Articles | Volume 20, issue 1
Nat. Hazards Earth Syst. Sci., 20, 221–241, 2020
https://doi.org/10.5194/nhess-20-221-2020

Special issue: Advances in computational modelling of natural hazards and...

Nat. Hazards Earth Syst. Sci., 20, 221–241, 2020
https://doi.org/10.5194/nhess-20-221-2020
Research article
20 Jan 2020
Research article | 20 Jan 2020

Modeling the effects of sediment concentration on the propagation of flash floods in an Andean watershed

María Teresa Contreras and Cristián Escauriaza

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Short summary
In this investigation we study the effects of high sediment concentrations on the dynamics of flash floods in mountain regions, with an application to a river in the Andes that has produced catastrophic events in the city of Santiago, Chile. We develop an advanced computational model to understand the effects of floods with high sediment loads on steep channels. These new insights can be used to design early warning systems and contribute to urban planning in cities near mountain rivers.
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