Journal
SENSORS
Volume 13, Issue 8, Pages 11146-11166Publisher
MDPI
DOI: 10.3390/s130811146
Keywords
earth observation; large scale burn area mapping; fire regime Mediterranean ecosystems; wildfire management
Funding
- ESA
- EC
- European Union (European Social Fund-ESF)
- National Strategic Reference Framework (NSRF)-Research Funding Program: THALES-Investing in knowledge society through the European Social Fund
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This paper presents the results of an operational nationwide burnt area mapping service realized over Greece for the years 2007-2011, through the implementation of the so-called BSM_NOA dedicated method developed at the National Observatory of Athens for post-fire recovery management. The method exploits multispectral satellite imagery, such as Landsat-TM, SPOT, FORMOSAT-2, WorldView and IKONOS. The analysis of fire size distribution reveals that a high number of fire events evolve to large and extremely large wildfires under favorable wildfire conditions, confirming the reported trend of an increasing fire-severity in recent years. Furthermore, under such conditions wildfires affect to a higher degree areas at high altitudes, threatening the existence of ecologically significant ecosystems. Finally, recent socioeconomic changes and land abandonment has resulted in the encroachment of former agricultural areas of limited productivity by shrubs and trees, resulting both in increased fuel availability and continuity, and subsequently increased burnability.
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