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 ...

dateOct 06, 2014 in Earth Sciences
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Examining the causes of a devastating debris flow

Storm-triggered landslides cause loss of life, property damage, and landscape alterations. For instance, the remnants of Hurricane Camille in 1969 caused 109 deaths in central Virginia, after 600 mm of rain fell in mountainous ...

dateJul 21, 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 ...

dateJun 04, 2014 in Earth Sciences
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