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Electric jets

机译:电动喷气

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摘要

Powerful electric currents have been detected in discharges between thunderclouds and the upper atmosphere. Carried by gigantic jets, they are a new factor in the model of the Earth's electrical and chemical environment. Although cloud-to-ground lightning is a familiar disruption in the modern electronic world, lightning formed above the clouds is also an important factor in what is known as the global circuit of atmospheric electricity. Radio atmospherics are natural electromagnetic emissions from lightning discharges and can propagate thousands of kilometres through the 'waveguide' formed by the Earth's surface and the ionized region of the upper atmosphere, known as the ionosphere. In 1925, the physicist C. T. R. Wilson wrote: "The discharges above the cloud would doubtless give rise to atmospherics. If, as has been maintained, atmospherics frequently originate in regions of rain unaccompanied by thunder, they may in such cases be due to discharges of this nature."
机译:在雷云和高层大气之间的放电中已检测到强大的电流。它们由巨大的喷气机携带,是地球电气和化学环境模型中的一个新因素。尽管云对地闪电是现代电子世界中常见的破坏,但云层上方形成的闪电也是众所周知的全球大气电力回路中的重要因素。无线电大气层是雷电释放的自然电磁辐射,可以通过地球表面和高层大气的电离区域(称为电离层)形成的“波导”传播数千公里。 1925年,物理学家CTR威尔逊(CTR Wilson)写道:“云层上方的排放无疑会引起大气层。如果一直保持这种状态,大气层通常起源于未伴有雷声的降雨区域,那么在这种情况下,可能是由于大气层的排放所致。这种性质。”

著录项

  • 来源
    《Nature》 |2003年第6943期|p.927-929|共3页
  • 作者

    Victor P. Pasko;

  • 作者单位

    Communications and Space Sciences Laboratory, Department of Electrical Engineering, Penn State University, 211B EE East, University Park, Pennsylvania 16802, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 自然科学总论;
  • 关键词

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