Mount Etna, located in the east coast of Sicily in Italy, is one of the most active volcanos in the world and is home to spectacular eruptions. This photo, taken by Robin Campion from the Université Libre de Bruxelles in Belgium, shows bright-red lava and a smoking scoria cone on the upper east flank of …[Read More]
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Meet EGU at the American Geophysical Union Fall Meeting
Are you attending the AGU Fall Meeting in San Francisco 5th-9th December? If so come and visit the EGU booth in the Exhibition Hall Tuesday, 6 December – Thursday, 8 December 0930h – 1800h and Friday, 9 December 0930h – 1330h in Booth 1428, near the AGU Marketplace. You can search a map of the …[Read More]
Imaggeo on Mondays: Forest Fires
Forest Fires. Image by Sandro Makowski, distributed by EGU under a Creative Commons licence. Slash and burn activity in Southern Ecuador. The photo was the taken during field work at the San Francisco valley, a microcatchment in the province of Zamora, south-east of Ecuador. The valley is the study area of the DFG research unit …[Read More]
Geosciences Column: Why are jet streams not good wind energy sources?
Commercial airlines know jet streams well. Planes often hitch a ride on these strong, high-altitude atmospheric winds, which blow from west to east, to fly faster, and they are the reason why long-haul easterly flights (such as those between the US and Europe) are quicker than the corresponding westerly journeys. Scientists are also familiar with …[Read More]
GeoLog is our new blog
This week, the European Geosciences Union is re-launching its blog with a new name, web address and design. Welcome to GeoLog! As with our official twitter account (first @egu2010, recently changed from @egu2011 to @EuroGeosciences), the previous blogs, egu2010.wordpress.com and egu2011.wordpress.com, were initially created in association with the annual EGU General Assembly. Posts, mostly about …[Read More]
Imaggeo on Mondays: Fog over Forest
Fog over Forest. Image by Konstantinos Kourtidis, distributed by EGU under a Creative Commons License. Fog sweeps over a pine forest in the early morning hours. The image was taken on a winter morning in February 2008. The photo was taken from the window of the photographer’s house in Xanthi, Greece. The fog is of …[Read More]
Sand Dunes at EGU GA 2012
Several participants in the Geoblogsphere having been posting recently about sand dunes. Its part of Sand Dune Week declared on twitter by Brian Romans. Some of the posts are listed by Matthew Francis or find more by searching on twitter for “sand dune week”. There are three sessions at the European Geosciences Union General Assembly …[Read More]
Imaggeo on Mondays: Rock Fall
Rock Fall. Image by Fausto Guzzetti, distributed by EGU under a Creative Commons licence. The photograph shows a rock fall occurred near Valtopina, Umbria, Central Italy, at an unknown date. Rockfalls are a mass movement hazard. They mostly occur on steep rock faces, with the blocks that fall detaching along an existing weakness. The scale …[Read More]
Imaggeo on Mondays: Mount Yasur
Strombolian activity on Mount Yasur, Vanuatu. Image by Derya Gürer, distributed by EGU under a Creative Commons licence. Imaggeo is the online open access geosciences image repository of the European Geosciences Union. Every geoscientist who is an amateur photographer (but also other people) can submit their images to this repository. Being open access, it can …[Read More]
Geosciences Column: Iceland spar, or how Vikings used sunstones to navigate
Nowadays, we can rely on GPS receivers or magnetic compasses to tell us how to reach our destination. Some 1000 years ago, Vikings had none of these advanced navigation tools. Yet, they successfully sailed from Scandinavia to America in near-polar regions where it can be hard to use the Sun and the stars as a …[Read More]