Identificación de tipos de deslizamientos en la zona de acantilados entre Ancón y Anconcito, Santa Elena, Ecuador

Lucrecia Cristina Moreno Alcivar

Resumen


En las costas ecuatorianas, son frecuentes los deslizamientos que se presentan en acantilados que corresponden a una inestabilidad mantenida por las características mecánicas de suelos y rocas en la que se presentan discontinuidades, planos de falla que son activadas por las precipitaciones o erosión costera; por este motivo esta investigación estuvo enfocada en identificar los diferentes tipos de deslizamientos que se encuentran en las zonas de acantilados costeros de Ancón y Anconcito en la provincia de Santa Elena, este estudio se llevó a cabo mediante vuelos fotogramétricos con tecnología UAV, realizado por tres vuelos en la zona de estudio. Se encontró que el sector de estudio corresponde a una costa rocosa de tipo inclinada, en donde se hallaron deslizamientos de masas (suelos) y deslizamientos de rocas, tales como: rotacionales, flujos de tierra, cárcavas de erosión, caída de bloques, socavamientos, roturas planares y roturas en cuña. Los resultados identificados en las zonas estudiadas resaltan la importancia en conocer cuan susceptibles son a diferentes tipos de movimientos debido a la alta erosión costera por incidencia del oleaje y otros factores, por otro lado, se debe realizar investigaciones que denoten cuanto es el retroceso costero (m/año) producido por deslizamientos en estas zonas.


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DOI: http://dx.doi.org/10.17268/manglar.2022.031

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