NATIONAL REPORT OF THE FEDERAL REPUBLIC OF ... - IAG Office

146 IAG Projects
– TanDEM-X (2009): in tandem with TerraSAR-X, global
high-precision digital elevation models (DLR, Astrium,
GFZ);
– SWARM (2009): Magnetic field mission with 3 satellites
(ESA);
– EnMAP (2011): Hyperspectral optical mission for
environmental monitoring (GFZ, DLR).
3. National Projects
The following large scientific projects are contributing
considerably to the goals of GGOS:
BMBF Geotechnologien Program
The Geotechnologien Program "Observing the Earth from
Space" is financed by the Federal Ministry of Education
and Research (BMBF). Within this framework program
several projects of relevance to GGOS were funded. The
project "GGOS-D" (D for Deutschland), as an example, is
a German contribution to GGOS and has as its goal the
homogeneous reprocessing of the data of all major space
geodetic techniques and the rigorous combination of the
generated time series of solutions (including station coordinates,
Earth rotation parameters, Earth gravity field coefficients,
quasar coordinates, troposphere parameters, etc.).
Other projects are dealing with the processing and interpretation
of the data coming from the satellite missions
CHAMP, GRACE and in future GOCE (gravity field,
magnetic field, atmospheric sounding, ionosphere, ...). See
http://www.geotechnologien.de/.
BMBF German Indonesian Tsunami Early Warning
System (GITEWS)
GITEWS is a project of the German Government at the
reconstruction of the tsunami-prone region of the Indian
Ocean. It is accomplished by a consortium of nine institutions.
The establishment of a Tsunami Early Warning
System for the Indian Ocean is based on different kinds of
sensor systems, that comprise seismometers, GPS instruments,
tide gauges and buoys as well as ocean bottom
pressure sensors (see http://www.gitews.de).
DFG Priority Research Program "Mass Transport and
Mass Distribution in the Earth System"
This program of the Deutsche Forschungsgemeinschaft
(DFG) focusses on the mass transport processes in the Earth
system and the mass distribution in the Earth. Especially
the contributions of the new generation of satellite gravity
and altimetry missions to geoscience, i.e., to ocean dynamics,
ice mass balance, sea level change, dynamics and
structure of the Earth interior, glacial isostatic adjustment,
continental hydrology, atmosphere, tides and Earth core
motion, and their interactions, are studied (see http://www.
massentransporte.de/index.php).
DFG Research Unit "Earth Rotation and Global
Dynamic Processes"
This research program has been formed to get a better
understanding of Earth rotation variations, the coupled
global processes and Earth sub-systems involved, and to
improve the observation technologies and data processing
strategies for the determination of Earth rotation variations,
e.g., as indicator of global change (see http://www.
erdrotation.de/).
Literature
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TESMER V., THALLER D., DILL R.: Towards a Rigorous
Combination of Space Geodetic Observations for IERS
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DREWES H.: The ILRS: An important service for science and
practice. In: ILRS 2003-2004 Annual Report, 1-3,
NASA/TP-2005-212780, 2005
GERSTL M.: Numerical aspects on combination at the observation
equation and normal equation level. Proceedings of the
IERS Workshop on Combination Research and Global
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IHDE J., ADAM J., BRUYNINX C., KENYERES A., SIMEK J., 2003.
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H., WZIONTEK H.: Status of the European Combined Geodetic
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