Articles | Volume 23, issue 9
https://doi.org/10.5194/nhess-23-3051-2023
https://doi.org/10.5194/nhess-23-3051-2023
Research article
 | 
08 Sep 2023
Research article |  | 08 Sep 2023

The concept of event-size-dependent exhaustion and its application to paraglacial rockslides

Stefan Hergarten

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Cited articles

Aaron, J., Wolter, A., Loew, S., and Volken, S.: Understanding failure and runout mechanisms of the Flims rockslide/rock avalanche, Front. Earth Sci., 8, 224, https://doi.org/10.3389/feart.2020.00224, 2020. a, b
Alvioli, M., Guzzetti, F., and Rossi, M.: Scaling properties of rainfall induced landslides predicted by a physically based model, Geomorphology, 213, 38–47, https://doi.org/10.1016/j.geomorph.2013.12.039, 2014. a
Argentin, A.-L., Robl, J., Prasicek, G., Hergarten, S., Hölbling, D., Abad, L., and Dabiri, Z.: Controls on the formation and size of potential landslide dams and dammed lakes in the Austrian Alps, Nat. Hazards Earth Syst. Sci., 21, 1615–1637, https://doi.org/10.5194/nhess-21-1615-2021, 2021. a, b
Bak, P., Tang, C., and Wiesenfeld, K.: Self-organized criticality. An explanation of 1/f noise, Phys. Rev. Lett., 59, 381–384, https://doi.org/10.1103/PhysRevLett.59.381, 1987. a
Ballantyne, C. K.: A general model of paraglacial landscape response, Holocene, 12, 371–376, https://doi.org/10.1191/0959683602hl553fa, 2002a. a
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Short summary
Rockslides are a major hazard in mountainous regions. In formerly glaciated regions, the disposition mainly arises from oversteepened topography and decreases through time. However, little is known about this decrease and thus about the present-day hazard of huge, potentially catastrophic rockslides. This paper presents a new theoretical framework that explains the decrease in maximum rockslide size through time and predicts the present-day frequency of large rockslides for the European Alps.
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