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26 January 2015
Distinctive sounds announce iceberg births
Underwater sounds can be used to detect different ways glaciers lose ice as they flow into the ocean, giving scientists new insight into these poorly understood events, according to new research.
19 November 2014
Fountain of youth underlies Antarctic mountains
Time ravages mountains, as it does people. Sharp features soften, and bodies grow shorter and rounder. But under the right conditions, some mountains refuse to age. In a new study, scientists explain why the ice-covered Gamburtsev Mountains in the middle of Antarctica looks as young as they do.
13 October 2014
Health check reveals how glacier is declining due to warming climate
Researchers from the British Geological Survey have taken the very first comprehensive health check of a rapidly melting glacier. Their latest study reveals that their icy patient, the Falljökull glacier in southeast Iceland, has been dramatically declining as it tries to adjust to recent changes in the climate.
7 May 2014
In vicious cycle, waves found to grow as Arctic sea ice declines
Recently, I’ve analyzed the first known measurements of wave action in a portion of the Arctic Ocean called the Beaufort Sea, and what I’ve found is striking. The loss of Arctic sea ice from global warming is allowing for bigger waves which, in turn, are likely to further accelerate sea-ice loss and hasten the disintegration of Arctic Ocean shorelines.
17 December 2012
As air columns collapse, glaciers tremble
One moment, a block of ice about the size of a 15-passenger van plummets from the edge of a melting glacier to the water below. Seconds later, seismic vibrations shake the glacier and surrounding rock. For years, scientists have been puzzled over why glaciers quake while losing ice. Now, a new study has uncovered how the icequakes and ice loss are connected, which may help glaciologists and climate scientists track retreating ice throughout the Arctic.
GeoSpace is a blog on Earth and space science, managed by AGU’s Public Information staff. The blog features posts by AGU writers and guest contributors on all sorts of relevant science topics, but with a focus on new research and geo and space sciences-related stories that are currently in the news.