GeoLog

Cryospheric Sciences

GeoSciences Column: When could humans last walk, on land, between Asia & America?

August 25, 2017
GeoSciences Column: When could humans last walk, on land, between Asia & America?
Map showing the Chukchi Sea, north of the Bering Strait and Sea, between Russia and the United States. Credit: NormanEinstein, distributed via Wikimedia Commons.

Though now submerged under 53 m of ocean waters, there once was a land bridge which connected North America with Asia, allowing the passage of species, including early humans, between the two continents. A new study, published in the EGU’s open access journal Climate of the Past, explores when the land bridge was last inundated, cutting off the link between the two landmasses. The Bering Strait, a ...[Read More]

Imaggeo on Mondays: A dramatic avalanche from Annapurna South

August 7, 2017
Imaggeo on Mondays: A dramatic avalanche from Annapurna South
A dramatic avalanche from Annapurna South . Credit: Emily Hill (distributed via imaggeo.egu.eu)

The Annapurna massif is located in an imposing 55 km long collection of peaks in the Himalayas, which behave as a single structural block. Composed of one peak (Annapurna I Main) in excess of 8000 m, a further thirteen peaks over 7000 m and sixteen more of over 6000 m, the massif forms a striking structure within the Himalayas. Annapurna South (pictured in today’s featured image), the 101st talles ...[Read More]

Imaggeo on Mondays: Symbiosis of ice and water

July 31, 2017
Imaggeo on Mondays: Symbiosis of ice and water
Symbiosis of fire, ice and water . Credit: Michael Grund (distributed via imaggeo.egu.eu)

This mesmerising photograph is another of the fabulous finalists (and winner) of the 2017 imaggeo photo contest. Imaggeo is the EGU’s open access image repository. It’s a great place to showcase your photographs; so whether you are stuck in the lab this summer, frantically typing away at a paper, or are lucky enough to be in the field, be sure to submit your photographs for all EGU members to see. ...[Read More]

Imaggeo on Mondays: Nor’Wester in the Southern Alps of New Zealand

July 24, 2017
Imaggeo on Mondays: Nor’Wester in the Southern Alps of New Zealand
Find a new way . Credit: Stefan Winkler (distributed via imaggeo.egu.eu)

Stephan Winkler’s 2017 Imaggeo Photo Contest finalist photo showcases an unusual weather phenomenon… The image shows a typical weather situation in the Southern Alps of New Zealand with a moist, westerly airflow pushing over the Main Divide [which separates the water catchments of the more heavily populated eastern side of the island from those on the west coast] to create a typical foehn wind [dr ...[Read More]