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A new atomic clock in space could help us measure elevations on Earth

What if we could measure height differences on Earth with centimeter level accuracy from space? A new article from MIT Technology Review explores how the European Space Agency’s ACES mission (Atomic Clock Ensemble in Space), now installed…
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New Paper Highlights the Power of Geodesy to Support Science and Society

The global geodetic community has come together to address one of the most pressing needs of our time: monitoring the dynamic Earth system. A new peer-reviewed article, “The Global Geodetic Observing System (GGOS) – Harnessing Geodesy for…
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New RAEGE Station in Gran Canaria: A Milestone for Global Geodesy

The Spanish Ministry of Transport and Sustainable Mobility (MTMS) has officially begun the construction of the third RAEGE station on a site granted by the Cabildo of Gran Canaria to the National Geographic Institute (IGN) in March 2023.…
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New Video: Discover the Importance of Terrestrial Reference Frames

The Global Geodetic Observing System (GGOS) of the International Association of Geodesy (IAG) has released an enlightening 2 minute video showing the critical role of geodetic terrestrial reference frames in our world. This short film illustrates…
GGOS - Geohazards Monitoring© Pexels
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GGOS as basis for GeoRisk Commission (GRC) and the IUGG contributions to disaster risk reduction

The GGOS Focus Area Geohazards Monitoring focuses on GNSS Enhancement of Tsunami Early Warning Systems (GTEWS), as recommended by IUGG2015 Resolution No. 4, and further highlighted by the Voluntary Commitment to the World Conference on Disaster…
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Artificial Intelligence for Geodesy in support of Natural Disaster Management

The Chair of the IAG-GGOS Focus Area Artificial Intelligence for Geodesy (IA4G) gave a keynote presentation highlighting some of the ways that Geodesy can be used in conjunction with AI for seismic hazards during the Workshop AI for Natural Disaster Management transitions into Global Initiative.
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Geodesy: It’s about Time

Watch the inspiring video of the IUGG Union lecture by Geoff Blewitt!
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Geodesy 2030

Geodesy 2030 - Don't miss this recently published paper on the current activities and future tasks of Geodesy.
© Rawpixel (id-744458)
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Geodetic Observation:
Measure Gravity with Atoms

Quantum gravimetry measures the acceleration of gravity, by using freely falling atoms as test masses. They were development for 30 years.
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Geodetic Observation:
Measure Heights with Clocks

Measure heights by clocks with an accuracy of 4 cm over a height difference of 450 m is now possible. Discover this new geodetic technique ...