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3D model of a grounded iceberg near Qeqertarsuaq Island in Northwest Greenland

Authors: Carlson, Daniel;

3D model of a grounded iceberg near Qeqertarsuaq Island in Northwest Greenland

Abstract

This dataset consists of a digital elevation model (DEM), orthomosaics, and 3D models of a grounded iceberg off the northern coast of Qeqertarsuaq Island in Northwest Greenland (71.669N, 53.433W) on 26 July 2017. 127 images low-altitude aerial images acquired from an unoccupied aerial vehicle (DJI Phantom 3 Standard) were processed using Agisoft PhotoScan Pro (v1.4; Linux Ubuntu). The iceberg aerial survey was conducted as part of the Mission Arctic sailing expedition to Western Greenland in 2017 (http://www.missionarctic.com/). During the image alignment step in PhotoScan, the ‘High’ accuracy setting and key point and tie point limits of 60000 and 0 were used. Generic and reference preselection were also used. Gradual selection was used to remove tie points that exceeded thresholds for the projection accuracy, reconstruction uncertainty, and reprojection error and the lens parameters were computed. The dense point cloud was then computed using the ‘High’ setting, followed by the DEM, orthomosaic, and textured mesh. The resolution of the orthomosaic is 7.67 mm/pixel. The mesh model was exported in .obj and .pdf formats. A complete file list is provided in the README file that accompanies this dataset. Ref: Carlson et al. The Mission Arctic citizen science sailing expedition to western Greenland and Baffin Bay. Manuscript in preparation for Frontiers in Climate.

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Keywords

Structure from Motion Photogrammetry, 3D model, UAV, Greenland, drone, Iceberg

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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