Articles | Volume 22, issue 7
Nat. Hazards Earth Syst. Sci., 22, 2433–2443, 2022
https://doi.org/10.5194/nhess-22-2433-2022
Nat. Hazards Earth Syst. Sci., 22, 2433–2443, 2022
https://doi.org/10.5194/nhess-22-2433-2022
Research article
25 Jul 2022
Research article | 25 Jul 2022

Full-scale experiments to examine the role of deadwood in rockfall dynamics in forests

Adrian Ringenbach et al.

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Cited articles

Ammann, M.: Schutzwirkung abgestorbener Bäume gegen Naturgefahren, Eidg. Forschungsanstalt für Wald Schnee und Landschaft WSL, Birmensdorf, https://www.dora.lib4ri.ch/wsl/islandora/object/wsl:10347, (last access: 14 July 2022), 2006. a, b
Bourrier, F., Dorren, L. K. A., and Berger, F.: Full scale field tests on rockfall impacting trees felled transverse to the slope, in: Conference proceedings/12th Congress Interpraevent, edited by: Koboltschnig, G. and Huebl, J., International Research Society INTERPRAEVENT, Klagenfurt, 643–650, http://www.interpraevent.at/palm-cms/upload_files/Publikationen/Tagungsbeitraege/2012_2_643.pdf, (last access: 14 July 2022), 2012. a, b, c, d, e, f
Caviezel, A., Schaffner, M., Cavigelli, L., Niklaus, P., Buhler, Y., Bartelt, P., Magno, M., and Benini, L.: Design and Evaluation of a Low-Power Sensor Device for Induced Rockfall Experiments, IEEE T. Instrum. Meas., 67, 767–779, https://doi.org/10.1109/TIM.2017.2770799, 2018. a
Caviezel, A., Demmel, S. E., Ringenbach, A., Bühler, Y., Lu, G., Christen, M., Dinneen, C. E., Eberhard, L. A., von Rickenbach, D., and Bartelt, P.: Reconstruction of four-dimensional rockfall trajectories using remote sensing and rock-based accelerometers and gyroscopes, Earth Surf. Dynam., 7, 199–210, https://doi.org/10.5194/esurf-7-199-2019, 2019a. a
Caviezel, A., Lu, G., Demmel, S. E., Ringenbach, A., Bühler, Y., Christen, M., and Bartelt, P.: RAMMS::ROCKFALL – a modern 3-dimensional simulation tool calibrated on real world data, in: 53rd US rock mechanics/geomechanics symposium, vol. 19-223, edited by: American Rock Mechanics Association, https://www.dora.lib4ri.ch/wsl/islandora/object/wsl:22147, (last access: 14 July 2022), 2019b. a
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Forests have a recognized braking effect on rockfalls. The impact of lying deadwood, however, is mainly neglected. We conducted 1 : 1-scale rockfall experiments in three different states of a spruce forest to fill this knowledge gap: the original forest, the forest including lying deadwood and the cleared area. The deposition points clearly show that deadwood has a protective effect. We reproduced those experimental results numerically, considering three-dimensional cones to be deadwood.
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