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| Titel |
Avalanche related damage potential - changes of persons and mobile values since the mid-twentieth century, case study Galtür |
| VerfasserIn |
M. Keiler, A. Zischg, S. Fuchs, M. Hama, J. Stötter  |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1561-8633
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| Digitales Dokument |
URL |
| Erschienen |
In: Natural Hazards and Earth System Science ; 5, no. 1 ; Nr. 5, no. 1 (2005-01-04), S.49-58 |
| Datensatznummer |
250002190
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| Publikation (Nr.) |
 copernicus.org/nhess-5-49-2005.pdf |
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| Zusammenfassung |
| When determining risk related to natural hazard processes, many studies
neglect the investigations of the damage potential or are limited to the
assessment of immobile values like buildings. However, persons as well as
mobile values form an essential part of the damage potential. Knowledge of
the maximum number of exposed persons in an endangered area is of great
importance for elaborating evacuation plans and immediate measures in case
of catastrophes. In addition, motor vehicles can also be highly damaged, as
was shown by the analysis of avalanche events. With the removal of mobile
values in time as a preventive measure this kind of damage can be minimised.
This study presents a method for recording the maximum number of exposed
persons and monetarily assessing motor vehicles in the municipality of
Galtür (Tyrol, Austria). Moreover, general developments of the damage
potential due to significant socio-economic changes since the mid-twentieth
century are pointed out in the study area. The present situation of the
maximum number of persons and mobile values in the official avalanche hazard
zones of the municipality is described in detail. Information on the number
of persons is derived of census data, tourism and employment statistics.
During the winter months, a significant increase overlaid by strong
short-term fluctuation in the number of persons can be noted. These changes
result from a higher demand of tourism related manpower as well as from
varying occupancy rates. The number of motor vehicles in endangered areas is
closely associated to the number of exposed persons. The potential number of
motor vehicles is investigated by means of mapping, statistics on the stock
of motor vehicles and the density distribution. Diurnal and seasonal
fluctuations of the investigated damage potential are pointed out. The
recording of the number of persons and mobile values in endangered areas is
vital for any disaster management. |
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