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Main Authors: Rettelbach, Tabea, Nitze, Ingmar, Grünberg, Inge, Hammar, Jennika, Schäffler, Simon, Hein, Daniel, Gessner, Matthias, Bucher, Tilman, Brauchle, Jörg, Hartmann, Jörg, Sachs, Torsten, Boike, Julia, Grosse, Guido
Format: Dataset Open Access
Language:en
Published: PANGAEA 2024
Subjects:
AC; Airborne Data; Aircraft; Alaska; Arctic Landscape Dynamics; Barrow, Alaska, USA; Binary Object; Binary Object (File Size); Digital Surface Model; File content; Ice-wedge Polygons; Lake; MACS; Orthoimagery; P6_219_ThawTrendR_Air_2019_1907230701; P6-219_ThawTrendR_Air_2019; Permafrost; point clouds; POLAR 6; Project; Structure-from-Motion; Teshekpuk Lake; US-Air_2019_AK_NorthSlope, ThawTrendr-Air, AIRMETH
Online Access:https://doi.org/10.1594/PANGAEA.962181
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Table of Contents:
  • As part of the ThawTrend-Air airborne campaign led by the Alfred Wegener Institute in 2019, we collected super-high-resolution multispectral imagery of permafrost landscapes with the Modular Aerial Camera System (MACS), developed by the German Aerospace Center. From these images, we photogrammetrically processed four-band orthophotos (blue, green, red, near-infrared) and digital surface models at a spatial resolution of 7 cm, as well as photogrammetric point clouds in RGB and NIR at 17.09 pts/m² and 6.12 pts/m², respectively. This dataset covers approximately 9.29 km² north of Teshekpuk Lake in Alaska, with all images collected on 23 July 2019. This super-high-resolution dataset provides opportunities for generating detailed training datasets of permafrost landform inventories, a baseline for change detection for thermokarst and thermo-erosion processes, and upscaling of field measurements to lower-resolution satellite observations.

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