Photogrammetry-derived orthoimagery and elevation for Napakiak, Alaska, collected June 30, 2021
The Alaska Division of Geological & Geophysical Surveys (DGGS) collected low-altitude aerial images from an unmanned aerial vehicle (UAV) on June 30, 2021 and used Structure-from-Motion (SfM) photogrammetry to produce a digital surface model (DSM) and orthoimage of Napakiak. The orthoimage and elevation data are for …