Outer radiation belt boundary location relative to the magnetopause: Implications for magnetopause shadowing

DOI PDF Web Site 被引用文献7件 参考文献38件
  • C. Matsumura
    Solar-Terrestrial Environment Laboratory; Nagoya University; Nagoya Japan
  • Y. Miyoshi
    Solar-Terrestrial Environment Laboratory; Nagoya University; Nagoya Japan
  • K. Seki
    Solar-Terrestrial Environment Laboratory; Nagoya University; Nagoya Japan
  • S. Saito
    Solar-Terrestrial Environment Laboratory; Nagoya University; Nagoya Japan
  • V. Angelopoulos
    IGPP; University of California; Los Angeles California USA
  • J. Koller
    Los Alamos National Laboratory; Los Alamos New Mexico USA

書誌事項

タイトル別名
  • BRIEF REPORT
公開日
2011-06
資源種別
journal article
権利情報
  • http://doi.wiley.com/10.1002/tdm_license_1.1
DOI
  • 10.1029/2011ja016575
公開者
American Geophysical Union (AGU)

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説明

[1] Relativistic electron fluxes of the outer radiation belt often decrease rapidly in response to solar wind disturbances. The importance of the magnetopause shadowing (MPS) effect on such electron losses has yet to be quantified. If the MPS is essential for outer radiation belt electron losses, a close relationship between the outer edge of the outer belt and the magnetopause standoff distance is expected. Using GOES and THEMIS data, we examined earthward movement of the outer edge of the outer belt during electron loss events at geosynchronous orbit and its correlation with the magnetopause standoff distance. In events with significant earthward movement, we found a good correlation. There were no clear correlations in events without significant earthward movement, however. Comparing the observational results with a test particle simulation, the observed dependence between the outer edge and the magnetopause standoff distance is consistent with the MPS effect.

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