EventsThe 5th International Electronic Conference on Remote Sensing
Published
with-doi10.3390/ECRS2023-16657 (registering DOI)
This submission belongs to the session S3. Remote sensing applications of the event The 5th International Electronic Conference on Remote Sensing
Published date
22 Dec, 2023
Academic Editor
author-avatarJavier F. Calleja
Citation
Waldo Pérez-Martínez, Benjamín Castro-Cancino, Natalia Tapia-Pineda, Paulina Vidal-Páez, Idania Briceño-DeUrbaneja, Freddy A. Saavedra, Debris Flow and Flood Susceptibility Using Remote Sensing and GIS data: A Case of the Central Andes of Chile (33°13’ -33°30’), in Proceedings of The 5th International Electronic Conference on Remote Sensing, 7 November–21 November 2023, MDPI: Basel, Switzerland, doi: 10.3390/ECRS2023-16657
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Debris Flow and Flood Susceptibility Using Remote Sensing and GIS data: A Case of the Central Andes of Chile (33°13’ -33°30’)

Natalia Tapia-Pineda 1
Freddy A. Saavedra 4,5,6
1. Hémera Centro de Observación de la Tierra, Escuela de Ingeniería Forestal, Facultad de Ciencias, Ingenieríay Tecnología, Universidad Mayor, Santiago 8580745, Chile, Chile
2. Departamento de Ingeniería cartográfica, Geodesia y Fotogrametría, Universitat Politècnica de València, Valencia 46022, Spain
3. Departamento de Ingeniería cartográfica, Geodesia y Fotogrametría, Universitat Politècnica de València, Valencia 46022, Spain
4. Departamento de Ciencias Geográficas, Facultad de Ciencias Naturales y Exactas, Universidad de Playa Ancha, Valparaíso 2360002, Chile, Chile
5. Laboratorio de Teledetección Ambiental (TeleAmb), Universidad de Playa Ancha, Valparaíso 2360002, Chile
6. HUB-AMBIENTAL UPLA, Universidad de Playa Ancha, Valparaíso 2360002, Chile
Abstract

In the study area, landslides represent the most frequent geological-geomorphological hazard in mountain environments, causing damage to infrastructure, local economies and loss of human lives. A landslide susceptibility map was developed, based on the sum of the weighted scores of the landslides conditioning factors. 21% of the study area is in high and very high susceptibility zones to be affected by landslides. These areas are concentrated in the headwaters of basins, valley bottoms, steep slopes and in the main riverbeds and streams.

Keywords
susceptibility
debris flow
debris flood
landslides
GIS
remote sensing
Santiago
Andes centrales Chile
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