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

Wegner, Kerstin; Haas, Florian; Heckmann, Tobias; Mangeney, Anne; Durand, Virginie; Villeneuve, Nicolas; Kowalski, Philippe; Peltier, Aline; Becht, Michael

doi:https://doi.org/10.5194/nhess-21-1159-2021

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.

https://doi.org/10.5194/nhess-21-1159-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 21, issue 3

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, Florian Haas, Tobias Heckmann, Anne Mangeney, Virginie Durand, Nicolas Villeneuve, Philippe Kowalski, Aline Peltier, and Michael Becht

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Final revised paper (published on 31 Mar 2021)
Preprint (discussion started on 06 Oct 2020)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'comment', Anonymous Referee #1, 27 Oct 2020
- AC1: 'Response to reviewer #1', Kerstin Wegner, 18 Dec 2020
RC2: 'Comment to the manuscropt', Anonymous Referee #2, 27 Oct 2020
- AC2: 'Response to reviewer #2', Kerstin Wegner, 18 Dec 2020
RC3: 'Comment', Anonymous Referee #3, 27 Oct 2020
- AC3: 'Response to reviewer #3', Kerstin Wegner, 18 Dec 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Reconsider after major revisions (further review by editor and referees) (21 Dec 2020) by Yves Bühler

AR by Kerstin Wegner on behalf of the Authors (16 Feb 2021) Author's response Author's tracked changes Manuscript

ED: Referee Nomination & Report Request started (17 Feb 2021) by Yves Bühler

RR by Anonymous Referee #2 (25 Feb 2021)

ED: Publish subject to technical corrections (25 Feb 2021) by Yves Bühler

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.