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Spatial Extent of Data

USGS Data Source

ISO 19115 Topic Category

elevation

Other Subject Keywords

Raster, Elevation, Topography, U.S. Geological Survey, First Return Surface, Hydro-Flattened, Digital Mapping, USGS, Digital Surface Model, Digital Terrain Model, GIS, IFSAR, Geodata, Terrain Elevation, Interferometric Synthetic Aperture Radar, High Resolution, DSM, Cartography, Mapping

Place Keywords

US, United States

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.

Get Data and Metadata
Author(s) U.S. Geological Survey
Publication Date 2022
Beginning Date of Data 2010
Ending Date of Data 2022
Data Contact
U.S. Geological Survey
DOI This item doesn't have a registered DOI.
Citation Check repository for data citation.
Metadata Contact
U.S. Geological Survey
Metadata Date 2025-02-14
Related Publication
Citations of these data No citations of these data are known at this time.
Access public
License http://www.usa.gov/publicdomain/label/1.0/
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Harvest Source: ScienceBase
Harvest Date: 2025-02-20T05:28:39.267Z