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    Université de Fribourg

    Numerical modelling of convective heat transport by air flow in permafrost talus slopes

    Wicky, Jonas ; Hauck, Christian

    In: The Cryosphere, 2017, vol. 11, no. 3, p. 1311–1325

    Talus slopes are a widespread geomorphic feature in the Alps. Due to their high porosity a gravity-driven internal air circulation can be established which is forced by the gradient between external (air) and internal (talus) temperature. The thermal regime is different from the surrounding environment, leading to the occurrence of permafrost below the typical permafrost zone. This phenomenon...