The following is a reference list of GDEMs:
| CFI Support | Name | Spatial Resolution | Coverage | Remarks |
|---|---|---|---|---|
| √ | ACE-2 | 3 arcseconds (~90 m) | Global | – Available through NASA SEDAC – Produced by ESA/ESRIN – Composed of binary image tiles – Tiles of 15° latitude by 15° longitude – The data is 32-bit floating point – Null value is -32768 – WGS84 for sea surface – EGM96 for land surface – Sources: SRTM, SRTM 30, ACE-1, GLOBE, MSS |
| √ | ACE-2 | 9 arcseconds (~270 m) | ||
| √ | ACE-2 | 30 arcseconds (~1 km) | ||
| √ | ACE-2 | 5 arcminutes (~10 km) | ||
| √ | ASTER GDEM V1 | 1 arcseconds (~30 m) | Near Global (between 83N and 83S) | – Produced by NASA/JPL and METI/JSS – GeoTIFF – Acknowledged to be experimental/research grade – Released 2009 |
| √ | ASTER GDEM V2 | 1 arcseconds (~30 m) | Near Global (between 83N and 83S) | – Produced by NASA (USA) and METI (Japan) – GeoTIFF – Improved horizontal and vertical accuracy wrt v1 – Improved water body coverage and detection – Released 2011 |
| √ | ASTER GDEM V3 | 1 arcseconds (~30 m) | Near Global (between 83N and 83S) | – Produced by NASA (USA) and METI (Japan) – GeoTIFF – Improved horizontal and vertical accuracy wrt v2 – Improved water body coverage and detection – Released 2019 |
| √ | GETASSE 3.0 | 30 arcseconds (~1 km) | Global | – Produced by ESA/ESRIN – Composite of SRTM 30, ACE-1 and Mean Sea Surface – Reference ellipsoid: WGS84 – Released 2012 |
| GLOBE | 30 arcseconds (~1 km) | Global | – Produced by NOAA – Released 1999 (pre-SRTM) | |
| GMTED2010 | 7.5 arcseconds (~250 meters) | Near Global (land areas from 84N to 56S; from 84°N to 90°S for several other products) | – Produced by USGS and NGA – GeoTIFF – Reference: EGM96 – Released 2010 | |
| GMTED2010 | 15 arcseconds (~500 m) | |||
| GMTED2010 | 30 arcseconds (~1 km) | |||
| SRTM | 3 arcseconds (~90 m) | Near Global (between 60N and 60S) | – Produced by NASA/JPL and NIMA – Contains voids – Released 2003 | |
| SRTM 30 | 30 arcseconds (~1 km) | Near Global (between 60N and 60S) | – Produced by NASA/JPL and NIMA – SRTM averaged to 1km resolution – Released 2008. | |
| √ | TanDEM-X 90m | 3 arcseconds (~90 m) | Global | – Produced by DLR, EADS Astrium and Infoterra – GeoTIFF format – Varying longitudinal pixel-spacing in function of latitude – Reference ellipsoid: WGS84 (realization G1150) – Land mass only coverage; sea areas marked as void – Note: 1 arcsecond and 0.4 arcseconds versions of TanDEM-X are available as commercial products. These versions are not supported by EOCFI. |
| Copernicus DEM | 10 m 30 m 90 m | Global | – Produced by Astrium (link) – Available in 3 resolutions: * 10 m (EEA area) * 30 and 90 m (Global) – 30m and 90m versions are free and open – Based on TanDEM-X and other data – Coordinate Reference System: * Horizontal WGS84-G1150 (EPSG 4326) * Vertical EGM2008 (EPSG 3855) – Releases: 2019, 2020, 2021 and 2022 | |
| √ | Copernicus DEM – EOCFI SW Generic format | 30 m 90 m | Global | Based on Copernicus DEM converted to format compatible with EOCFI SW (Generic DEM format). Land mass only coverage; sea areas marked. – Based on Copernicus DEM Release 2022_1 Availability on request: cfi@eopp.esa.int |