Geodynamics and Earth Observation

Working group of Geodynamics – General

Holger Steffen, Lantmäteriet, Sweden, is the chair of the working group.

The working group keywords are:

  • Absolut gravimetry/Relative gravity/Superconducting gravimetry/Satellite gravimetry
  • Temporal variation in gravity
  • Crustal deformation
  • Post glacial rebound/GIA
  • InSAR application
  • Environmental effects in geodetic observations, i.e. gravimetry

National contact persons:


Chairperson: Holger Steffen,
e-mail: holger.steffen [at]

Per-Anders Olsson, Lantmäteriet
e-mail: Per-Anders.Olsson [at]


Halfdan Pascal Kierulf, The Norwegian Mapping Authority
e-mail: HalfdanPascal.Kierulf [at]


Gabriel Strykowski, The National Space Institute, Technical University of Denmark
e-mail: gs [at]


Hannu Ruotsalainen, The Finnish Geospatial Research Institute
e-mail: hannu.ruotsalainen [at]


Gudmundur Valsson, The National Land Survey of Iceland
e-mail: gudmundur [at]