Skip to main content
Log in

Indicators of an increase in the flux of relativistic electrons in geostationary orbit during geomagnetic storms

  • Published:
Geomagnetism and Aeronomy Aims and scope Submit manuscript

Abstract

The relation of the fluxes of relativistic electrons in geostationary orbit during magnetic storms to the state of the magnetosphere and variations in the solar wind parameters is studied based on the GOES satellite data (1996–2000). It has been established that, in ∼52–65% of all storms, the fluxes of electrons with energies higher than 0.6 and 2 MeV during the storm recovery phase are more than twice as high as the electron fluxes before a storm. It has been indicated that the probability of such cases is closely related to the prestorm level of fluxes and to a decrease in fluxes during the storm main phase. It has been found that the solar wind velocity on the day of the storm main phase and the geomagnetic activity indices at the beginning of the storm recovery phase are also among the best indicators of occurrence of storms with increased fluxes at the storm recovery phase.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. D. N. Baker, R. L. McFerron, T. E. Cayton, and R. W. Klegesadel, “Linear Prediction Filter Analysis of Relativistic Electron Properties at 6.6 Re,” J. Geophys. Res. 95A, 15 133–15 140 (1990).

    Google Scholar 

  2. V. I. Degtyarev, G. V. Popov, Bingsen Xue, and S. E. Chudnenko, “Input Parameters for Models of Energetic Electrons Fluxes at the Geostationary Orbit,” Chin. J. Space Sci. 25(5), 417–423 (2005).

    Google Scholar 

  3. A. V. Dmitriev and J. K. Chao, “Dependence of Geosynchronous Relativistic Electron Enhancements on Geomagnetic Parameters,” J. Geophys. Res. 108A, SMP1/1–SMP1/12 (2003).

    Google Scholar 

  4. J. W. Freeman, T. P. O’Brien, A. A. Chan, and R. A. Wolf, “Energetic Electron at Geostationary Orbit during the November 3–4, 1993 Storm: Spatial/Temporal Morphology, Characterization by an Artificial Neural Network,” J. Geophys. Res. 103A, 26 251–26 260 (1998).

    Google Scholar 

  5. J. C. Green, T. G. Onsager, T. P. O’Brien, and D. N. Baker, “Testing Loss Mechanisms Capable of Rapidly Depleting Relativistic Electron Flux in the Earth’s Outer Radiation Belt,” J. Geophys. Res. 109A, 12211 (2004).

    Article  Google Scholar 

  6. Junga Hwang, Kyoung Wook Min, Ensang Lee, and Dae Young Lee, “A Case Study to Determine the Relationship of Relativistic Electron Events to Substorm Injections and ULF Power,” Geophys. Res. Lett. 31, L23801 (2004).

    Article  Google Scholar 

  7. H. C. Koons and D. J. Corney, “A Neural Network Model of the Relativistic Electron Flux at Geosynchronous Orbit,” J. Geophys. Res. 96A, 5549–5556 (1991).

    Article  Google Scholar 

  8. X. Li, D. N. Baker, M. Temerin, et al., “Are Energetic Electrons in the Solar Wind the Source of the Outer Radiation Belt?,” Geophys. Res. Lett. 24(8), 923–926 (1997).

    Article  Google Scholar 

  9. X. Li, M. Temerin, D. N. Baker, et al., “Quantitative Prediction of Radiation Belt Electrons at Geostationary Orbit Based on Solar Wind Measurements,” Geophys. Res. Lett. 28(9), 1887–1890 (2001).

    Article  Google Scholar 

  10. T. Nagai, “Space Weather Forecast”: Prediction of Relativistic Electron Intensity at Synchronous Orbit, Geophys. Res. Lett. 15(5), 425–428 (1988).

    Google Scholar 

  11. T. P. O’Brien, R. L. McPherron, D. Sornette, et al., “Which Magnetic Storms Produce Relativistic Electrons at Geosynchronous Orbit,” J. Geophys. Res. 106A, 15 533–15 544 (2001).

    Google Scholar 

  12. G. D. Reeves, “Relativistic Electrons and Magnetic Storms: 1992–1995,” Geophys. Res. Lett. 25(11), 1817–1820 (1998).

    Article  Google Scholar 

  13. G. D. Reeves, K. L. McAdams, R. H. W. Friedel, and T. R. O’Brien, “Acceleration and Loss of Relativistic Electrons during Geomagnetic Storms,” Geophys. Res. Lett. 30(10), 1529 (2003).

    Article  Google Scholar 

  14. A. J. Smith, N. P. Meredith, and T. P. O’Brien, “Differences in Ground-Observed Chorus in Geomagnetic Storms with and without Enhanced Relativistic Electron Fluxes,” J. Geophys. Res. 109A, 11204 (2004).

    Article  Google Scholar 

  15. D. Summers, C. Ma, and T. Mukai, “Competition between Acceleration and Loss Mechanisms of Relativistic Electrons during Geomagnetic Storms,” J. Geophys. Res. 109A, 04221 (2004).

  16. A. Y. Ukhorsky, M. I. Sitnov, A. S. Sharma, et al., “Data-Derived Forecasting Model for Relativistic Electron Intensity at Geosynchronous Orbit,” Geophys. Res. Lett. 31, L09806 (2004).

    Article  Google Scholar 

  17. B. S. Xue, “Study of the Enhancement Events of Relativistic Electron at the Geosynchronous Orbit,” Chin. J. Space Sci. 25(5), 383–386 (2005).

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Additional information

Original Russian Text © V.I. Degtyarev, S.E. Chudnenko, 2007, published in Geomagnetizm i Aeronomiya, 2007, Vol. 47, No. 1, pp. 11-17.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Degtyarev, V.I., Chudnenko, S.E. Indicators of an increase in the flux of relativistic electrons in geostationary orbit during geomagnetic storms. Geomagn. Aeron. 47, 8–14 (2007). https://doi.org/10.1134/S0016793207010021

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1134/S0016793207010021

PACS numbers

Navigation