Study of the severity and regeneration of vegetation by the fire of 2012 in the La Primavera Forest (Mexico) using LANDSAT images 7
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Abstract
The fire of April 2012 in the Bosque La Primavera is considered to be the most extensive and intense that is recorded. It has been generated information through remote sensing techniques from multi-spectral images belonging to the ETM+ sensor of LANDSAT 7 which was incorporated into a GIS, to perform the mapping and analysis of the severity and regeneration time of the affected vegetation. The delimitation of the fire was carried out through the NBR spectral index, as well as its severity by means of the dNBR, obtaining that the majority of the surface of the damage corresponds to LOW and MEDIUM severity that accounted 88% of the affected area. The NDVI values allowed to estimate the phenological state of the vegetation in the area of the fire with which served later to estimate the regeneration time as well, resulting this three years, where thickets and other shrubs species were mostly damaged, being a superficial fire type.
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