2017
DOI: 10.14350/rig.57318
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Modelo morfométrico para determinar áreas susceptibles a procesos de ladera

Abstract: En países tropicales donde existen condiciones geodinámicas activas, tanto internas como externas, y el modelado del relieve está en constante modificación, los procesos de ladera son una de las amenazas naturales más recurrentes que causan pérdidas humanas y económicas todos los años. El área de estudio comprende una sección de 52 km2 en las coordenadas geográficas extremas: 10,23° N y 10,18° S, -84,23° W y -84,14° E, la cual se localiza en la ladera noreste del volcán Poás en Costa Rica. El objetivo de este … Show more

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Cited by 11 publications
(14 citation statements)
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“…First, a digital terrain model (DTM) was made from 10-m-equidistant contour lines (INEGI, 2011), then the DTM was used as input in ArcMap to produce a hillshade model, an elevation map, and a slope map. Next, using ArcMap for calculations and measurements, the slope map was reclassified into seven new ranges representing the potential mass movement according to Aceves-Quesada et al (2014), which was used to make a zonation of landforms relative to the process of vertical erosion, and a relief energy map based on 0.04 km 2 quadrantswhich expresses the maximum elevation changeuse to describe the potential of the denudation and relief evolution processes, and the presence of geological structures and threats (Lugo-Hubp, 1988;Quesada-Román & Barrantes-Castillo, 2017). These products supported the interpretation of geomorphological landscapes and landforms following the methodology of Francioni et al (2019), Miccadei et al (2012), Miccadei et al (2013) and Ventura et al (2005).…”
Section: Methodsmentioning
confidence: 99%
“…First, a digital terrain model (DTM) was made from 10-m-equidistant contour lines (INEGI, 2011), then the DTM was used as input in ArcMap to produce a hillshade model, an elevation map, and a slope map. Next, using ArcMap for calculations and measurements, the slope map was reclassified into seven new ranges representing the potential mass movement according to Aceves-Quesada et al (2014), which was used to make a zonation of landforms relative to the process of vertical erosion, and a relief energy map based on 0.04 km 2 quadrantswhich expresses the maximum elevation changeuse to describe the potential of the denudation and relief evolution processes, and the presence of geological structures and threats (Lugo-Hubp, 1988;Quesada-Román & Barrantes-Castillo, 2017). These products supported the interpretation of geomorphological landscapes and landforms following the methodology of Francioni et al (2019), Miccadei et al (2012), Miccadei et al (2013) and Ventura et al (2005).…”
Section: Methodsmentioning
confidence: 99%
“…Se parte de la utilización de curvas de nivel a escalas superiores a 1:50.000, para este caso a escala 1:25.000 con coordenadas métricas CRTM05. Se seleccionaron cuatro parámetros que representan la dinámica de laderas, derivados del modelo de elevación del terreno (MDT) y de la red fluvial, una descripción amplia y completa del modelo puede ser consultada en Quesada y Barrantes (2017).…”
Section: Método Morfométricounclassified
“…En el caso de este trabajo, se van a explicar, implementar y comparar dos metodologías para la determinación de zonas susceptibles a deslizamientos: la Mora-Vahrson (1994) y la morfometría (Lugo, 1988;Quesada-Román, 2016; Quesada-Román y Barrantes, 2017).…”
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“…Within one site it is possible to observe differences in the properties of eroded soils, depending on the shape and steepness of the slope. A number of papers have been devoted to the study of these features [1][2][3][4][5][6][7].…”
Section: Introductionmentioning
confidence: 99%