Articles | Volume 21, issue 3
https://doi.org/10.5194/nhess-21-1159-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-21-1159-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
31 Mar 2021
Research article |
| 31 Mar 2021
| 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
Chair of Physical Geography, Catholic University of Eichstätt-Ingolstadt, 85072 Eichstätt, Germany
Florian Haas
CORRESPONDING AUTHOR
Chair of Physical Geography, Catholic University of Eichstätt-Ingolstadt, 85072 Eichstätt, Germany
Tobias Heckmann
Chair of Physical Geography, Catholic University of Eichstätt-Ingolstadt, 85072 Eichstätt, Germany
Anne Mangeney
Institut de Physique du Globe de Paris, Université de Paris, CNRS, 75005 Paris, France
Virginie Durand
Institut de Physique du Globe de Paris, Université de Paris, CNRS, 75005 Paris, France
now at: Helmholtz Centre Potsdam – German Research Centre for Geosciences, GFZ, 14473 Potsdam, Germany
Nicolas Villeneuve
Institut de Physique du Globe de Paris, Université de Paris, CNRS, 75005 Paris, France
Laboratoire GéoSciences Réunion, Université de La Réunion, 97744 Saint-Denis, France
Philippe Kowalski
Institut de Physique du Globe de Paris, Université de Paris, CNRS, 75005 Paris, France
Observatoire Volcanologique du Piton de la Fournaise, Institut de Physique du Globe de Paris, 97418 La Plaine des Cafres, France
Aline Peltier
Institut de Physique du Globe de Paris, Université de Paris, CNRS, 75005 Paris, France
Observatoire Volcanologique du Piton de la Fournaise, Institut de Physique du Globe de Paris, 97418 La Plaine des Cafres, France
Michael Becht
Chair of Physical Geography, Catholic University of Eichstätt-Ingolstadt, 85072 Eichstätt, Germany
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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.
In mountainous regions rockfall is a common geomorphic process. We selected four study sites...
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