Articles | Volume 16, issue 3
Nat. Hazards Earth Syst. Sci., 16, 719–735, 2016
https://doi.org/10.5194/nhess-16-719-2016
Nat. Hazards Earth Syst. Sci., 16, 719–735, 2016
https://doi.org/10.5194/nhess-16-719-2016

Research article 15 Mar 2016

Research article | 15 Mar 2016

Influence of meteorological factors on rockfall occurrence in a middle mountain limestone cliff

Julie D'Amato et al.

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The influence of meteorological conditions on rockfall occurrence has been often highlighted, but quantitative analyses are rare. A near-continuous survey of a limestone cliff has shown that the rockfall frequency can be multiplied by 7 during freeze-thaw episodes and 26 when the mean rainfall intensity (since the beginning of the rainfall episode) is higher than 5 mm h−1. Based on these results, a three-level scale has been proposed for predicting the temporal variations of rockfall frequency.
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