Department of Civil Engineering, Montana State University, Bozeman, MT 59717, USA
Abstract. The Rapid Mass Movements Simulator (RAMMS) is an avalanche dynamics software tool for research and forecasting. Since the model’s conception, the sensitivity of inputs on simulation results has been well-documented. Here, we introduce a new method for initializing RAMMS that can be easily operationalized for avalanche forecasting using high resolution LiDAR data. As a demonstration, hypothetical avalanche simulations were performed while incrementally incorporating semi-automated LiDAR-derived values for snow depth, interface topography, and vegetative cover from field-collected LiDAR data. Results show considerable variation in the calculated runout extent, flow volume, pressure, and velocity of the simulated avalanches when incorporating these LiDAR-derived values.
How to cite. Dillon, J. and Hammonds, K.: Brief Communication: Initializing RAMMS with High Resolution
LiDAR Data for Avalanche Simulations, The Cryosphere Discuss. [preprint], https://doi.org/10.5194/tc-2020-368, 2021.
Received: 18 Dec 2020 – Discussion started: 11 Jan 2021