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| Titel |
Is climate change causing increased rockfall frequency in Austria? |
| VerfasserIn |
O. Sass, M. Oberlechner |
| 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 ; 12, no. 11 ; Nr. 12, no. 11 (2012-11-01), S.3209-3216 |
| Datensatznummer |
250011182
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| Publikation (Nr.) |
 copernicus.org/nhess-12-3209-2012.pdf |
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| Zusammenfassung |
| Potentially, increasing rockfall hazards triggered by climate change are a
major concern expressed both in scientific and non-scientific media. An
existing rockfall inventory for Austria including 252 events from ca. 1900 to
2010, mainly from non-permafrost areas, was analysed. The correlation of
events with temperatures is very weak and no increase of rockfall frequency
during warmer periods was observed. The peak of rockfall activity is in
spring, whereas in recent decades a secondary summer maximum appeared in the
records. A possible reason for this shift is reduced rockfall activity in
spring due to warmer winters. We conclude that a premature warning of
increasing rockfall hazard, especially below the permafrost limit, is not
supported by the existing data. |
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