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

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.

Data and Resources

Field Value
accessLevel public
bureauCode {010:12}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier USGS:7ae63dab-a629-435b-b520-3dee9dd0e2c5
metadata_type geospatial
modified 20201113
old-spatial -170.00, 50.00, -127.00, 72.00
publisher U.S. Geological Survey
publisher_hierarchy Department of the Interior > U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash e3957fb9a8e4cd43b0d8a07a68d1e9e52fede8f9
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-170.00, 50.00], [-170.00, 72.00], [ -127.00, 72.00], [ -127.00, 50.00], [-170.00, 50.00]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • amerigeo
  • amerigeoss
  • cartography
  • ckan
  • digital-mapping
  • digital-surface-model
  • digital-terrain-model
  • dsm
  • elevation
  • first-return-surface
  • geo
  • geodata
  • geoss
  • gis
  • high-resolution
  • hydro-flattened
  • ifsar
  • interferometric-synthetic-aperture-radar
  • mapping
  • national
  • north-america
  • raster
  • terrain-elevation
  • topography
  • u-s-geological-survey
  • united-states
  • us
  • usgs
  • usgs-7ae63dab-a629-435b-b520-3dee9dd0e2c5
isopen False
license_id notspecified
license_title License not specified
maintainer U.S. Geological Survey
maintainer_email tnm_help@usgs.gov
metadata_created 2025-11-20T16:38:04.720447
metadata_modified 2025-11-20T16:38:04.720451
notes 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.
num_resources 1
num_tags 29
title Alaska Digital Surface Models (DSMs) - USGS National Map 3DEP Downloadable Data Collection