by Aline Grötsch | Jul 4, 2020
Debris flow alarm system Carrera creek Challenge The Carrerabach is a tributary of the Vorderrhein and joins the Ruinaulta (Rhine Gorge) in the Carrerabach delta near the village of Valendas-Sagogn. The Carrera ravine is a wild, unpredictable gorge with a frequently...
by Aline Grötsch | Jun 16, 2020
Rockfall alarm system Gumpisch, Axenstrasse Challenge The Axenstrasse is a road section of the Swiss national road network at lake Lucerne and is part of one of the most important North-South corridors in Europe. On average, 16,000 vehicles travel the picturesque...
by Aline Grötsch | May 19, 2020
Avalanche radars Bear Pass Challenge Highway 37A is the only road connecting the mainland centers and the coastal town of Stewart (British Columbia, Canada) and the border town of Hyder (Alaska, USA). Stewart serves as Canada’s northernmost year-round ice-free port...
by Aline Grötsch | Mar 7, 2019
Rockfall radar Brienz Challenge The Swiss village of Brienz is located on a sunny slope of the Albula valley amidst a large landslide area. The entire slope including village has been sliding very slowly downhill for many years, but in recent years the slide velocity...
by Aline Grötsch | Sep 26, 2018
Monitoring Bis glacier Randa Challenge The Bisgletscher is located on the eastern side of the Weisshorn and Bishorn in the Valais Alps, Switzerland. The ice masses originate from the steep rock faces of the Weisshorn and merge with those coming from the Bishorn in a...
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