GeoLog

Imaggeo On Monday: The sudden stratospheric warming on February 12, 2018

Daniela Domeisen January 11, 2021

The sudden stratospheric warming on February 12, 2018. Credit: Daniela Domeisen (distributed via imaggeo.egu.eu)

The image captures an atmospheric extreme event, a so-called sudden stratospheric warming (SSW) that occurred on Feb. 12, 2018. It is visualized through potential vorticity above the North Pole at the 10hPa level (~30km) above the Earth’s surface and consists of a split of the winter polar vortex into two separate vortices that interact with each other. Although the events are not predictable more ...[Read More]

Open Access publishing and Open Science at conferences: what do you need to know?

Hazel Gibson January 8, 2021

Earlier this week EGU’s Policy Officer, Chloe Hill was lucky enough to sit down with one of the many advocates for Open Access publishing on EGU’s Publications Committee: Ulrich Pöschl. Whilst all the members of our Publications Committee are fully committed to making EGU’s journals accessible and open, Ulrich has a unique perspective on this, as he is also the initiator and co-c ...[Read More]

What was the best Division blog post in 2020: vote for your favourite!

Hazel Gibson January 6, 2021

The past 12 months have seen an impressive 540 posts published across the EGU’s official blog, GeoLog, as well as the network and division blogs. The EGU Division bloggers in particular have been hard at work producing new informative, fun and interesting blog posts for our members both inside their Division, but also across EGU as a whole! Ocean Sciences Division joined the EGU blogging family &# ...[Read More]

Imaggeo On Monday: Revealing the secrets of the Arctic sky

Konstantina Nakoudi January 4, 2021

SRevealing the secrets of Arctic sky. Credit: Konstantina Nakoudi (distributed via imaggeo.egu.eu)

When it is dark over Ny Ålesund, Svalbard, a bright green laser beam can be seen quite often, shooting from the AWIPEV Arctic Research Base observatory towards the sky. This beam belongs to “KARLi” the Koldewey Aerosol Raman Lidar, run by the Alfred Wegener Institute for more than 25 years, which contributes to long-term, atmospheric aerosol measurement records. With this system ...[Read More]