Response of Ionospheric Profile Parameters to Equatorial Electrojet Over Peruvian Station

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  • S. A. Bello
    Space Science Centre (ANGKASA), Institute of Climate Changes Universiti Kebangsaan Malaysia Bangi Malaysia
  • M. Abdullah
    Space Science Centre (ANGKASA), Institute of Climate Changes Universiti Kebangsaan Malaysia Bangi Malaysia
  • N. S. A. Hamid
    Space Science Centre (ANGKASA), Institute of Climate Changes Universiti Kebangsaan Malaysia Bangi Malaysia
  • B. W. Reinisch
    Center for Atmospheric Research University of Massachusetts Lowell Lowell MA USA
  • A. Yoshikawa
    Department of Earth and Planetary Sciences, Faculty of Sciences 33 Kyushu University Fukuoka Japan
  • A. Fujimoto
    Kyushu Institute of Technology Kitakyushu Japan

書誌事項

公開日
2019-04
資源種別
journal article
権利情報
  • http://creativecommons.org/licenses/by-nc-nd/4.0/
DOI
  • 10.1029/2018ea000537
公開者
American Geophysical Union (AGU)

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説明

<jats:title>Abstract</jats:title><jats:p>The response of the ionospheric bottomside electron density profile parameters of the <jats:italic>F</jats:italic>2 layer, namely, the maximum electron density (<jats:italic>NmF</jats:italic>2), the maximum height of <jats:italic>F</jats:italic>2 layer (<jats:italic>hmF</jats:italic>2), and bottomside thickness (B0) parameter to the equatorial electrojet (EEJ) current is examined for a Peruvian location at the Jicamarca station (12 °S, 76.9 °W) in the South American sector. The results of the analysis show that both <jats:italic>hmF</jats:italic>2 and B0 increase for ~2 h before sunrise and exhibit a postsunset peak during the equinoctial and summer months. The increase in the peak height, <jats:italic>hmF</jats:italic>2, is observed to terminate before midday, while B0 continued to increase throughout the daytime. The apparent midday and postnoon peaks in <jats:italic>NmF</jats:italic>2 occur in all the seasons under study. It was demonstrated that a relationship exists between EEJ and the profile parameters <jats:italic>hmF</jats:italic>2 and B0 during low and moderate solar conditions. Conversely, the correlation coefficient between EEJ and <jats:italic>NmF</jats:italic>2 is statistically significant only during solar minimum conditions but correlates poorly, if at all, with EEJ during moderate solar activity.</jats:p>

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