Characteristic of the Disturbed Days Ionospheric Current System in the 180-Degree Magnetic Meridian

Siti Nurbaiti Ibrahim, Mohammad Huzaimy Jusoh, Ahmad Asari Sulaiman, Akimasa Yoshikawa, Zahira Mohd Radzi

研究成果: ジャーナルへの寄稿Conference article

抄録

The behavior of the ionospheric current during disturbed days using 10 geomagnetic observatories along 180-degree magnetic meridian was analysed. Separation of external and internal current during geomagnetic storm on 12 April until 15 April 2012 data was carried out using spherical harmonic analysis method. The contour of day to day variation of total current, external current and internal current were distinguished based on geomagnetic storm phase. These current then were correlate with the solar wind parameter, IMF Bz, and geomagnetic indices in order to identify their relationship. The results reveal that these current intensities were found higher during the initial phase. This due to the enhancement of the magnetic field during the initial phase caused by the increment of solar wind dynamic pressure and southward IMF Bz. Hence, the induced current identified in the internal current. This study demonstrated that the electric current induction can be obtained from the weak geomagnetic storm.

元の言語英語
記事番号012029
ジャーナルJournal of Physics: Conference Series
1152
発行部数1
DOI
出版物ステータス出版済み - 3 4 2019
イベント1st International Conference on Space Weather and Satellite Application 2018, ICeSSAT 2018 - Shah Alam, Selangor, マレーシア
継続期間: 8 7 20188 8 2018

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ionospheric currents
magnetic storms
solar wind
wind pressure
harmonic analysis
dynamic pressure
spherical harmonics
electric current
induction
observatories
augmentation

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

これを引用

Characteristic of the Disturbed Days Ionospheric Current System in the 180-Degree Magnetic Meridian. / Nurbaiti Ibrahim, Siti; Huzaimy Jusoh, Mohammad; Asari Sulaiman, Ahmad; Yoshikawa, Akimasa; Mohd Radzi, Zahira.

:: Journal of Physics: Conference Series, 巻 1152, 番号 1, 012029, 04.03.2019.

研究成果: ジャーナルへの寄稿Conference article

Nurbaiti Ibrahim, Siti ; Huzaimy Jusoh, Mohammad ; Asari Sulaiman, Ahmad ; Yoshikawa, Akimasa ; Mohd Radzi, Zahira. / Characteristic of the Disturbed Days Ionospheric Current System in the 180-Degree Magnetic Meridian. :: Journal of Physics: Conference Series. 2019 ; 巻 1152, 番号 1.
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AU - Mohd Radzi, Zahira

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