Mapping forest fire impact from Landsat-TM imagery

Agustin Lobo; Nicolau Pineda; Rafael Navarro-Cedillo; Pilar Fernandez-Rebollo; Francisco J. Salas; Jose-Luis Fernandez-Turiel; Arturo Fernandez-Palacios

doi:10.1117/12.332768

11 December 1998 Mapping forest fire impact from Landsat-TM imagery

Agustin Lobo, Nicolau Pineda, Rafael Navarro-Cedillo, Pilar Fernandez-Rebollo, Francisco J. Salas, Jose-Luis Fernandez-Turiel, Arturo Fernandez-Palacios

Author Affiliations +

Proceedings Volume 3499, Remote Sensing for Agriculture, Ecosystems, and Hydrology; (1998) https://doi.org/10.1117/12.332768
Event: Remote Sensing, 1998, Barcelona, Spain

Abstract

We address the problem of estimating fire impact in Mediterranean forests based on Landsat-TM imagery, for which we have used a forest fire in Andalucia (S. Spain) as a case of study. We processed two LANDSAT-TM scenes, acquired before and after the date of the fire. The post-fire scene was segmented and a table of segment statistics was submitted to a hierarchical model-based agglomerative clustering. The boundary defined by the classification closely matches the boundary defined by helicopter. We also produced an image classification of the pre-fire image based on image segmentation and canonical analysis and studied the trajectories of burnt and not-burnt centroids in the Kauth- Thomas plane. The trajectories indicated the existence of a differential response to fire and to phenologic change. We modeled the post-fire conditions as if the region had not been burnt and defined as Index of Fire Impact as the difference between the actual and the modeled second Kauth-Thomas component. The Index of Fire Impact is significantly related to field estimates, but with a scatter that introduces uncertainty in the inversion.

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Agustin Lobo, Nicolau Pineda, Rafael Navarro-Cedillo, Pilar Fernandez-Rebollo, Francisco J. Salas, Jose-Luis Fernandez-Turiel, and Arturo Fernandez-Palacios "Mapping forest fire impact from Landsat-TM imagery", Proc. SPIE 3499, Remote Sensing for Agriculture, Ecosystems, and Hydrology, (11 December 1998); https://doi.org/10.1117/12.332768

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