Articles | Volume 22, issue 7
https://doi.org/10.5194/nhess-22-2433-2022
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, Elia Stihl, Yves Bühler, Peter Bebi, Perry Bartelt, Andreas Rigling, Marc Christen, Guang Lu, Andreas Stoffel, Martin Kistler, Sandro Degonda, Kevin Simmler, Daniel Mader, and Andrin Caviezel

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Cited articles

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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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