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IAVCEI fieldtrip participants at Villarrica crater rim (Credit: Dávid Karátson, distributed via imaggeo.egu.eu)

G Geodesy Division on Geodesy

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European Geosciences Union

Division on Geodesy
g.egu.eu

Division on Geodesy

President: Roelof Rietbroek (Emailg@egu.eu)
Deputy President: Anna Klos (Email)
ECS Representative: Marius Schlaak (Emailecs-g@egu.eu)

Traditionally geodesy is the science of the measurement and the mapping of the Earth’s surface. Since the surface is mainly shaped by the Earth’s gravity field the classical definition includes the Earth’s gravitational potential. Observing the Earth's figure, the orientation and rotation as well as the gravity field, geodesy today provides spatial and temporal patterns of geophysical processes within the Earth system such as sea-level rise, tides, melting of continental ice masses, changes in global water circulation and in the atmosphere or deformations of the solid Earth. Consequently, the Geodesy Division covers activities on the whole spectrum of modern geodetic Earth system modelling from the measurement systems to the investigation of geophysical processes.

Latest posts from the G blog

Listening to reflections: What GNSS signals can tell us about a changing environment

Global Navigation Satellite Systems (GNSS) are best known for positioning, navigation, and monitoring Earth surface motions with high precision (see two of our previous posts on GNSS here and here). But did you know that the same satellite signals can also provide information about snow, soil moisture, or sea level, without installing any additional instruments? This idea lies at the heart of GNSS Interferometric Reflectometry (GNSS-IR). What may initially sound like a specialised remote sensing technique is, in fact, a …


EGU Campfire Geodesy – Share Your Research – 19th Edition

We are excited to announce the 19th edition of Geodesy Campfire – Share Your Research in April. The Geodesy EGU Campfire Events “Share Your Research” give (early career) researchers the chance to talk about their work. We have two exciting talks by our guest speakers, Yuting Cheng and Hamed Izadgoshasb. Below, you can find the details of the topics awaiting us. We will have time to network after the presentations. Please join us on Zoom on 18th June 2026 from …


A Brief Recap of EGU GA26

Thank you all for an amazing EGU General Assembly (GA) this year! If you missed EGU26 or some of the events we organised, here’s a recap so you can stop wondering how it went and get an idea of what to expect next year and connect with us through our channels to stay updated. As in the past years, we started our GA with the online division meeting before the general assembly to present the G-Division strucure and give an …


Beyond Navigation: How GNSS Reveals Earth’s Hidden Secrets

Part 2 – the regional case In our previous post, we discussed global scale phenomena, showing how the Global Navigation Satellite Systems (GNSS) constellation is the ultimate instrument for monitoring the Earth as a whole: tracking plate tectonics, defining the planet’s absolute size, and measuring variations of its gravity field. Essentially, the big questions of our constantly changing planet. Now, it’s time to take a closer look at the more local use cases. The global GNSS infrastructure provides us with …

Recent awardees

Frank Flechtner

Frank Flechtner

  • 2026
  • Vening Meinesz Medal

The 2026 Vening Meinesz Medal is awarded to Frank Flechtner for innovative work in gravity field determination and exceptional contributions to the realisation of pivotal satellite gravity missions.


Eva Boergens

Eva Boergens

  • 2026
  • Division Outstanding Early Career Scientist Award

The 2026 Division Outstanding Early Career Scientist Award is awarded to Eva Boergens for outstanding work on addressing contemporary hydrological challenges using satellite geodesy.


René Forsberg

René Forsberg

  • 2025
  • Vening Meinesz Medal

The 2025 Vening Meinesz Medal is awarded to René Forsberg for significant and impactful advancements in geodesy, geophysics, and cryosphere research, and for pioneering work, particularly in gravity field modelling and geoid determination.


Matthias Schartner

Matthias Schartner

  • 2025
  • Division Outstanding Early Career Scientist Award

The 2025 Division Outstanding Early Career Scientist Award is awarded to Matthias Schartner for commendable efforts to modernize one of the fundamental pillars of geodesy – Very Long Baseline Interferometry (VLBI).


Marcel Iten

Marcel Iten

  • 2025
  • Outstanding Student and PhD candidate Presentation (OSPP) Award

The 2025 Outstanding Student and PhD candidate Presentation (OSPP) Award is awarded to Marcel Iten Ionospheric data fusion with GNSS, GNSS-RO and satellite altimetry based on machine learning

Current issue of the EGU newsletter

In our April issue, we are welcoming EGU26 with a range of tools and blog posts to help you get the most out of the meeting! Also meet the managing director or EGU's publications and conference partner company Copernicus, Martin Rasmussen, as he talks about how the General Assembly has changed in the last 20 years, the EGU awards and medals are now open for nominations, discover how footprints in muddy tidal flats are helping us learn about climate change and don't miss the 15 May deadline to apply for funding to support a training school or special conference!

All this and much more, in this month's Loupe!

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