Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 26, issue 9
Articles | Volume 26, issue 9
https://doi.org/10.5194/nhess-26-4383-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-26-4383-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 9
Research article
 | 
11 Sep 2026
Research article |  | 11 Sep 2026

1950–2100 climate trends in avalanche activity in Haute-Maurienne, French Alps

François Doussot, Léo Viallon-Galinier, Nicolas Eckert, and Pascal Hagenmuller

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Short summary
Avalanches are sensitive to climate warming, but long and reliable records are rare. We combined avalanche observations with weather and snow simulations in the Haute-Maurienne valley (French Alps). This allowed us to reconstruct past avalanche activity and explore future changes. The results show a strong long-term decline in avalanche occurrence, especially in spring, while extreme events decrease more slowly. This study provides quantitative insights to support mountain risk management.
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