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Automatic determination of slab avalanche release areas
[Détermination automatique des zones de départ d'avalanches]

Author

Listed:
  • V. Douzal

    (UR ETGR (ETNA) - Érosion torrentielle, neige et avalanches - CEMAGREF - Centre national du machinisme agricole, du génie rural, des eaux et forêts, UMR TETIS - Territoires, Environnement, Télédétection et Information Spatiale - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - AgroParisTech - CEMAGREF - Centre national du machinisme agricole, du génie rural, des eaux et forêts)

Abstract

Today, avalanche hazard zoning can benefit numerical simulations of their propagation. But determining their release areas remains a manual operation, which has the potential to strongly bias the conclusions. This work aims at providing a publicly available operational method to determine large avalanche release areas. We apply image processing methods to a digital elevation model of the relief, with filters and combinations between image planes, navigating the scale space.

Suggested Citation

  • V. Douzal, 2008. "Automatic determination of slab avalanche release areas [Détermination automatique des zones de départ d'avalanches]," Working Papers hal-02594529, HAL.
    • Handle: RePEc:hal:wpaper:hal-02594529
    Note: View the original document on HAL open archive server: https://hal.inrae.fr/hal-02594529
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