Alaska Digital Surface Models (DSMs) - USGS National Map 3DEP Downloadable Data Collection

Description

These data are Digital Surface Models (DSM) derived from interferometric synthetic aperture radar (ifsar) data. A DSM is a 3 dimensional representation of surface elevations in an area, including elevations of man-made structures and vegetation. The USGS performs minimal quality assurance and no reprocessing of the DSM data. USGS distributes the DSM data as received from the contractors, partners or contributing entities.

Resources

Name Format Description Link
55 The metadata original format https://data.usgs.gov/datacatalog/metadata/USGS.7ae63dab-a629-435b-b520-3dee9dd0e2c5.xml
55 Landing page for access to the data https://www.usgs.gov/3d-elevation-program

Tags

  • topography
  • cartography
  • high-resolution
  • ifsar
  • digital-surface-model
  • digital-mapping
  • elevation
  • u-s-geological-survey
  • united-states
  • us
  • usgs-7ae63dab-a629-435b-b520-3dee9dd0e2c5
  • digital-terrain-model
  • interferometric-synthetic-aperture-radar
  • raster
  • gis
  • dsm
  • usgs
  • first-return-surface
  • hydro-flattened
  • terrain-elevation
  • geodata
  • mapping

Topics

Categories