WorldDEM

Completed in 2016, WorldDEMTM is the first global elevation model with resolution better than 30-meters (m). Derived from stereo radar pairs collected by Airbus Defense and Space GEO’s twin satellites, TerraSAR-X & TanDEM-X, WorldDEM features 12-m resolution. With years of experience producing spatial data through interferometry, Airbus’ WorldDEM is a high-quality elevation layer that is free from common radar-induced anomalies.

WorldDEM is the ideal solution for all mapping projects requiring accurate elevation models including orthorectification, floodplain determination, mineral exploration and hydrocarbon development.

What to ExpectPricingKey SpecificationsIdeal Uses
SRTM_vs_WorldDEMAn animated comparison of 30-m USGS SRTM data and 12-m WorldDEMTM obtained over Arkansas, USA. (Image Sources: USGS and Airbus Defense and Space)

For many, one of the key steps to purchasing elevation data is understanding the costs. The prices below are for the least expensive WorldDEM data offered. Prices will increase for more intensively processed data. Volume discounts are available.

  • Minimum Order Size: 100 sq km
  • Product Type: 12-meter WorldDEM DSM
  • Price Per Sq Km: $11.50

For an exact quote, please contact our Sales Team at sales@apollomapping.com.

  • DEM Post Spacing (i.e. Resolution): 12 m
  • Absolute Vertical Accuracy: < 4 m Linear Error 90% (LE90)
  • Absolute Horizontal Accuracy: < 10 m Circular Error 90% (CE90)
  • Data Source: interferometry from synthetic aperture radar (SAR) satellites TerraSAR-X & TanDEM-X
  • Available Formats: WorldDEMcore (unedited digital surface model); WorldDEM (edited digital surface model); WorldDEM DTM (digital terrain model)

Off-the-Shelf

All three formats of the WorldDEM are available for near instantaneous delivery. This is a huge advantage over other elevation datasets which can take weeks, months or even years to produce.

Global Coverage

WorldDEM is the first elevation dataset with standardized 12-m coverage from pole to pole of our planet.

Cloudy Places

In many places of the world, there is persistent cloud cover that makes collecting quality optical stereo pairs extremely difficult. WorldDEM is created from radar data which can pass through clouds, so this is an ideal elevation solution for the cloudiest of places.

Multiple Formats

As no product is a one-size fits all solution, WorldDEM is offered as an unedited and edited digital surface model (DSM) and as a digital terrain model (DTM).