Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/6956
Título: State Space Analysis of Forest Fires
Autor: Lopes, António M.
Machado, J. A. Tenreiro
Palavras-chave: Dynamical systems
State space
Mutual information
Multidimensional scaling
Hierarchical clustering
Forest fires
Data: 2015
Editora: SAGE journals
Relatório da Série N.º: Journal of Vibration and Control;
Resumo: This paper studies forest fires from the perspective of dynamical systems. Burnt area, precipitation and atmospheric temperatures are interpreted as state variables of a complex system and the correlations between them are investigated by means of different mathematical tools. First, we use mutual information to reveal potential relationships in the data. Second, we adopt the state space portrait to characterize the system’s behavior. Third, we compare the annual state space curves and we apply clustering and visualization tools to unveil long-range patterns. We use forest fire data for Portugal, covering the years 1980–2003. The territory is divided into two regions (North and South), characterized by different climates and vegetation. The adopted methodology represents a new viewpoint in the context of forest fires, shedding light on a complex phenomenon that needs to be better understood in order to mitigate its devastating consequences, at both economical and environmental levels.
URI: http://hdl.handle.net/10400.22/6956
DOI: 10.1177/1077546314565687
Versão do Editor: http://jvc.sagepub.com/content/early/2015/01/13/1077546314565687.abstract
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