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Travelling wave packets generated by the solar terminator in the upper atmosphere

Abstract

For the first time, the morphology of a new type of midlatitude, medium scale, travelling ionospheric disturbances—travelling wave packets (TWPs)—is presented with the use of total electron content (TEC) measurements from the data of a global net of GPS receivers over a long time period from 1998 to 2007. The total amount of registered TWPs exceeds 275 000. In the context of time, TWPs are narrow-band TEC oscillations of an hour length with a period of about 10–20 min. TWPs are predominantly observed within 3 h after passing the morning solar terminator, when the TEC derivatives reach their maximum.

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Correspondence to E. L. Afraimovich.

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Original Russian Text © E.L. Afraimovich, I.K. Edemskiy, S. V. Voeykov, Yu. V. Yasyukevich, I. V. Zhivetiev, 2010, published in Optica Atmosfery i Okeana.

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Afraimovich, E.L., Edemskiy, I.K., Voeykov, S.V. et al. Travelling wave packets generated by the solar terminator in the upper atmosphere. Atmos Ocean Opt 23, 21–27 (2010). https://doi.org/10.1134/S1024856010010057

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Keywords

  • Wave Packet
  • Total Electron Content
  • Vertical Total Electron Content
  • Total Electron Content Variation
  • Total Electron Content Measurement