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Workshop on World Landslide Forum | 2017

Modelling Shallow Landslides Triggered by Rainfall in Tropical and Mountainous Basins

Edier Aristizábal; Hernán Martínez-Carvajal; Edwin Fabián García-Aristizábal

Shallow landslides triggered by rainfall in tropical environments are controlled by the weathering tropical profile and its water storage capacity. Although landslides triggered by rainfall are common in tropical and mountainous basins, few studies have been applied to the case of tropical regions, which are characterized by intense rainfall and deep weathering profiles. Thus, it is necessary to implement over these areas physical models and methodologies to determine the spatial location of landslides and their susceptibility level. In this work, a conceptual and physically based model called SHIA_Landslide (Simulacion HIdrologica Abierta, or SHIA, in Spanish) that is supported by geotechnical and hydrological features occurring on a basin-wide scale in tropical and mountainous terrains is described. This model incorporates a comprehensive distributed hydrological tank model that includes water storage in the soil coupled with a classical infinite-slope stability analysis under saturated conditions. Additionally, this work presents the analyses and results of the implementation of the SHIA_Landslide model to estimate the landslides caused by a rainfall occurred on September 21st, 1990, in a basin of tropical and mountainous terrains of Colombian Andes. In less than 3 h, a precipitation of 208 mm fell within the study area, triggering more than 800 landslides. The results obtained by the model are compared with a landslide inventory presented during the event. Finally, the efficiency of SHIA_Landslide is evaluated in terms of landslide density and susceptibility classes (degree of fit and success-rate curve), and the prediction capacity by ROC (Receiver Operating Characteristics) analysis. It is possible to show a good performance of the model suggesting that SHIA_Landslide is able to simulate the physics involved on landslides triggered by rainfall in tropical and mountainous terrains.


Revista EIA | 2011

ANALYSIS OF EMPIRICAL RAINFALL THRESHOLDS FOR THE PROGNOSIS OF LANDSLIDES IN THE ABURRÁ VALLEY, COLOMBIA

Edier Aristizábal; Tommy González; Juan David Montoya; Jaime Ignacio Vélez; Hernán Martínez; Alexánder Guerra


Revista de la Academia Colombiana de ciencias exactas, físicas y naturales | 2010

Una revisión sobre el estudio de movimientos en masa detonados por lluvias

Edier Aristizábal; Hernán Martínez; Jaime Ignacio Vélez Upegui


Boletín de Ciencias de la Tierra | 2018

Propuesta metodológica para la zonificación de la susceptibilidad y amenaza por movimientos en masa en proyectos lineales: Caso de estudio Tramo 2, vía Medellín - Turbo

Johanna Andrea Jiménez; Edier Aristizábal


Revista EIA | 2017

INFLUENCIA DE LA LLUVIA ANTECEDENTE Y LA CONDUCTIVIDAD HIDRÁULICA EN LA OCURRENCIA DE DESLIZAMIENTOS DETONADOS POR LLUVIAS UTILIZANDO EL MODELO SHIA_LANDSLIDE

Edier Aristizábal; Jaime Ignacio Vélez Upegui; Hernán Eduardo Martínez Carvajal


Ingeniería y Ciencia | 2017

Metodología para la zonificación de la susceptibilidad por movimientos en masa en proyectos lineales. Estudio de caso en elacueducto del municipio de Fredonia,Antioquia

Juliana Mendoza Ramirez; Edier Aristizábal


Revista EIA | 2013

ANÁLISIS DE UMBRALES EMPÍRICOS DE LLUVIA PARA EL PRONÓSTICO DE MOVIMIENTOS EN MASA EN EL VALLE DE ABURRÁ, COLOMBIA (ANALYSIS OF EMPIRICAL RAINFALL THRESHOLDS FOR THE PROGNOSIS OF LANDSLIDES IN THE ABURRÁ VALLEY, COLOMBIA)

Edier Aristizábal; Tommy González; Juan David Montoya; Jaime Ignacio Vélez; Hernán Martínez; Alexánder Guerra


Revista EIA | 2011

ANÁLISE DE LIMIARES EMPÍRICOS DE PRECIPITAÇÃO PARA O PROGNÓSTICO DE MOVIMENTOS EM MASSA NO VALE DE ABURRÁ, COLÔMBIA

Edier Aristizábal; Tommy González; Juan David Montoya; Jaime Ignacio Vélez; Hernán Martínez; Alexánder Guerra


Revista EIA | 2011

Análisis de umbrales empíricos de lluvia para el pronóstico de movimientos en masa en el Valle de Aburrá, Colombia

Edier Aristizábal; Tommy González; Juan David Montoya; Jaime Ignacio Vélez; Hernán Martínez; Alexánder Guerra


Revista EIA | 2008

CARACTERÍSTICAS, DINÁMICA Y CAUSAS DEL MOVIMIENTO EN MASA DEL BARRIO EL SOCORRO (31 DE MAYO DE 2008) EN MEDELLÍN

Edier Aristizábal

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Alexánder Guerra

National University of Colombia

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Jaime Ignacio Vélez

National University of Colombia

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Johanna Andrea Jiménez

National University of Colombia

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