EGU Scientific Divisions

Imaggeo On Monday: The evolution of a cloud during a day

Christoph Mayr September 6, 2021

The evolution of a cloud during a day. Credit: Christoph Mayr(distributed via imaggeo.egu.eu)

A cloud in the lee of the Patagonian Andes observed during an entire day. The shape of the cloud changed from lenticular to whirl- and funnel-shaped. Description by Christoph Mayr, after the description on imaggeo.egu.eu. Konstantinos Kourtidis also added a comment to the image, explaining more about how lenticular clouds like these can form: “That’s a great photo sequence. The ...[Read More]

Imaggeo On Monday: Solar eclipse of November 3, 2013, observed from a geostationary orbit

Maximilian Reuter August 30, 2021

Solar eclipse of November 3, 2013, observed from a geostationary orbit. Credit: Maximilian Reuter (distributed via imaggeo.egu.eu)

The solar eclipse of November 3, 2013, as observed from the MSG satellite, in geostationary orbit 36000km above the equator. The eclipsed area, where the shadow of the full Moon reached the Earth’s surface, moved over the Atlantic Ocean and Africa. This eclipse was classified as a hybrid eclipse because it started out as an annular eclipse and became a total eclipse over equatorial Africa. W ...[Read More]

GeoPolicy: What does the IPCC’s 6th Assessment Report tell us about the future?

Chloe Hill August 27, 2021

Boreal forest fire in Canada. Credit: Stefan Doerr, distributed via Imaggeo

The Intergovernmental Panel on Climate Change (IPCC) prepares and publishes extensive Assessment Reports on the scientific, technical and socio-economic knowledge on climate change, including its impacts, future risks, and likely scenarios based on the actions that humanity takes. In their sixth Assessment Report (AR6), the IPCC’s certainty and warnings were clearer than ever. This month’s GeoPoli ...[Read More]

Imaggeo On Monday: Alps highest peak meets folded sea floor

Antoine Clausse August 23, 2021

Alps highest peak meets folded sea floor . Credit: Antoine Clausse (distributed via imaggeo.egu.eu)

During the late Jurassic, this dolostone was formerly at the sea floor, but after millions years of tectonic movements and natural forces, these rocks now appear at 3000m! Mont Blanc, the highest peak of the Alps is less than 20km away, and is visible in the background. Thank to the Alpine collision, this former sea floor was thrusted over gneiss and granite to make both geologists and mountaineer ...[Read More]