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Spatial Distribution of Slope Failures,
Grand Teton National Park, Wyoming, USA


Grand Teton National Park

Slope failures pose a significant hazard to campgrounds and hiking trails in deglaciated mountain canyons of Grand Teton National Park, Wyoming, USA. However, few detailed maps and statistical analyses of slope failures as hazards exist for park officials and visitors. The purpose of this study was to produce a comprehensive map of slope failures in five of the most accessible and commonly used canyons of the park: Cascade, Death, Garnet, Granite, and Paintbrush. This project combined field surveys, LiDAR imagery, aerial photography, and GIS analyses to document five primary categories of slope failures—rock slides, rock/debris flows, rock falls, snow avalanches, and complex slope failures that involve a combination of these categories. The frequency of each category of slope failures was examined as a function of slope gradient, slope aspect, slope curvature.
   
When: Monday, 8 September 2014, 10.00 to 10.45
Who: Prof. Richard Marston, Kansas State University
Where: Institut für Geologie, Baltzerstrasse 1+3, 3012 Bern, Studer Auditorium, 2. OG

 

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