Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 24, issue 3
Articles | Volume 24, issue 3
https://doi.org/10.5194/nhess-24-947-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-24-947-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 24, issue 3
Research article
 | 
20 Mar 2024
Research article |  | 20 Mar 2024

Automated Avalanche Terrain Exposure Scale (ATES) mapping – local validation and optimization in western Canada

John Sykes, Håvard Toft, Pascal Haegeli, and Grant Statham

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Latest update: 07 May 2024
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Short summary
The research validates and optimizes an automated approach for creating classified snow avalanche terrain maps using open-source geospatial modeling tools. Validation is based on avalanche-expert-based maps for two study areas. Our results show that automated maps have an overall accuracy equivalent to the average accuracy of three human maps. Automated mapping requires a fraction of the time and cost of traditional methods and opens the door for large-scale mapping of mountainous terrain.
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