Magnitude and frequency: challenges for the assessment of vulnerability to geomorphic hazards

Fuchs, Sven; Keiler, Margreth; Tsao, Ting-Chi (2013). Magnitude and frequency: challenges for the assessment of vulnerability to geomorphic hazards. In: Brebbia, Carlos A. (ed.) Risk Analysis VIII. WIT transactions on information communication technologies: Vol. 44 (pp. 191-202). Southampton: WIT Press 10.2495/RISK120171

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In natural hazard research, risk is defined as a function of (1) the probability of occurrence of a hazardous process, and (2) the assessment of the related extent of damage, defined by the value of elements at risk exposed and their physical vulnerability. Until now, various works have been undertaken to determine vulnerability values for objects exposed to geomorphic hazards such as mountain torrents. Yet, many studies only provide rough estimates for vulnerability values based on proxies for process intensities. However, the deduced vulnerability functions proposed in the literature show a wide range, in particular with respect to medium and high process magnitudes. In our study, we compare vulnerability functions for torrent processes derived from studies in test sites located in the Austrian Alps and in Taiwan. Based on this comparison we expose needs for future research in order to enhance mountain hazard risk management with a particular focus on the question of vulnerability on a catchment scale.

Item Type:

Book Section (Book Chapter)

Division/Institute:

08 Faculty of Science > Institute of Geography > Physical Geography > Unit Geomorphology
08 Faculty of Science > Institute of Geography

UniBE Contributor:

Keiler, Margreth

Subjects:

900 History > 910 Geography & travel

ISBN:

978-1-84564-620-2

Series:

WIT transactions on information communication technologies

Publisher:

WIT Press

Language:

English

Submitter:

Monika Wälti-Stampfli

Date Deposited:

08 Aug 2014 08:36

Last Modified:

20 Aug 2015 11:45

Publisher DOI:

10.2495/RISK120171

Uncontrolled Keywords:

exposure, vulnerability, torrents, risk management, Taiwan, Austria

URI:

https://boris.unibe.ch/id/eprint/47544

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