Abstract. Knowledge of how debris flows result in the fan-shaped morphology around a channel outlet is crucial for mitigation debris-flow-related disasters and investigation previous sediment transport from upper channel. Therefore, using flume connected to deposition area (inundation plane), this study conducted fan-morphology experiments assess effects differences grain-size distribution with...

The surface of the Earth is snow-covered at least seasonally over large areas. This snow highly dynamic, particularly under influence strong winds. motion particles driven by wind not only changes cover but has important consequences for atmosphere in that it adds mass and moisture extracts heat. Large scale meteorological climatological models neglect these dynamics or produce conflicting resu...

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