Inhaltsbereich
Projects
GNSS Atmosphere Sounding
ATMO
Ground and space based Atmosphere Sounding using GNSS techniques.
ATMO-CHAMP/GRACE
The research project ATMO-CHAMP/GRACE is funded within the GEOTECHNOLOGIEN programme of BMBF (2009-2011).
GPS radio occultation with CHAMP
CHAMP RO
The GPS radio occultation data of the German CHAMP satellite are analysed and globally distributed vertical atmospheric profiles (bending angles, refractivity, temperature, water vapor) are derived and provided for the international user community.
Intensive observation period with GPS
COPS-IOP
The research project COPS-IOP is funded within the DFG priority programme "Quantitative precipitation forecast, SPP 1167). Within the project GFZ provides ground based GPS data (Integrated water vapor and slant data) for the intensive observation period at the Black Forrest in 2007. Data from around 220 stations at Germany and 5 temporary stations at the black forrest and corresponding analysis results are provided. The project is conducted together with University Hohenheim.
Improvement of precipitation forecast with GPS
COPS-GRID
The research project COPS-GRID is funded within the DFG priority programme "Quantitative precipitation forecast, SPP 1167) gefördert. Within the project the impact of ground based GPS data to improve regional weather forecasts is investigated. The project is conducted together with University Hohenheim and German Weather Service.
GPS radio occultation with COSMIC
COSMIC RO
GPS radio occultation data of the U.S.-Taiwan multi satellite constellation COSMIC/FORMOSAT-3 are used to derive (for selected periods) to derive globally distributed vertical atmospheric profiles (bending angles refractivity, temperature, and water vapor). The data products, provided by UCAR, are used for various scientific applications in atmospheric/ionospheric research..
Fahrenberg Experiment
- sorry, this document is so far only available in German -
GPS - SurfacE Deformations withIn Seconds
G-SEIS
Main tasks: (a) design and development of a new series of multi-parameter stations running unattended and autonomously for long periods; (b) development and test of new data communication strategies for high-rate and high-volume data; (c) development of new and automated GPS/GNSS software allowing real-time data analysis and self-detection of events (accuracy: mm to cm).
Galileo Geodetic Service Provider
GGSP
The realisation of the Galileo Terrestrial Reference Frame (GTRF) is the main function of the Galileo Geodetic Service Provider (GGSP) serving both the Galileo Core System and the Galileo users.
Galileo High Accuracy Positioning Service Definition
GGSP-HAPS
Project Galileo High Accuracy Positioning Service Definition (HAPS) in cooperation with ESOC and BKG. The main objective of this study is the identification of potential scenarios for the provision of a Galileo HAPS, its related performance and resulting impact on Galileo Ground and Space Segment.
GNSS Water Vapour Tomography
GNSS Tomography
The GNSS tomography is an attempt to utilize the existing GNSS infrastructure for meteorological applications and to provide temporally and spatially resolved water vapour fields on a national or European scale.
GORS Receiver
Within the GITEWS project, the GFZ has set up a team consisting of GFZ, the German Aerospace Center (DLR) and JAVAD GNSS to adapt and extend their new generation GNSS receivers for advanced space applications.
GPS-SIDS (Sea Ice Dry Snow) GNSS-R Experiments in Greenland and Antarctica
GPS-SIDS
- sorry, this document is so far only available in German -
GPS radio occultation with GRACE
GRACE RO
The GPS radio occultation data of the German-U.S. GRACE satellites are analysed and globally distributed vertical atmospheric profiles (bending angles, refractivity, temperature, water vapor) are derived and provided for the international user community.
Gravity wave coupling processes
GW-CODE
The research project GW-CODE (Gravity wave coupling processes and their decadal variation) is funded within the DFG priority program CAWSES (Climate and Weather of the Sun-Earth System). Within the project global variations of atmosperic wave phenomena are investigated using, among others, satellite data from CHAMP and GRACE. The project is performed in close cooperation with University Leipzig and Forschungszentrum Jülich.
HALO - airborne GNSS remote sensing
- sorry, this document is so far only available in German -
Atmospheric correction for geoid determination from GRACE data
IDEAL-GRACE
The research project IDEAL-GRACE is funded within the DFG priority program 1257 "Mass Transports and and Mass Distribution in the Earth system. Within the project the influence of atmospheric data and their errors to determination of GRACE based geoid models is investigated. The project is performed in close cooperation with TU Munich, University Hamburg and DLR.
IGS
The International GNSS Service (IGS) comprises a global network of GPS/GNSS reference stations, Data Centres and international Analysis Centres. GFZ is maintaining a network of 23 globally distributed stations, an operational Data Centre and an Analysis Centre (AC). GFZ contributes to the generation and maintenance of the International Reference Frame (ITRF) and to the provision of precise satellite orbits, clocks and Earth rotation parameters. From 2003 to 2007, the Analysis Coordination (ACC) was the task of GFZ and the official combined satellite orbit and clock products were generated here.
IPOC
In the framework of the Integrated Plate Boundary Observatory Chile (IPOC) we are installing continuously recording GPS sites in the direct neighborhood of state-of-the-art seismological stations in Northern Chile. Eight permanent GPS stations are installed already; two of them are online at the moment. For further details see the IPOC homepage.
The geodynamic GPS project JOGA
JOGA
One of the key projects in the framework of the DESIRE project is the GPS project JOGA (JOrdanian GPS Activities). The primary aim of the GPS observation is the detection of the present day deformation field along the Dead Sea Fault System.
LENA
The LENA project: “Study of the Kinematics and Geodynamics of the Laptev Sea and the Eurasian-North American Plate Boundary”.
Feasibility study on tsunami detection from space
Within GITEWS a feasibility study is performed on tsunami detection and warning from space using GNSS reflectometry (GNSS-R). GNSS-R takes Global Navigation Satellite System signals, e.g., GPS, reflected from the sea surface as a measure of height of the reflecting surface.
GPS on Metop (GRAS)
MetOp
Metop is Europe's first polar-orbiting satellite dedicated to operational meteorology. It represents the European contribution to a new cooperative venture with the United States providing data that will be used to monitor our climate and improve weather forecasting. The satellite was launched in October 2006.
MicroGEM - small satellite for GNSS remote sensing and gravimetry
MicroGEM
- sorry, this document is so far only available in German -
Global atmospheric data from CHAMP and GRACE
NRT-RO
Within the research project NRT-RO (Near Real-Time-Radio Occultation) scientific data analysis software for satellite orbit determination and radio occultation processing is developed which is used for the operational data analysis of the GPS based atmospheric data from CHAMP and GRACE.
The resulting data products are used by several national and international weather centers to improve global weather forecasts since 2006.
NRT-RO is funded by BMBF within the GEOTECHNOLOGIEN research programme 2005-2008. Contact person at GFZ is Dr. Jens Wickert.
OpenGPS Prototype
- sorry, this document is so far only available in German -
Real-time Precise Positioning System
RT GNSS
The Real-Time GNSS Group at GFZ has been working on the development of a real-time precise positioning service since 2007 motivated by the IGS real-time Pilot Project and supported by GSEIS and ZIM projects.
A demonstration system is already in operation.
Go to RT GNSS website.
South America Geodynamic Activities
SAGA
Western South America is tectonically one of the most active and geodynamically most interesting areas in the world. Aim of the investigation in the framework of the SAGA project is to understand the nature of the present-day deformation (including its temporal and spatial variation) along the Andean subduction zone.
GPS radio occultation with TanDEM-X
TanDEM-X RO
The GPS radio occultation data of the German TanDEM-X-satellite are analysed and globally distributed vertical atmospheric profiles (bending angles, refractivity, temperature, water vapor) are derived and provided for the international user community. TanDEM-X is foreseen for launch in September 2009 and will fly together with TerraSAR-X in a tandem-satellite configuration.
GPS radio occultation with TerraSAR-X
TerraSAR-X RO
The GPS radio occultation data of the German TerraSAR-X satellite are analysed and globally distributed vertical atmospheric profiles (bending angles, refractivity, temperature, water vapor) are derived and provided for the international user community.
Zeppelin NT – airship-based GNSS remote sensing
- sorry, this document is so far only available in German -