Geoid 2011

© GFZ

Geoid 2011, data based on satellite LAGEOS, GRACE and GOCE and surface data (airborne gravimetry and satellite altimetry)

The improved resolution is partly due to

- Improved and new methods of satellite measurements SLR (LAGEOS, ERS), GPS (CHAMP), K-Band Ranging (GRACE), satellite gradiometry (GOCE)
- Increased accuracy in the measurement of surface data (airborne gravimetry and satellite altimetry)

secondly, on the long-term data series