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1 km resolution, from April 1992 to December 1993 have been processed to give the positions of active vegetation fires. Two methods of characterizing the spatio-temporal pattern of vegetation fire are discussed. The first applies principal component analysis to the monthly series of fire count products. The second approach defines and extracts a number of spatial and temporal parameters from the gridded product. Three of these parameters are used in aclustering procedure. The two characterizations, while emphasizing different aspects, synthesize the main spatio-temporal characteristics of global fire distributions.

Additional information

Authors: DWYER E, Space Applications Institute, Global Vegetation Monitoring, Ispra (IT);GREGOIRE J-M, Space Applications Institute, Global Vegetation Monitoring, Ispra (IT);PEREIRA J M C, Departamneto de Enghenharia Florestal, Instituto Superior de Agronomica, Lisboa (PL);DACAMARA C C, Universite de Lisboa, Departamento de Fizica (PL)
Bibliographic Reference: Article: Journal of Biogeography, 1998
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