Blar i forfatter "Birkeland, Karl"

Viser treff 1-2 av 2

    • Characterizing vegetation and return periods in avalanche paths using lidar and aerial imagery 

      Peitzsch, Erich H.; Martin-Mikle, Chelsea; Hendrikx, Jordy; Birkeland, Karl; Fagre, Daniel (Journal article; Tidsskriftartikkel; Peer reviewed, 2024-04-14)
      Snow avalanches are a hazard and ecological disturbance across mountain landscapes worldwide. Understanding how avalanche frequency affects forests and vegetation improves infrastructure planning, risk management, and avalanche forecasting. We implemented a novel approach using lidar, aerial imagery, and a random forest model to classify imagery-observed vegetation within avalanche paths in southern ...

    • Satellite detection of snow avalanches using Sentinel-1 in a transitional snow climate 

      Keskinen, Zachary; Hendrikx, Jordy; Eckerstorfer, Markus; Birkeland, Karl (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-04-18)
      Snow avalanches endanger lives and infrastructure in mountainous regions worldwide. Consistent and accurate datasets of avalanche events are critical for improving hazard forecasting and understanding the spatial and temporal patterns of avalanche activity. Remote sensing-based identification of avalanche debris allow for the acquisition of continuous and spatially consistent avalanches datasets. ...