Each month we feature specific Divisions of EGU and during the monthly GeoRoundup we put the journals that publish science from those Divisions at the top of the Highlights section. During this month, we are featuring Ocean Science and Nonlinear Processes. They are represented by the journals Nonlinear Processes in Geophysics (NPG), Weather and Climate Dynamics (WCD), Ocean Science (OS), and Geoscientific Model Development(GMD).
Long-term prediction of the Gulf Stream meander using OceanNet: a principled neural-operator-based digital twin – 20 June 2025
The Gulf Stream is a prominent oceanic feature in the northwestern Atlantic Ocean that influences weather patterns in the Northern Hemisphere and is notoriously difficult to predict. We present a machine learning model, OceanNet, to predict the position of the Gulf Stream months in advance. OceanNet is able to perform a 120 d prediction 4 000 000 times faster than traditional methods of ocean modeling with great accuracy.
The satellite chlorophyll signature of Lagrangian eddy trapping varies regionally and seasonally within a subtropical gyre – 25 June 2025
Eddies are rotating ocean vortices up to hundreds of kilometers in diameter that stimulate phytoplankton blooms. We used satellite data and simulations of currents to examine the effect of eddy trapping strength on phytoplankton concentration in the open North Pacific Ocean. Coherent eddies trap phytoplankton, while “leaky” ones have lower concentrations because they mix with surrounding waters. However, contrary to previous theory, eddy-trapped blooms are more prominent in southern latitudes.
Leaping and vortex motion of the shock aurora toward the late evening sector observed on 26 February 2023 – 11 June 2025
Atmospheric Chemistry and Physics
Quantified ice-nucleating ability of AgI-containing seeding particles in natural clouds – 02 June 2025
Explaining the period fluctuation of the quasi-biennial oscillation – 06 June 2025
Implications of reduced-complexity aerosol thermodynamics on organic aerosol mass concentration and composition over North America – 12 June 2025
Atmospheric Measurement Techniques
The potential of observing atmospheric rivers with Global Navigation Satellite System (GNSS) radio occultation – 12 June 2025
Sedimentary ancient DNA insights into foraminiferal diversity near the grounding line in the western Ross Sea, Antarctica – 06 June 2025
Mean ocean temperature change and decomposition of the benthic δ18O record over the past 4.5 million years – 03 June 2025
GC Insights: Consistency in pyrocartography starts with color – 11 June 2025
Natural Hazards and Earth System Sciences
It could have been much worse: spatial counterfactuals of the July 2021 flood in the Ahr Valley, Germany – 20 June 2025
EGU in the news – June
- EGU study, presented during the 2025 General Assembly, reveals shampoo chemicals in remote antarctic snow
- Earth’s magnetic meltdown, now in surround sound: EGU’s Sanja Panovska’s presentation turns ancient flip into haunting audio
- EGU researcher maps future turbulence hotspots and discovers that climate change is making flights bumpier
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EGU-supported scientist awarded prestigious Fisher Medal for pioneering submarine volcano research
