Evaluación integrada de susceptibilidad a inundaciones en cuenca manabita mediante herramientas geomáticas de análisis espacial

Esteban Xavier Viteri Hidrovo; Williams José Méndez Mata

doi:10.56124/sapientiae.v9i20.018

Autores/as

Esteban Xavier Viteri Hidrovo Universidad Técnica de Manabí
Williams José Méndez Mata Universidad Tecnica de Manabi; Facultad de Ingenieria y Ciencias Aplicadas; Departamento de Construcciones Civiles, Arquitectura y Geologia

DOI:

https://doi.org/10.56124/sapientiae.v9i20.018

Resumen

En la costa ecuatoriana, las precipitaciones intensas inducen, de manera recurrente, a la ocurrencia de episodios de inundaciones que impactan severamente sobre la población. Se evaluó la susceptibilidad a las inundaciones en la cuenca del río Garrapata mediante una aproximación integrada, basada en herramientas geomáticas. La metodología incluyó la evaluación geoespacial de factores condicionantes, su modelación multivariable mediante el Proceso de Jerarquía Analítica (AHP) y, la generación de un mapa de susceptibilidad. El modelo fue validado con un índice de confiabilidad de 0,015, evidenciándose alta exactitud en la delimitación de unidades de susceptibilidad. Se identificó que la precipitación, altitud, pendiente, proximidad a la red de drenaje y el índice de potencia del flujo son los principales factores condicionantes en la ocurrencia de inundaciones. Aproximadamente, el 45,19 % de la superficie de la cuenca se clasifica como de muy alta a alta susceptibilidad, concentrándose, principalmente, en los sectores de llanuras aluviales.

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Biografía del autor/a

Esteban Xavier Viteri Hidrovo, Universidad Técnica de Manabí

Maestría en Geomática, Facultad de Posgrado. Universidad Técnica de Manabí. Portoviejo, Ecuador.

Williams José Méndez Mata, Universidad Tecnica de Manabi; Facultad de Ingenieria y Ciencias Aplicadas; Departamento de Construcciones Civiles, Arquitectura y Geologia

Docente investigador de la Universidad Tecnica de Manabi; Facultad de Ingenieria y Ciencias Aplicadas; Departamento de Construcciones Civiles, Arquitectura y Geologia

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