Detection of Seasonal Arctic Terrain Change Using a Small Unmanned Aircraft System (sUAS) on the Alaskan North Slope. - Matthew S. O'Banion; Christopher E. Oxendine; Riley J. Eck; Seamus P. McGettigan; William C. Wright; Shawn G. Gallaher; Joseph P. Smith; Thomas A. Douglas (IGARSS, 2020)