Water justice has become a crucial discussion in the past decades. Some of the core aspects reflect the questions about who gets involved in the decision-making process, who has access to drinking water, or who gains from flood alleviation schemes. Many hydrologists are struggling to find an answer to these major challenges. The rise of water justice In recent decades, the question of justice in ...[Read More]
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Geochemistry, Mineralogy, Petrology & Volcanology
Geological TrIPS: The amazing fragments of oceanic crust treasured on the Greek island of Syros
Geologists are often fascinated by the processes (and their products) taking place at the sea. Perhaps the fact that we do not have easy access to most of these processes is what puzzles us as geoscientists. Subduction can be considered as one of these “mysterious” processes for which several mechanisms remain to be better understood. Fortunately, subduction zones can be studied through their anci ...[Read More]
Geodesy
Geodesists on Tour: On a Campaign in the Arctic with a Giraf(f)e in the Aircraft
Way too early on a Saturday morning in late June 2023 I woke up and started my travel to a small airport in Akureyri, North-East Iceland. This is the location of an Icelandic charter company called Norlandair that we used for our airborne geophysical surveys and logistic operations in the Arctic. For a few months I had been preparing a survey to test a new quantum-based technology for airbo ...[Read More]
Seismology
Geo-Movie Cup 2023: Dante’s Peak’s Explosive Victory
Ladies and gentlemen, disaster movie aficionados, and geological enthusiasts, it’s time to revisit the epic showdown that was the Geo-Movie Cup 2023. This year, the competition reached unprecedented heights, welcoming new movies into the mix, adding Instagram as a polling platform, and ultimately crowning “Dante’s Peak” as the winner. Let’s dive in and recap this year ...[Read More]
GeoLog
Biosphere Reserves: What are they and why must we care for them?
Today, 3 November, is globally recognized as the International Day for Biosphere Reserves. The first edition of this observance day was marked last year, with UNESCO urging our relationship with nature needed “a radical rethink.” As Audrey Azoulay, Director-General of UNESCO explains, “The logic is simple: to improve our relationship with nature, we must first improve our understanding of how we a ...[Read More]
Solar-Terrestrial Sciences
Assessing the impact of chlorine ions on solar proton event induced ozone loss
Particle Precipitation High energy particles (e.g. electrons and protons) that precipitate at high latitudes can alter the chemical composition of the atmosphere by different photochemical reactions. This mainly happens due to primary collision processes and subsequent ion and neutral-chemistry reactions. Such reactions ordered by increasing energy are, for example, excitation, photo-dissoc ...[Read More]
Hydrological Sciences
Towards an exciting EGU General Assembly with HS (and more)
The EGU Programme Committee convened in late October to finalize the scientific program for the upcoming General Assembly, GA2024. Their task involved organizing the numerous session proposals, spanning 22 divisions, including Inter- and Transdisciplinary (ITS) sessions, discussing the format of scientific sessions (do expect news for virtual posters and PICOs at GA2024!), the mentoring programme, ...[Read More]
Cryospheric Sciences
A ‘Ticking Bomb’: Understanding the 2023 Glacial Lake Outburst Flood (GLOF) in Sikkim Himalaya
In this week’s blog post, Dr. Remya S N and Dr. Vishnu Nandan talk about how optical and radar satellite images were used to characterize the very recent catastrophic Glacial Lake Outburst Flood (GLOF) from the South Lhonak Lake in the Indian Himalaya before and after the flooding and highlight the importance of timely observations and monitoring for people’s livelihoods. The South Lhonak L ...[Read More]
Geodynamics
Slow Evolution of Europa’s Interior
“Europa may be one of the most promising places in our solar system to find present-day environments suitable for some form of life beyond Earth.” This week in News & Views, Kevin Trinh, a PhD student at Arizona State University, discusses how his recent works on Jupiter’s moon Europa can enlighten us about the evolution of Europa’s interior. One of the most promising p ...[Read More]
GeoLog
GeoRoundup: the highlights of EGU Journals published during October!
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 roundup. For October, the Divisions we are featuring are: Planetary and Solar System Sciences (PS) and Solar-terrestrial Sciences (ST). They are served by the journals: Annales Geophysicae (ANGEO) and Geoscientific Model Develo ...[Read More]