Centre d'étude nordiques (CEN), Laboratoire de
géomorphologie et de gestion des risques en montagne (LGGRM),
Université du Québec à Rimouski (UQAR), Rimouski, Canada
Francis Gauthier
Centre d'étude nordiques (CEN), Laboratoire de
géomorphologie et de gestion des risques en montagne (LGGRM),
Université du Québec à Rimouski (UQAR), Rimouski, Canada
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Viewed (geographical distribution)
Total article views: 1,511 (including HTML, PDF, and XML)
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Total article views: 1,084 (including HTML, PDF, and XML)
Thereof 1,058 with geography defined
and 26 with unknown origin.
Total article views: 427 (including HTML, PDF, and XML)
Thereof 400 with geography defined
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On highly fractured rockwalls such as those found in northern Gaspésie, most rockfalls are triggered by weather conditions. This study highlights that in winter, rockfall frequency is 12 times higher during a superficial thaw than during a cold period in which temperature remains below 0 °C. In summer, rockfall frequency is 22 times higher during a heavy rainfall event than during a mainly dry period. This knowledge could be used to implement a risk management strategy.
On highly fractured rockwalls such as those found in northern Gaspésie, most rockfalls are...