Examining the Wind Shear Theory of Sporadic E With ICON/MIGHTI Winds and COSMIC-2 Radio 2 Occultation Data

Y. Yamazaki, C. Arras, S. Andoh, Y. Miyoshi, H. Shinagawa, B. J. Harding, C. R. Englert, T. J. Immel, S. Sobhkhiz-Miandehi, C. Stolle

研究成果: ジャーナルへの寄稿レター査読

4 被引用数 (Scopus)

抄録

The wind shear theory is widely accepted as an explanation for the formation of a sporadic E (Es) layer, but the direct comparison of Es with the local wind shear has been limited due to the lack of neutral wind measurements. This study examines the role of the vertical wind shear for Es, using signal-to-noise ratio profiles from COSMIC-2 radio occultation measurements and concurrent measurements of neutral wind profiles from the Ionospheric Connection Explorer. It is observed that the Es occurrence rate and average S4 index are correlated with the negative vertical shear of the eastward wind, providing observational support for the wind shear theory. Es can be observed even when the vertical wind shear is positive, which is interpreted as metallic ion layers generated at an earlier time.

本文言語英語
論文番号e2021GL096202
ジャーナルGeophysical Research Letters
49
1
DOI
出版ステータス出版済み - 1月 16 2022

!!!All Science Journal Classification (ASJC) codes

  • 地球物理学
  • 地球惑星科学(全般)

フィンガープリント

「Examining the Wind Shear Theory of Sporadic E With ICON/MIGHTI Winds and COSMIC-2 Radio 2 Occultation Data」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル