Detail of a photo: Maze of layered canyon walls and buttes in bands of red, cream and grey, receding into the distance in soft evening light.
GeoLog

GeoLog

Imaggeo On Monday: Catching a glimpse of the Mesosphere

Imaggeo On Monday: Catching a glimpse of the Mesosphere

In the midst of summer when the sun does not set at high latitudes one can sometimes catch a glimpse of the mesosphere shortly after sunset or before sunrise. These thin veils, known as noctilucent clouds, are the highest known cloud-like structures forming at about 80km above the surface. At this height, they are still …[Read More]

GeoPolicy: EGU science for policy: what’s coming up in 2021?

GeoPolicy: EGU science for policy: what’s coming up in 2021?

There were a lot of big changes to the EGU’s science for policy programme in 2020 with many of our activities, such as the annual science for policy event and science-policy pairing scheme, moving online. But 2021 promises to be an even bigger year with a greater number of opportunities to engage and activities becoming …[Read More]

EGU Photo Competition 2021: Now open for submissions!

EGU Photo Competition 2021: Now open for submissions!

If you are registered for the 2021 online General Assembly vEGU21 (19 – 30 April), you can take part in our annual photo competition! Winners receive a free registration to next year’s General Assembly!   The eleventh annual EGU photo competition opens today, 15 January. Up until 31 March, every participant pre-registered for the General Assembly …[Read More]

Imaggeo On Monday: Revealing the secrets of the Arctic sky

Imaggeo On Monday: Revealing the secrets of the Arctic sky

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 …[Read More]