News tagged with geophysical research letters

Observing the Birkeland currents

When the supersonic solar wind hits the Earth's magnetic field, a powerful electrical connection occurs with Earth's field, generating millions of amperes of current that drive the dazzling auroras. These so-called Birkeland ...

dateOct 06, 2014 in Earth Sciences
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Lakes discovered beneath Greenland ice sheet

The study, published in Geophysical Research Letters, discovered two subglacial lakes 800 metres below the Greenland Ice Sheet. The two lakes are each roughly 8-10 km2, and at one point may have been up to three times larger ...

dateNov 27, 2013 in Earth Sciences
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