News tagged with volcanic particles

Shedding light on plumes

Ludwig Maximilian University of Munich researchers have shown that volcanic lightning results from the discharge of static electricity accumulated by ash particles in the rising plume. Observations of such flashes could help ...

dateJun 14, 2016 in Earth Sciences
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Don't build your model on sand

Volcanic ash can damage jet engines, and Ludwig-Maximilians-Universitaet (LMU) in Munich volcanologists have developed a new empirical model for assessment of the risk. Their results show that tests using sand do not reflect ...

dateMar 14, 2016 in Earth Sciences
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The ashes of Mt. St. Helens

The massive eruption of Mt. St. Helens 35 years ago is one of the largest ever seen in North America. LMU volcanologists now report a retrospective analysis of salts leached from the ash deposited by the volcano on that occasion.

dateJun 26, 2015 in Earth Sciences
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Volcanic ash proves inefficient cloud ice maker

When tons of ash spewed into the atmosphere from a 2010 Icelandic volcano it caused havoc for vacationers across Europe. But did it also dramatically change clouds? Researchers at Pacific Northwest National Laboratory found ...

dateMay 28, 2015 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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