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 geosciences ...[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 a temperature below -93°C. PSCs are most commonly observ ...[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. The photograph has been t ...[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 brought in by the glaciers, and carved by rivers. I ...[Read More]