EGU Blogs

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Meltwater ponds halt new sea ice growth

Each September, battered by the relentless sun-filled days of summer, the smooth expanse of the Arctic Ocean reaches the climax of its annual transformation. Replacing the endless blanket of winter ice, a vast jigsaw puzzle stretches across the pole, a mosaic of soggy snow islands floating amid turquoise ponds of meltwater and inlets of dark …[Read More]

Explore the Exhibition at EGU 2014!

Today is the last full day to visit the Exhibition at the European Geosciences Union General Assembly! Exhibition booths for companies, publishers, scientific societies and many more are scattered throughout the Blue (basement), Yellow (ground floor), and Green (first floor) Levels of the Austria Center Vienna. See the General Assembly website for a full list of who’s …[Read More]

At the Assembly: Thursday highlights

Welcome to the fourth day of General Assembly excitement! Once again the day is packed with great events for you to attend and here are just some of the sessions on offer. You can find out more about what’s on in EGU Today, the daily newsletter of the General Assembly – grab a copy on …[Read More]

#EGU2014: Bright Sparks in Dirty Thunderclouds

Lightning bolts formed in dirty thunderclouds could help geologists to detect explosive volcanic eruptions. Volcanic lightning is very poorly understood, but Corrado Cimarelli, from the University of München, has been able to reproduce the phenomena in his laboratory. Volcanic lightning is broadly similar to lightning in thunderclouds, but the addition of ash makes the process …[Read More]