Super-high-resolution aerial imagery, digital surface model and 3D point cloud of Drew Point, Alaska (subset 03)

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

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 10 cm, as well as photogrammetric point clouds in RGB and NIR at 7.85 pts/m² and 2.98 pts/m², respectively. This dataset covers approximately 22.21 km² of Drew Point in Alaska, with all images collected on 30 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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Contact

Tabea Rettelbach

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欄位 值
Identifier DOI:10.1594/PANGAEA.962579
Project(s)
Institute AWI Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research
來源 https://doi.org/10.1594/PANGAEA.962579
Publication Date 2024-12-06
版本 1
Product
Sensor Aircraft (AC), Modular Aerial Camera System (MACS)
Files
  1. Preview png of RGB
  2. Preview png of CIR
  3. Preview png of DSM
  4. Cloud-optimized GeoTIFF of Ortho
  5. GeoTiffs all tiles and virtual mosaic Ortho
  6. Cloud-optimized GeoTIFF of DSM
  7. GeoTiffs all tiles and virtual mosaic DSM
  8. Cloud-optimized GeoTIFF of hillshade
  9. PointClouds all tiles NIR and RGB
  10. Tile footprints geojson
  11. Processing info
Variables [Units]
    Region NW Arctic Alaska
    Spatial Reference EPSG:32605 WGS 84 / UTM Zone 5N
    Spatial Resolution 7 cm
    Spatial Coverage Latitude 70.84888919984579 to 70.88842289951825, Longitude -153.72940305059785 to -153.5903677507176
    Temporal Coverage 2019-07-30T20:00:47 to: 2019-07-31T01:57:47
    Temporal Resolution
    格式 GeoTiff, PNG, GeoJson, LAS, TXT, PDF
    Is Supplement To

    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 (2024): Super-high-resolution aerial imagery, digital surface models and 3D point clouds of Drew Point, Alaska [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.962561
    Related to

    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 (2024): Aerial imagery datasets of permafrost landscapes in Alaska and northwestern Canada acquired by the Modular Aerial Camera System [dataset bibliography]. PANGAEA, https://doi.org/10.1594/PANGAEA.961577

    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 (2024): Very high resolution aerial image orthomosaics, point clouds, and elevation datasets of select permafrost landscapes in Alaska and northwestern Canada. Earth System Science Data, 16(12), 5767-5798, https://doi.org/10.5194/essd-16-5767-2024

    Dataset extent