GeoLog

EGU Scientific Divisions

Imaggeo On Monday: The Virgin Forest of Arasbârân

Imaggeo On Monday: The Virgin Forest of Arasbârân

This photo was taken standing in the middle of Arasbârân Forest, a beautiful virgin forest in Kaleybar, East Azerbaijan province, Iran. In Autumn and Spring, it gets extremely rainy around this area, thus begins the flowing of ephemeral streams, like the one that is captured in this photo. Located between the Caspian Sea, Aras River …[Read More]

From ‘hippies’ to “How dare you!” and beyond..

From ‘hippies’ to “How dare you!” and beyond..

In 1971 a group of environmental activists set sail from Canada to protest nuclear testing. With this journey the organization Greenpeace was born. 50 years old this year, Greenpeace and other organizations like it have seen environmental concerns move from the fringe to the mainstream, and eventually evolve into climate change activism. In 2009, at …[Read More]

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

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

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: …[Read More]

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

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

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 …[Read More]

Imaggeo On Monday: Onsala Twin Telescopes

Imaggeo On Monday: Onsala Twin Telescopes

“The Onsala Twin Telescopes are part of the global geodetic Very Long Baseline Interferometry (VLBI) network. Radio telescopes all around the globe are observing extra-galactic radio sources simultaneously to determine Earth orientation parameters, source positions and station coordinates, as well as velocities. Geodetic Very Long Baseline Interferometry is used to maintain the International Terrestrial Reference …[Read More]

Imaggeo On Monday: Geodesy on Zugspitze

Imaggeo On Monday: Geodesy on Zugspitze

The Zugspitze Geodynamic Observatory Germany (ZUGOG) has been setup on the summit of mountain Zugspitze at an altitude of almost 3000 m during 2018 with the main scientific objective being a better understanding of seasonal and long-term mass redistributions in the European Alps. This knowledge is very important (e.g. with regard to water storage and …[Read More]