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Abstract <p>The magnetogram inversion technique was applied to the onground data of the SuperMAG project to examine the distribution dynamics of field-aligned currents (FACs) in the ionosphere of both hemispheres during an interval of stationary magnetospheric convection at IMF <i>B</i><sub>Y</sub> &lt; 0. It was shown that in the absence of explosive processes, a quadrant asymmetry in the FAC distribution occurs. During substorms, FACs predominated in the dawn sector in both hemispheres. Enhancement in both electrojets is accompanied by PiB pulsations.</p>

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Dynamics of Field-Aligned Currents in Two Hemispheres in the Spring Interval of Stationary Convection

  • 期刊论文

  • 发表日期：

    2026年3月1日

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  • V. V. Mishin,
  • M. A. Kurikalova,
  • R. A. Marchuk,
  • Yu. V. Penskikh

摘要

Abstract

The magnetogram inversion technique was applied to the onground data of the SuperMAG project to examine the distribution dynamics of field-aligned currents (FACs) in the ionosphere of both hemispheres during an interval of stationary magnetospheric convection at IMF BY < 0. It was shown that in the absence of explosive processes, a quadrant asymmetry in the FAC distribution occurs. During substorms, FACs predominated in the dawn sector in both hemispheres. Enhancement in both electrojets is accompanied by PiB pulsations.