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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Volcanic ash can threaten air traffic

The presence of volcanic ash in the upper atmosphere presents multiple threats to aviation. It not only reduces visibility and abrades the exposed areas of the aircraft, the fine particles can also endanger the operation ...

dateJun 04, 2014 in Earth Sciences
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