[Portugal] WorldDEM Coming in 2014: Most Accurate Yet Global DEM

[Hugo Martins]

  Sent to you by Hugo Martins via Google Reader: WorldDEM Coming in
2014: Most Accurate Yet Global DEM via Slashgeo.org by Satri on 10/22/12

We mentioned TanDEM-X before, TerraSAR-X too, and global DEMs like
SRTM-DEM and ASTER GDEM, and there's going to be a new major global DEM
available in 2014, WorldDEM.

 From the DM article: "The TanDEM-X mission is to generate a global
digital elevation model - WorldDEM - of unprecedented quality, accuracy
and coverage. This DEM is intended to be the replacement dataset for
SRTM and will be available in 2014 for the Earth’s entire land surface
- pole to pole. The accuracy of the WorldDEM will surpass that of any
satellite-based elevation model available today and will have the
following unique features:

- Vertical accuracy of 2m (relative) and 10m (absolute)
- 12m x 12m raster
- Global homogeneity
- Highly consistent dataset as a result of an initial global data
collection window of 2.5 years and the opportunity to continue to
collect locally beyond the initial collection period
- No need for ground control information due to the high geometric
precision of German sensors "

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