictitious environment called Daisyworld has been recreated in a spatial system dynamics (SSD) environment. The comparison of spatial and non-spatial simulations emphasizes the importance of considering spatio-temporal feedbacks. Finally, practical applications of structural change models in agriculture and disaster management are proposed.
Url:
DOI: 10.1016/j.envsoft.2014.11.026
PubMed: 26109906
PubMed Central: 4461191
Affiliations:
- Allemagne, Autriche, Canada
- Angleterre, Bavière, District de Haute-Bavière, Grand Londres
- Londres, Munich
- Université Louis-et-Maximilien de Munich
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