The Lonely tree. Image by Alexandre M. Ramos , distributed by EGU under a Creative Commons licence. The photograph was taken near to Üetliberg in Switzerland. The Üetliberg mountain is close to Zurich and part of the Albis mountain range. Imaggeo is the online open access geosciences image repository of the European Geosciences Union. Every geoscientist who is an amateur photographer (but also oth ...[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 FOR 816 “Biodiversity and Sustainable Management of a Megadiverse Trop ...[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 these fierce and persistent winds, which occur at a ...[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 the type of upslope fog or hill fog, which forms when winds blow air up a slop ...[Read More]