Articles | Volume 21, issue 3
Nat. Hazards Earth Syst. Sci., 21, 1159–1177, 2021
https://doi.org/10.5194/nhess-21-1159-2021
Nat. Hazards Earth Syst. Sci., 21, 1159–1177, 2021
https://doi.org/10.5194/nhess-21-1159-2021

Research article 31 Mar 2021

Research article | 31 Mar 2021

Assessing the effect of lithological setting, block characteristics and slope topography on the runout length of rockfalls in the Alps and on the island of La Réunion

Kerstin Wegner et al.

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Latest update: 28 Sep 2021
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Short summary
In mountainous regions rockfall is a common geomorphic process. We selected four study sites that feature different rock types. High-resolution terrestrial laser scanning data were acquired to measure the block size and block shape (axial ratio) of rockfall particles on the scree deposits. Laser scanning data were also used to characterize the morphology of these landforms. Our results show that hill slope and rock particle properties govern rock particle runout in a complex manner.
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