EGU General Assembly 2024
Debris flow catchments and landscape evolution in the northern Colombian Andes
Edier Aristizábal
1,2
, Oliver Korup
2
1 - Departamento de Geociencias y Medio Ambiente, Universidad Nacional, Medellín, Colombia
2 - Institute of Environmental Science and Geography, Postdam University, Germany
Multi-geohazard setting in Colombia
Study area relief
Source: Google Earth Engine
Rainfall
Data source: satellite rainfall CHIRPS (1981-2023), Spatial Res. 5km
Structural density
Debris flow --> rainfall
Debris flow --> rainfall
Source: García-Delgado et al. (2019)
Debris flow --> rainfall
Photo: Velasquez & Mejía (1992)
Landslide clusters triggered by rainfall
Landslide distribution
Transient catchments and landslide distribution
Transient catchments and debris flow
Spatial dependency of Hypsometric Integral
Hypsometric Integral and landslides
Hypsometric distribution and landslides
Knickpoint and landslides
Knickpoint and landslides
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