Calculating dense-snow avalanche runout using a Voellmy-fluid model with active/passive longitudinal straining

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Bartelt, P., Salm, B., & Gruber, U. (1999). Calculating dense-snow avalanche runout using a Voellmy-fluid model with active/passive longitudinal straining. Journal of Glaciology, 45(150), 242-254. https://doi.org/10.3189/S002214300000174X