2014

Image of Mount Everest and the Khumbu icefall (left) in a green-red-near infrared ASTER satellite image. Snow and ice appear white, as also humans see it. Inset to the right: Part of the mountain and ice fall as seen with a satellite image that captures infrared light that show snow and ice in dark colours. Figure: A. Kääb.
Published Oct. 29, 2014 10:00 AM

A large international study - Global Land Ice Measurements from Space (GLIMS) shows that Earth’s glaciers are shrinking with only a few exceptions. The scientists behind the study have applied satellite images to study the glaciers over the recent decades. The comprehensive report is now published as a book and an e-book.

Kronebreen, Svalbard. Approximately 40 % of the World's glaciers contribute to the sea level when calving icebergs. Seismic measurements can be used to measure calvings at safe distance. Photo: Chris Nuth.
Published Sep. 13, 2014 10:49 AM

Researchers from the project SEISMOGLAC, Department of Geosciences had good luck when they captured on film the calving of Kronebreen, one of Svalbard's fastest glaciers. They added the soundtrack of the seismic recordings. Seismic Sounds of Calving published on YouTube has now 1200 views.

Published July 22, 2014 7:54 PM

The story of the largest volcanic eruptions in the last 2000 years may be found in glaciers in Antarctica. A research team led by researchers from DRI, where researchers from the Department of Geosciences among others have contributed, have studied glacier cores from the Antarctic.

Picture: Karen Mair (left) and Natasha Barrett listen to the sounds as they study a computer model that explains a little about what happens inside a stone crusher. By using a keyboard or another controller you can regulate the strength of the various sounds and thereby create your artistic expression.
Published 3. juni 2014 15:09

The award-winning composer Natasha Barrett has long been fascinated by the sounds of nature. In 2009, Barrett contacted PGP (centre for Physics of Geological Processes) at the University of Oslo where she was introduced to geologist Karen Mair. Mair quickly became interested in the project.

The globe shows a reconstruction of the continents in Late Devonian where Laurussia (including North America, Greenland, Scandinavia & England) was separated from Gondwana (South America) by the Rheic Ocean, and Siberia by the Ægir Sea. These continents are positioned in latitude from paleomagnetic data but their longitude is calibrated in such a way that kimberlites (green circles) fall directly above the plume generation zones in the deep mantle. Figure: T.H. Torsvik/CEED.
Published June 3, 2014 10:14 AM

A model for absolute plate motion and true polar wander on Earth for the past 540 million years is developed by CEED researchers. The model reconstructs continents in longitudes in such a way that large igneous provinces and kimberlites are positioned above the plume generation zones in the Earth’s deep mantle. This provides a framework to understand how the mantle interacts with plate tectonics.

Published 20. mai 2014 13:00

On the Nordaustlandet of Svalbard we find the glacier Austfonna. Right now a part of this glacier - the Basin-3 Austfonna - surges for the first time in 140 years. Glaciolog Thorben Dunse from the Department of Geosciences, was interviewed on 16 May in Svalbardposten about the movement in the glacier.

Published Mar. 24, 2014 1:45 PM

Meteorites are constantly falling down onto the Earth. But we have little knowledge about where they come from or of their age. Now University of Oslo researchers at CEED (Centre for Earth Evolution and Dynamics), Department of Geosciences, have managed to find where on Mars many of the meteorites originated from - and determined that they are more than 4 billion years old.

Published Mar. 14, 2014 1:10 PM

The article "Werner, S.C., Ody, A., Poulet, F., (2014). The Source Crater of Martian Shergottite Meteorites. Science, 7 March 2014, Vol. 343, #6175." published March 6 in Science got a massive media cover in international press.