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NakedEarth is a global bare earth elevation model

NakedEarth is a high-quality, 30-meter global Digital Terrain Model (DTM) which is available instantly. This height model (DEM) represents bare earth elevations and is a ready-to-use solution for all professional projects and cloud applications. NakedEarth supports all applications over small or large areas and is very attractive for projects with limited budgets.

Suited for many applications

Benefits of using NakedEarth

  • Global Coverage
  • Instantly available & ready to use
  • High quality consistent and breakline enforced terrain models
  • Low Price facilitates use over large project areas
  • Easy to use with standard formats and projections
  • ISO 19115 compliant metadata
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Product Sheet

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About NakedEarth – the unique terrain model

Product Information

NakedEarth is produced based on the global, 30m posting Digital Surface Model AW3D30 (released by Japan Aerospace Exploration Agency, ©JAXA) and ancillary data (forest, settlement, water masks) to remove man-made construction and vegetation heights. It was processed with Novlum’s proprietary DTM generation system, a fully-automated, high sophisticated processor which preserves terrain features (breaklines, ridges and depth lines) while removing building areas and forests. NakedEarth covers same areas as AW3D30.
Measured from space AW3D30 presents the heights at the tops of trees, buildings and other "first surface" features. NakedEarth estimates the elevations of Earth's terrain as if these features were removed.

Technical Features

  • Source: AW3D30 (30m posting) and ancillary data
  • Coverage: Global
  • Tiling: 1° x 1° (110km x 110km at the equator)
  • Data Type: 16-bit signed integer
  • Projection: Geographic Coordinates (WGS84; Geoid: EGM96)
  • File Format: GeoTIFF
  • Metadata: ISO 19115 compliant

NakedEarth (DTM) compared to AW3D30 (DSM)