RING CURRENT ENHANCEMENT AND RECOVERY DYNAMICS DURING MAJOR MAGNETIC STORMS
DOI:
https://doi.org/10.71465/jgs30Keywords:
Ring Current, Geomagnetic Storm, Inner Magnetosphere, Storm RecoveryAbstract
The ring current plays a pivotal role in the energy balance of Earth’s inner magnetosphere, especially during geomagnetic storms. This study investigates the enhancement and recovery dynamics of the ring current during 15 major magnetic storm events from 2000 to 2020. By using in situ particle measurements from the Van Allen Probes, along with geomagnetic indices such as Dst and SYM-H, we analyze the temporal profiles and recovery timescales of storm-time ring current intensification. Our findings highlight the asymmetric response during the main and recovery phases, the role of substorm injections, and storm drivers including coronal mass ejections (CMEs) and high-speed solar wind streams (HSS). Results are significant for improving predictive models of space weather impacts on low-Earth orbit satellites and power systems.
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Copyright (c) 2025 Dr. Ahsan Imran (Author)
This work is licensed under a Creative Commons Attribution 4.0 International License.
All articles published in the Journal of Geospace Science (JOGSS) are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0). This license allows others to share, copy, distribute, and adapt the work, provided proper attribution is given to the original author(s) and source.