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]
EGU Scientific Divisions
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]
EGU General Assembly 2012 Call for Papers
Abstract submission for the EGU General Assembly 2012 (EGU2012) is now open. The General Assembly is being held from Sunday 22 Apr 2012 to Friday 27 Apr 2012 at the Austria Center Vienna, Austria. You can browse through the Sessions online. Each Session shows the link Abstract Submission. Using this link you are asked to …[Read More]
Imaggeo on Mondays: Lava flow into sea
Lava from the East Rift Zone entering the sea near Kalapana (Hawaii Big Island). Image by Martin Mergili, distributed by EGU under a Creative Commons License. The image shows a flow of basaltic lava out of a lava tunnel into the sea. The location of the scene is the shoreline of Hawaii Big Island near …[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]
Imaggeo on Mondays: Stretching to the Light
Stretching to the Lights, Bryce Canyon, Utah, USA. Image by Valeria Volpe, distributed by EGU under a Creative Commons License. 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, …[Read More]
Imaggeo on Mondays: Akutan Volcano, Alaska
Akutan Volcano, Alaska. Image by Michael Jackson, distributed by EGU under a Creative Commons License. High winds create lenticular clouds off Shishaldin Volcano in the Aleutian Islands. UNAVCO staff installed 16 integrated geophysical instruments including GPS, seismic, tilt, meteorologic instruments on Unimak Island as part of the EarthScope Project. Imaggeo is the online open access …[Read More]
Imaggeo on Mondays: Mother of Pearl Cloud
Mother of Pearl Cloud above Esrange, Sweden. Image by Peggy Achtert, distributed by EGU under a Creative Commons License. This image shows a Polar Stratospheric Cloud (PSC) observed during a lidar campaign at Esrange, northern Sweden, on January 27th, 2011. The lidar measurement revealed that the PSC occurred between 29 and 31 km altitude at …[Read More]
Imaggeo on Mondays: Alpine Wetland
High Altitude Wetland in the Alps, Switzerland. Image by Christine Schleupner, distributed by EGU under a Creative Commons License. High altitude wetlands are scenic and unique ecosystems that fulfill important hydrological functions and provide many ecosystem services. They also serve as geo-archives and play a role in greenhouse-gas emissions, just to name a few things. …[Read More]
Imaggeo on Mondays: Oasis Valley
Oasis Valley, Nevada, USA. Image by Jean-Daniel Champagnac, distributed by EGU under a Creative Commons License. This picture has been taken from the air (small plane) during fieldwork in Alaska during 2009. Oasis valley is located between frontal lobes of Fan and Bremner glaciers (143.57°W; 60.87°N). The orange colour is from sand that have been …[Read More]