Fire Detection and Parameterization with Msg-Seviri Sensor

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The detection of forest fires and the determination of their parameters has been a task usually carried out by polar-orbit sensors, AVHRR (A)ATSR, BIRD and MODIS mainly. However, their time resolution prevents them from operating in real time. On the other hand, the new geostationary sensors have very appropriate capacities for the observation of the Earth and for the monitoring of forest fires, as is being proved. GOES, MSG and MTSAT are already operative with time resolutions less than 30 minutes, 15 minutes for MSG, objective of this paper, and they have led the international community to think that the global observation network in real time may become a reality. The implementation of this network is the aim of the Global Observations of Forest Cover and Land Cover Dynamics (GOFC/GOLD) FIRE Mapping and Monitoring program, focused internationally on taking decisions concerning the research of the Global Change. In this paper, the operation in real time by the MSG- SEVIRI sensor over the Iberian Peninsula is carried out. Its capacity to detect hot forest fires smaller than 0.3 ha in Mediterranean latitudes has been analysed. Concerning fire parameterization two topics are analysed too: the possibility to use SWIR spectral channel in order to replace MIR in saturation situations and dependence of fire parameters versus the problem of resampling pixels.

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