The Cryosphere
The Cryosphere
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Articles | Volume 15, issue 8
Articles | Volume 15, issue 8
https://doi.org/10.5194/tc-15-4031-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-15-4031-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 8
Research article
 | 
24 Aug 2021
Research article |  | 24 Aug 2021

Ice roughness estimation via remotely piloted aircraft and photogrammetry

James Ehrman, Shawn Clark, and Alexander Wall

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Latest update: 25 Oct 2025
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Short summary
This research proposes and tests new methods for the estimation of the surface roughness of newly formed river ice covers. The hypothesis sought to determine if surface ice roughness was indicative of the subsurface. Ice roughness has consequences for winter flow characteristics of rivers and can greatly impact river ice jams. Remotely piloted aircraft and photogrammetry were used, and good correlation was found between the observed surface ice roughness and estimated subsurface ice roughness.
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