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Discovering Fingerprints of System Earth Changes with Geodesy

Geodesy not only provides the fundamental basis for all practical and scientific disciplines, whose activities are based on geo-referenced data, but it is able to deliver a global picture of the surface kinematics of our planet, including oceans,…
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Geodesy: The Cornerstone for a Comprehensive Observation of the System Earth

Geodesy provides the foundation on which all Earth observation systems are built. In this function, Geodesy is essential for Earth observation just like the foundation and frame of a house are necessary to keep it stable over time. Geodesy continuously…
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The Observation System GGOS and the Organisation GGOS

The observing system GGOS relies on the geodetic infrastructure established and managed by a large international scientific community based on the voluntary commitment of national geodetic authorities, space agencies, research institutes, universities,…
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GGOS Structural Organisation

The framework for routines in everyday working life to find out who has to do what and with whose support to align all energies with the goals of the observing system GGOS. Discover more ...
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GGOS: A Long and Strong International Collaboration in Geodesy

Modern Geodesy should be viewed from the global perspective and efforts of all branches of this science should be bundled to serve one and the same goal: the scientific understanding of the System Earth to address societal challenges. Discover…
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A Modern Network of Geodetic Sensors for the Observation of the Earth

The wide-range of signals emitted by changes in the System Earth are not detectable by a single measurement technique. While positioning techniques (VLBI, SLR, GNSS, DORIS) have demonstrated be an efficient tool to determine the kinematics of…
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High and Consistent Performance through Standardisation

Different geodetic sensors register different System Earth signals. To produce an integral and global picture of this System, all geodetic observing techniques and analysis methods should be brought together consistently. The same standards,…
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Geodetic Space Weather Research

Space weather describes physical processes mainly caused by the Sun’s radiation of energy in the magnetosphere, ionosphere, thermosphere, and exosphere. Severe space weather events have strong damaging impacts on modern society. They can for…
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GNSS Enhanced Tsunami Early Warning System

Geodetic observations have a clear role in helping to reduce the risk of disasters, as well as contribute to disaster preparedness with better mitigation and response. The GGOS Focus Area “Geohazards” successfully submitted content for the…