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 compass. Clouds or fog and the long twilights characteristic of polar summers complicate ...[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, it can be used by scientists for thei ...[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 geosciences ...[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]