Abstract:A new supervised burned area mapping software named BAMS (Burned Area Mapping Software) is presented in this paper. The tool was built from standard ArcGIS TM libraries. It computes several of the spectral indexes most commonly used in burned area detection and implements a two-phase supervised strategy to map areas burned between two Landsat multitemporal images. The only input required from the user is the visual delimitation of a few burned areas, from which burned perimeters are extracted. After the discrimination of burned patches, the user can visually assess the results, and iteratively select additional sampling burned areas to improve the extent of the burned patches. The final result of the BAMS program is a polygon vector layer containing three categories: (a) burned perimeters, (b) unburned areas, and (c) non-observed areas. The latter refer to clouds or sensor observation OPEN ACCESSRemote Sens. 2014, 6 12361 errors. Outputs of the BAMS code meet the requirements of file formats and structure of standard validation protocols. This paper presents the tool's structure and technical basis. The program has been tested in six areas located in the United States, for various ecosystems and land covers, and then compared against the National Monitoring Trends in Burn Severity (MTBS) Burned Area Boundaries Dataset.

En esta introducción se recapitulan algunos aspectos del proceso de composición del texto escrito y de su enseñanza con el objeto de contextualizar el conjunto de trabajos de investigación y de reflexión teórica que integran este número monográfico. La escritura se presenta como una adquisición compleja debido a que, por una parte, se extiende con exigencias de dificultad creciente a lo largo de los estudios primarios, secundarios y superiores, y por otra, porque implica el dominio de numerosas y diversas habilidades cognitivas y discursivas. Los artículos que se introducen proporcionan una muestra sobre distintas facetas de este proceso que deben tomarse en cuenta para favorecer el aprendizaje y revertir situaciones ineficientes de enseñanza. Palabras clave: Composición escrita, enseñanza, habilidades de escritura, dificultades de escritura.