Illgraben

Measuring massive surge waves along the Illgraben

Measuring massive surge waves along the Illgraben Gaby Clark Scientific Editor Robert Egan Associate Editor Researchers at the Swiss Federal Institute for Forest, Snow and Landscape Research (WSL) have, for the first time, been able to record a debris flow over a distance of two kilometers at the Illgraben (VS). The study reveals where and how waves form within the flow and what happens when they pass over check dams. The Illgraben in the canton of Valais is unique in Switzerland: here,...