The Amount of Snow Deposited at Avalanche Sites

It is often important, when designing defence structures in the avalanche path and in the terminus, as well as for hydrological studies, to know the amount of snow that slides at known avalanche sites. The total amount of avalanche snow deposited during several winters was investi-gated at selected sites in Glacier National Park, in British Columbia, Canada. The number, type, and size of avalanches depend on the weather and vary considerably from year to year. A simple relationship was found, however, between the greatest amount of snow that could be brought to the valley bottom in anyone year and the characteristics of terrain, exposure, and snowfall in the starting zone of the avalanches. I