EGU25 - General Assembly | 27 April - 2 May 2025 | Vienna, Austria

The European Geosciences Union will be holding its General Assembly 2025 from 27th April to 2nd May 2025, in Vienna, Austria, as well as online.

Aims & Scope of EGU25

The EGU General Assembly 2025 brings together geoscientists from all over the world to one meeting covering all disciplines of the Earth, planetary, and space sciences. The EGU aims to provide a forum where scientists, especially early career researchers, can present their work and discuss their ideas with experts in all fields of geoscience.

Antarctic Geologic Evolution (AGE) SPM54 Splinter Meeting at the EGU

This meeting will discuss the initiation of a new Research Program (AGE) under SCAR (Scientific Committee of Antarctic Research) on Earth’s last frontier, Antarctica.

Anarctica contains about 10% of the planet’s most cryptic continental crust. Understanding this continent in depth is crucial for revealing interactions between the Solid Earth, Cryosphere, Ocean, Hydrology, Atmosphere, and Biosphere, and their global impacts. Recent SCAR groups have shown that Antarctica’s continental lithosphere is much more complex than previously thought, with significant variabilities affecting geothermal heat flow and ice dynamics. AGE aims to advance our understanding of Antarctica’s geological features and heterogeneities and how these have shaped Antarctica over time.

Three task groups will address and integrate innovative methods, data sets, and models to better reveal Antarctica’s Architecture, the Processes that led to its formation, and the Interactions it triggers. AGE aims specifically to collect and integrate critical new geological and geophysical data in key areas to fill knowledge gaps and promote new geoscience projects, also in preparation for the 5th International Polar Year 2032/33.

1st of May 2025 @ 14-15:45 (CEST), in Room 2.61: https://meetingorganizer.copernicus.org/EGU25/session/54640

Any interested geoscientist is invited to participate and to contribute to the planning of the research program. We strongly support ECR participation!

Convenor: Joachim Jacobs; main contact: Fausto Ferraccioli

EGU session CR1.5: Sensitivity of the East Antarctic Ice Sheet to Past, Present and Future Climate Change

If you are interested in East Antarctica and the cryosphere, submissions to the EGU session “CR1.5: Sensitivity of the East Antarctic Ice Sheet to Past, Present and Future Climate Change” are now open.

A session description can be found here: https://meetingorganizer.copernicus.org/EGU25/session/52483.

The session aims to bring together people working on modern observations of EAIS dynamics, ice shelves, mass balance, and palaeo-records of ice-sheet change, with those using numerical modelling to:

facilitate greater interaction between these communities
highlight recent progress
and identify and co-ordinate efforts for future research.

The invited speaker for the session is Florence Colleoni (OGS).

Deadline for abstract submission is 15 January 2025, 13.00 CET.

If there are any questions don’t hesitate to get in touch with Jennifer Arthur ([email protected]) or any of the other convenors:

Chris Stokes: [email protected]
Laura De Santis: [email protected]
Nancy Bertler: [email protected]

Two news sessions at the next EGU Meeting in Vienna

Deadline for abstract submission: 15/01/25

CR2.7 Boundary Conditions and Cryospheric Processes: Investigating Earth-Ice Interactions Beneath Ice Sheets, Shelves and Glaciers
This session addresses the detailed connections between subglacial boundary conditions and the behaviour of ice sheets, ice shelves, and snow cover. The solicited author is Helen Ockenden (Grenoble).

GD6.5 Importance of the Solid Earth structure for understanding the evolution of Polar Regions
This session focusses on studies addressing regional geology and tectonics and the overall lithospheric structure to describe key parameters for an improved understanding of Ice-Solid Earth interaction. The solicited author is Anya Reading (Tasmania).

EGU 2025 session CR6.1: Past Sea Ice Dynamics and Climate Interactions

Please consider submitting abstracts related to our EGU 2025 session CR6.1 “Past Sea Ice Dynamics and Climate Interactions” co organised with CL1.2

This session aims to bring together research on past sea ice dynamics during both colder and warmer-than-modern climate states, enhancing our understanding of sea ice processes and their role in climate systems. We are interested in Antarctic and Arctic sea ice records, from data and modelling, so we hope that this session will be of interest to INSTANT members.

We welcome the following types of submissions:

Both proxy and model studies that link past sea ice changes with other climatic processes, such as temperature changes, moisture source variations, or major ocean state changes like AMOC.

Proxy evidence of past sea ice spatial and temporal changes.
Studies that refine existing records or generate new time series from ice, terrestrial, and marine cores, including sea ice proxies such as IP25 or IPSO25 in marine cores, and Bromine, Iodine, MSA, water isotopes, and sea salt sodium from ice cores.
Investigations into sea ice as both a driver and responder to high-frequency climate variability, with data from both polar oceans exploring Antarctic and Arctic sea ice extent alongside co-recorded climate feedbacks.

Please submit your abstract here by the 15^th of January 2025: https://meetingorganizer.copernicus.org/EGU25/session/52608

EGU 2025 session CL4.19: Drivers and nature of Southern Ocean – Antarctic paleoclimate interactions across timescales

Convenor: Frank Lamy | Co-convenors: Julia Gottschalk, Francois Fripiat, Dimitris Evangelinos, Gisela Winckler

The Southern Ocean and Antarctic ice sheet stability play a critical role for global ocean circulation, climate, the marine carbon cycle and global sea level. While reconstructions of southern, high-latitude paleoclimate are still sparse, recent years have seen much progress, including a multitude of land and sea-based coring efforts, major IODP expeditions and work on legacy sediment cores. This session aims to bring together researchers working on understanding key climate processes across all sectors of the Southern Ocean and/or Antarctic ice sheet dynamics, their interaction with each other and associated impacts on global climate. We invite contributions from a broad range of numerical modeling studies and proxy reconstructions, including surface ocean changes, deep water circulation, stratification, sea ice, nutrient distribution and utilization, lithogenic inputs and oceanic fronts as well as ice sheet retreat/advance and meltwater supply. Studies may address a wide range of timescales from tectonic and orbital to millennial. We also welcome submissions that compare recent observations with paleoclimate records or that advance methods for reconstructing polar paleoclimate.

Please submit your abstract here by the 15^th of January 2025: https://meetingorganizer.copernicus.org/EGU25/session/51602

Ice-sheet and climate interactions CR2.2 (Co-organized by CL4.29/NP3.9/OS1.23)

Co-Convenors: Heiko Goelzer, Jonas Van Breedam, Ronja Reese, Ricarda Winkelmann, Alexander Robinson

Ice sheets play an active role in the climate system by amplifying, pacing, and potentially driving global climate change over a wide range of time scales. The impact of interactions between ice sheets and climate include changes in atmospheric and ocean temperatures and circulation, global biogeochemical cycles, the global hydrological cycle, vegetation, sea level, and land-surface albedo, which in turn cause additional feedbacks in the climate system. This session will present data and modelling results that examine ice sheet interactions with other components of the climate system over several time scales. Among other topics, issues to be addressed in this session include ice sheet-climate interactions from glacial-interglacial to millennial and centennial time scales, the role of ice sheets in Cenozoic global cooling and the mid-Pleistocene transition, reconstructions of past ice sheets and sea level, the current and future evolution of the ice sheets, and the role of ice sheets in abrupt climate change.

Deadline for abstracts: 15 Jan 2025, 13:00 CET: Register here

Antarctic Ice-Ocean Interaction and Ice Sheet Retreat: Past, Present, and Future (CR7.2)

Session Convenors: Rob Larter (British Antarctic Survey), Michele MacLennan (University of Colorado Boulder)

Understanding the likely mass balance of the Antarctic Ice Sheet in coming decades is critical to sea-level rise forecasting and the needed societal adaptions. As the ice sheet loses mass at accelerating rates, sections grounded deep beneath sea level are poised to enter a regime of irreversible rapid retreat. Most important of these is the Amundsen Sea Embayment where ocean forcing has triggered widespread changes. To project the ice sheet losses in the future we need to integrate knowledge of past ice sheet changes (marine geoscience methods) with observations (multiple geophysical observations). In turn, this better understanding leads to better modeling and projections of future changes. We welcome observational studies from both onshore and offshore realms, in present and recent past timeframes, that explore and constrain the processes affecting change.