Abstract
We present a mathematical model for movement of debris flows, based on kinematic wave theory, and apply our model to published data from two debris flows that occurred in 1981 on Mount St. Helens, Washington, U.S.A. The model, which is based on a relationship originally developed for water flow in open channels, shows good agreement with the field data.
Résumé
Un modèle mathématique est présenté, qui concerne la dynamique des «laves torentielles», basé sur la théorie de l'onde cinématique. Le modèle est appliqué aux données publiées se rapportant à deux phénomènes de laves torrentielles qui ne sont produits en 1981 sur le Mont St. Helens, Etat de Washington, aux Etats-Unis. Le modèle qui est basé sur une équation développée à l'origine pour le flux d'eau en canal ouvert, laisse apparaître une bonne correspondance avec les données expérimentales.
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Arattano, M., Savage, W.Z. Modelling debris flows as kinematic waves. Bulletin of the International Association of Engineering Geology 49, 3–13 (1994). https://doi.org/10.1007/BF02594995
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DOI: https://doi.org/10.1007/BF02594995