The use of NOAA-AVHRR images for forest fire risk assessment
Analysis of the satellite images allows to conclude that these images can be used for forest fire risk assessment. The recent investigations show the relationship between soil moisture as well as state of plants and evapotranspiration, calculated on the basis of NOAA data. As a next step the possibility of the use of NOAA-AVHRR data forforest fire risk assessment was investigated. Investigations were concentrated on proving a thesis that indexes derived from NOAA satellite images reflect the parameters determining flammability of forest stands, so NOAA data maybe used for forest fire risk forecast. Satellite images were used to calculate radiative temperature, evapotranspiration as well as vegetation indexes describing the changes of spectral characteristics of forest. Researches were oriented to find out the relations between these parameters and other ground and meteorological parameters characterizing flammability of forest stands.
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