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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Discipline: Other | Subject: Freshwater Ice
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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.