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Geospatial characteristics of fire occurrences in southern hemispheric Africa and Madagascar during 2001-2020

Journal of Forestry Research 2023年第2期34卷 553-563页

作者： Chuyan Wan Shouraseni Sen Roy Department of Earth and Planetary Sciences Northwestern UniversityEvanstonILUSA Department of Geography and Sustainable Development University of MiamiCoral GablesFLUSA

For this study of long-term spatial patterns and trends of active fires in southern hemispheric Africa and on Madagascar from 2001 to 2020,active fire data from the MODIS FIRMS global fire data products were *** annual center of fire concentration tended to migrate toward the preserved rainforests and nature conservation areas in the Congo Basin and the mountain forests on the northeastern coast of *** frequency varied seasonally at both study *** used geo statistical analysis techniques,such as measures of dispersion and emerging hot spot analysis,to reveal long-term trends in spatial patterns of fire *** southern hemispheric Africa,the observed active fires tended to drift northward toward the Zambia-DRC border in the Congo *** northward migration progressed toward humid rainforests,which were better suited to sustaining repeated fire *** Madagascar,the observed active fires tended to migrate toward the east coast in protected mountain *** spatial patterns of long-term trends showed a concentration of fires in the tropical regions of southern hemispheric ***,smaller clusters of new hot spots were located over eastern South Africa,overlapping with undifferentiated *** Madagascar,both hot and cold spots were identified and were separated by the highland region in the center of the *** of the eastern island was characterized by cold spots that received less precipitation than did the rest of the *** presence of increasing hots spots in the densely vegetated areas highlights the urgent need for fire prevention and management in this region.

关键词： emerging hot spots analysis FIRMS Forest fi res Madagascar MODIS Southern hemispheric Africa Wildfi res

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