Articles | Volume 21, issue 8
Nat. Hazards Earth Syst. Sci., 21, 2543–2562, 2021
https://doi.org/10.5194/nhess-21-2543-2021
Nat. Hazards Earth Syst. Sci., 21, 2543–2562, 2021
https://doi.org/10.5194/nhess-21-2543-2021
Research article
25 Aug 2021
Research article | 25 Aug 2021

Optimizing and validating the Gravitational Process Path model for regional debris-flow runout modelling

Jason Goetz et al.

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Cited articles

Aaron, J., McDougall, S., and Nolde, N.: Two methodologies to calibrate landslide runout models, Landslides, 16, 907–920, https://doi.org/10.1007/s10346-018-1116-8, 2019. 
Aleotti, P. and Chowdhury, R.: Landslide hazard assessment: summary review and new perspectives, B. Eng. Geol. Environ., 58, 21–44, https://doi.org/10.1007/s100640050066, 1999. 
Angillieri, M. Y. E.: Debris flow susceptibility mapping using frequency ratio and seed cells, in a portion of a mountain international route, Dry Central Andes of Argentina, CATENA, 189, 104504, https://doi.org/10.1016/j.catena.2020.104504, 2020. 
Ardizzone, F., Cardinali, M., Carrara, A., Guzzetti, F., and Reichenbach, P.: Impact of mapping errors on the reliability of landslide hazard maps, Nat. Hazards Earth Syst. Sci., 2, 3–14, https://doi.org/10.5194/nhess-2-3-2002, 2002. 
ASF DAAC: ALOS PALSAR Radiometric Terrain Corrected high resolution digital elevation model: Includes Material © JAXA/METI, https://doi.org/10.5067/Z97HFCNKR6VA, 2011. 
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Short summary
Debris flows are fast-moving landslides that can cause incredible destruction to lives and property. Using the Andes of Santiago as an example, we developed tools to finetune and validate models predicting likely runout paths over large regions. We anticipate that our automated approach that links the open-source R software with SAGA-GIS will make debris-flow runout simulation more readily accessible and thus enable researchers and spatial planners to improve regional-scale hazard assessments.
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