Articles | Volume 21, issue 6
Nat. Hazards Earth Syst. Sci., 21, 1769–1784, 2021
https://doi.org/10.5194/nhess-21-1769-2021
Nat. Hazards Earth Syst. Sci., 21, 1769–1784, 2021
https://doi.org/10.5194/nhess-21-1769-2021
Research article
03 Jun 2021
Research article | 03 Jun 2021

Uncertainty analysis of a rainfall threshold estimate for stony debris flow based on the backward dynamical approach

Marta Martinengo et al.

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Short summary
Rainfall thresholds are relations between rainfall intensity and duration on which the forecast of the possible occurrence of a debris flow can be based. To check the robustness of a physically based stony debris flow rainfall threshold, in this work we developed a procedure to estimate the effects of various sources of error on the determination of the threshold parameters. Results show that these effects are limited and therefore show the good robustness of the threshold estimate.
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