President: Alexis Rouillard
(Emailst@egu.eu)
Deputy President: Emilia Kilpua
(Email)
ECS Representative: Andreas Wagner
(Emailecs-st@egu.eu)
The Division on Solar-Terrestrial Sciences (ST) considers all aspects of solar and heliospheric physics, specifically the solar-terrestrial connection. It covers the physical processes occurring on the Sun, in the solar wind, as well as in Earth's magnetosphere and ionosphere. Solar activity (e.g. coronal mass ejections, solar flares, solar energetic particle events) and the response of the near-Earth space environment to these solar phenomena are studied on a wide-range of temporal and spatial scales. Data analysis and interpretation of space-borne and ground-based data, as well as theoretical studies and different modelling techniques are used to better our understanding of how our local star defines the neighbourhood that we live in.
Latest posts from the ST blog
ST-ECS Networking Campfire: “How to Mentor”
In academia, success is often measured with quantifiable outputs such as publications, grants, and awards. On the other hand, the challenging road leading to this success is not something discussed openly. The relationship we build with our colleagues, the support and guidance we receive from mentors and supervisors are important factors affecting our success as individuals and as a community. Mentors play a crucial role in this guidance through constructive feedback, encouragement, or sometimes just being there to listen. Support …
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On the correlation and interactions of space weather with biological indicators
1. Introduction Space weather is significantly affected by geomagnetic disturbances (GMDs) that occur during or after intense solar events such as coronal mass ejections (CMEs), which expel substantial amounts of electromagnetic particles into interplanetary space. Most of these particles collide with the magnetosphere (the outermost region of the atmosphere) where the solar wind (continuous flow of ionized particles) meets the Earth’s magnetic field and can cause compression of the magnetosphere [Gonzalez et al. 1998]. GMDs occur most frequently at the …
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Probing the Solar Wind with Spacecraft Radio Occultation Signals: Chasing a Unified Method to Probe the Sun
Introduction The solar wind, a continuous outflow of charged particles from the solar corona, plays a fundamental role in shaping the heliosphere and driving space weather. Its interaction with planetary magnetospheres and atmospheres regulates magnetospheric dynamics, influences atmospheric escape, and governs space weather hazards that can affect both space- and ground-based technologies. Despite over six decades of study, many aspects of the solar wind remain poorly understood, particularly the processes responsible for its acceleration in the near-Sun region between 1.5 …
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Recent awardees
The 2026 Hannes Alfvén Medal is awarded to
Jana Šafránková for pioneering research in space plasma and dusty plasma physics, including establishing a unique laboratory facility for dust measurements and mentoring a new generation of scientific leaders.
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The 2026 Hannes Alfvén Medal is awarded to
Zdeněk Němeček for pioneering research in space plasma and dusty plasma physics, including establishing a unique laboratory facility for dust measurements and mentoring a new generation of scientific leaders.
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- 2026
- Division Outstanding Early Career Scientist Award
The 2026 Division Outstanding Early Career Scientist Award is awarded to
Samuel Badman for outstanding research on the physics of the solar wind measured by the Parker Solar Probe and Solar Orbiter.
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- 2025
- Julius Bartels Medal
The 2025 Julius Bartels Medal is awarded to
Richard Horne for outstanding work on understanding the acceleration and transport processes of charged particles in the inner magnetosphere, the formation of the radiation belts and their space weather effects.
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- 2025
- Division Outstanding Early Career Scientist Award
The 2025 Division Outstanding Early Career Scientist Award is awarded to
Karin Dissauer for outstanding research in solar and extra-solar space weather research.
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- 2025
- Outstanding Student and PhD candidate Presentation (OSPP) Award
The 2025 Outstanding Student and PhD candidate Presentation (OSPP) Award is awarded to
Carlos Castillo-Rivera Evaluation of Interhemispheric Asymmetry using Total Electron Content at High Latitudes During Geomagnetic Storms
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- 2025
- Outstanding Student and PhD candidate Presentation (OSPP) Award
The 2025 Outstanding Student and PhD candidate Presentation (OSPP) Award is awarded to
Qianyi Ma Multi-spacecraft Observations of Interplanetary Suprathermal Electrons in a Shock-ICME Interaction Region
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Current issue of the EGU newsletter
In our February issue, we are following pioneering scientists into extreme places in the name of discovery, from a day-in-the-life of an Antarctic researcher working on the sea ice to how the Viking spaceships took space plasma from theory to observation. Marie Cavitte shares her experience of the Blue Book traineeship in science for policy and Elsa Abs talks about their work with soil microbes. EGU's President thanks our 12,000 volunteers from 2025 and we share the 24 training schools and member-organised meetings we have funded in 2026. Deadlines approach for the EGU26 photo competition and Early-bird registration fees, and there is a job vacancy in the EGU Executive office in Munich, Germany!
All this and much more, in this month's Loupe!
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