A Multi‐Instrument Approach to Determining the Source‐Region Extent of EEP‐Driving EMIC Waves

DOI HANDLE Web Site Web Site Web Site 被引用文献5件 参考文献38件
  • A. T. Hendry
    Department of Space Physics, Institute of Atmospheric Physics Czech Academy of Sciences Prague Czechia
  • O. Santolik
    Department of Space Physics, Institute of Atmospheric Physics Czech Academy of Sciences Prague Czechia
  • Y. Miyoshi
    Institute for Space‐Earth Environmental Research Nagoya University Nagoya Japan
  • A. Matsuoka
    Institute of Space and Astronautical Science Japan Aerospace Exploration Agency Sagamihara Japan
  • C. J. Rodger
    Department of Physics University of Otago Dunedin New Zealand
  • M. A. Clilverd
    British Antarctic Survey (NERC) Cambridge UK
  • C. A. Kletzing
    Department of Physics and Astronomy University of Iowa Iowa City IA USA
  • M. Shoji
    Institute for Space‐Earth Environmental Research Nagoya University Nagoya Japan
  • I. Shinohara
    Institute of Space and Astronautical Science Japan Aerospace Exploration Agency Sagamihara Japan

書誌事項

公開日
2020-03-31
資源種別
journal article
権利情報
  • http://creativecommons.org/licenses/by/4.0/
DOI
  • 10.1029/2019gl086599
公開者
American Geophysical Union (AGU)

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説明

<jats:title>Abstract</jats:title><jats:p>Recent years have seen debate regarding the ability of electromagnetic ion cyclotron (EMIC) waves to drive EEP (energetic electron precipitation) into the Earth's atmosphere. Questions still remain regarding the energies and rates at which these waves are able to interact with electrons. Many studies have attempted to characterize these interactions using simulations; however, these are limited by a lack of precise information regarding the spatial scale size of EMIC activity regions. In this study we examine a fortuitous simultaneous observation of EMIC wave activity by the RBSP‐B and Arase satellites in conjunction with ground‐based observations of EEP by a subionospheric VLF network. We describe a simple method for determining the longitudinal extent of the EMIC source region based on these observations, calculating a width of 0.75 hr MLT and a drift rate of 0.67 MLT/hr. We describe how this may be applied to other similar EMIC wave events.</jats:p>

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