The Comprehensive Inner Magnetosphere‐Ionosphere Model

DOI DOI Web Site Web Site 被引用文献9件 オープンアクセス
  • M.‐C. Fok
    NASA Goddard Space Flight Center Greenbelt Maryland USA
  • N. Y. Buzulukova
    NASA Goddard Space Flight Center Greenbelt Maryland USA
  • S.‐H. Chen
    NASA Goddard Space Flight Center Greenbelt Maryland USA
  • A. Glocer
    NASA Goddard Space Flight Center Greenbelt Maryland USA
  • T. Nagai
    Department of Earth and Planetary Sciences Tokyo Institute of Technology Tokyo Japan
  • P. Valek
    Southwest Research Institute San Antonio Texas USA
  • J. D. Perez
    Physics Department Auburn University Auburn Alabama USA

書誌事項

公開日
2014-09
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/2014ja020239
  • 10.35099/aurora-570
公開者
American Geophysical Union (AGU)

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説明

<jats:title>Abstract</jats:title><jats:p>Simulation studies of the Earth's radiation belts and ring current are very useful in understanding the acceleration, transport, and loss of energetic particles. Recently, the Comprehensive Ring Current Model (CRCM) and the Radiation Belt Environment (RBE) model were merged to form a Comprehensive Inner Magnetosphere‐Ionosphere (CIMI) model. CIMI solves for many essential quantities in the inner magnetosphere, including ion and electron distributions in the ring current and radiation belts, plasmaspheric density, Region 2 currents, convection potential, and precipitation in the ionosphere. It incorporates whistler mode chorus and hiss wave diffusion of energetic electrons in energy, pitch angle, and cross terms. CIMI thus represents a comprehensive model that considers the effects of the ring current and plasmasphere on the radiation belts. We have performed a CIMI simulation for the storm on 5–9 April 2010 and then compared our results with data from the Two Wide‐angle Imaging Neutral‐atom Spectrometers and Akebono satellites. We identify the dominant energization and loss processes for the ring current and radiation belts. We find that the interactions with the whistler mode chorus waves are the main cause of the flux increase of MeV electrons during the recovery phase of this particular storm. When a self‐consistent electric field from the CRCM is used, the enhancement of MeV electrons is higher than when an empirical convection model is applied. We also demonstrate how CIMI can be a powerful tool for analyzing and interpreting data from the new Van Allen Probes mission.</jats:p>

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