Articles | Volume 20, issue 7
https://doi.org/10.5194/nhess-20-1919-2020
https://doi.org/10.5194/nhess-20-1919-2020
Research article
 | 
03 Jul 2020
Research article |  | 03 Jul 2020

Sensitivity and identifiability of rheological parameters in debris flow modeling

Gerardo Zegers, Pablo A. Mendoza, Alex Garces, and Santiago Montserrat

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Short summary
We perform a sensitivity analysis on the parameters of a numerical debris flow model and examine the effects of using post-event measurements on two creeks in Chile. Our results demonstrate the utility of sensitivity analysis in debris flow modeling and the benefits of post-event observations on parameter identifiability. This study provides guidance on the choice of uncertain parameters, contributing to more reliable simulations for debris flow risk assessments and land use planning.
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