Articles | Volume 25, issue 12
https://doi.org/10.5194/nhess-25-4881-2025
https://doi.org/10.5194/nhess-25-4881-2025
Research article
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10 Dec 2025
Research article | Highlight paper |  | 10 Dec 2025

Constitution of a multicentennial multirisk database in a mountainous environment from composite sources: the example of the Vallouise-Pelvoux municipality (Ecrins, France)

Louise Dallons Thanneur, Florie Giacona, Nicolas Eckert, and Philippe Frey

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Cited articles

Allen, S., Linsbauer, A., Huggel, C., and Singh Randhawa, S.: Glacial Lake Outburst Flood Risk in Himachal Pradesh, India: An Integrative and Anticipatory Approach to Inform Adaptation Planning, EPSC2016-13545, 2016. 
Altaweel, M., Virapongse, A., Griffith, D., Alessa, L., and Kliskey, A.: A typology for complex social-ecological systems in mountain communities, Sustainability: Science, Practice and Policy, 11, 1–13, https://doi.org/10.1080/15487733.2015.11908142, 2015. 
Athimon, E., Maanan, M., and Pouzet, P.: Comparer les tempêtessur le temps long en quantifiant les dommages : proposition d'un nouvel outil, Bulletin de l'association de géographes français. Géographies, 98, 402–420, https://doi.org/10.4000/bagf.8308, 2022. 
Baraille, S.: Les crues dommageables dans le bassin de la haute Durance (Hautes-Alpes, France). Recensement depuis le XIVe siècle ; signification climatique ; facteurs météorologiques et prévision, 665 pp., 2001. 
Bard, A., Renard, B., Lang, M., Giuntoli, I., Korck, J., Koboltschnig, G., Janža, M., d'Amico, M., and Volken, D.: Trends in the hydrologic regime of Alpine rivers, Journal of Hydrology, 529, 1823–1837, https://doi.org/10.1016/j.jhydrol.2015.07.052, 2015. 
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Executive editor
The paper develops an innovative methodology for creating a comprehensive multirisk database spanning more than four centuries, which is exceptionally rare in natural hazard studies. Its temporal depth and detailed documentation of impacts provide valuable insights into the long-term dynamics of hazards and their interactions with society. By covering multiple hazard types and cascading events, the study offers broadly transferable methods and findings that will be of interest well beyond the case study area.
Short summary
This paper proposes a methodology to develop a long-range multirisk database. Combining scattered pre-existing records and intensive research in historical archives provides a 1600–2020 record of past events in a valley of the French Alps. It goes far beyond any inventory existing in terms of number of events, temporal coverage and detailed description of events characteristics in a mountain context. Spatio-temporal patterns are analysed, opening perspective for multirisk assessment.
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