GeoLog

Cryospheric Sciences

Imaggeo on Mondays: Melting ice

The speed and extent of Greenland’s ice sheet melt dominated the media over the summer, and for good reason. Dramatic satellite images showed that, in just a few days, 97% of the island’s ice sheet surface thawed, melting over a larger area than at any time in more than 30 years of satellite observations. Usually, during the summer only around half of the surface of Greenland’s ice sheet melts and ...[Read More]

Imaggeo on Mondays: The power of ice

There has been a lot of talk about Greenland lately in the context of global climate change. And for good reason. Over 80% of its total surface is covered by ice, the volume of which exceeds 2,850,000 km3 or enough to raise global sea levels by a staggering 7 m if fully melted. The Greenland ice sheet consists of layers of compressed snow from over 100,000 years of snowfall. As a result, ice cores ...[Read More]

Imaggeo on Mondays: Ephemeral winter wonderland

Today’s text is brought to you by the author of this impressive picture, Patrick Klenk (Heidelberg University, Germany). This photograph is part of a series of images which I took in Death Valley National Park on a brisk December morning in 2011. In this case, we were close to Aguereberry Point, a mountain viewpoint located at 1961m above sea level, overlooking the central part of this “vast ...[Read More]

Imaggeo on Mondays: Glimpse of heaven

The text of this week’s Imaggeo on Mondays comes from the photographer herself, Madlen Gebler, who tells us the tragic story behind this stunning picture. This picture was taken on the 2nd of March 2008 on board the research vessel Polarstern during the expedition ANT XXIV-3. After a four-week cruise we arrived in Atka Bay, Antarctica, in front of the German Antarctic research station Neumayer. I& ...[Read More]