Science & IT Magazine
Science & IT Magazine is all about the education, research and cooperation that is being conducted at the Faculty of Science and Technology
75%
Per cent of all man-made heat is absorbed by the Southern Ocean.
Storms allow the Southern Ocean to absorb more heat
THE SOUTHERN OCEAN is a vast sea that surrounds Antarctica and has many important functions. The ocean regulates the Earth’s climate by transporting heat, carbon and nutrients to other oceans. It also has a critical climate function, as the ocean area absorbs more than 75% of the excess heat generated by humans across the globe. The Southern Ocean’s ability to mitigate climate change depends on how effectively it can absorb heat from the atmosphere.
Research shows that storms play an important role in regulating the heat exchange between the air and the sea in the Southern Ocean. Strong winds stir the ocean, pulling up colder deep water and pushing down warmer surface water. The surface becomes cooler, and can therefore absorb more heat from the atmosphere.
WORDS
The Tellegen effect
A strange phenomenon whereby electricity and magnetism are permanently linked inside a material. Applying an electric field also produces a magnetic response, and vice versa, even when nothing changes in time. Researchers have now observed the Tellegen effect in the visible spectrum for the first time.
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EDITORIAL STAFF
EDITOR
Olof Lönnehed +46 31 786 69 70 olof.lonnehed@science.gu.se
EDITORIAL STAFF
- Erika Hoff
- Camilla Persson
- Linnéa Magnusson
- Natalija Sako
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