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Icelandic volcano (冰岛火山)

Updated at: 2018-12-01 新题 预测 机经题

Some interesting electrical activity in the clouds of ash drifting around Europe as a result of that Icelandic volcano. Models predicted that electrical charge should be limited to the top and bottom of any ash plume, which is often the site of specific lightning. But info obtained by a weather balloon found significant electrical change within the plume. And that such charge was being generation within the plume -- it wasn’t a remaining of the energy of the volcanic eruption or a result of any vocal weather events. Interactions along ash particles seem to be constantly renewing the charge.
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