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Space Weather

Cover image for Space Weather

September 2012

Volume 10, Issue 9

  1. Opinion

    1. Top of page
    2. Opinion
    3. Technical Article
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      What Is a Solar Electromagnetic Storm?

      Guoxiang Ai, Huaning Wang and Jingxiu Wang

      Article first published online: 14 SEP 2012 | DOI: 10.1029/2012SW000847

  2. Technical Article

    1. Top of page
    2. Opinion
    3. Technical Article
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      A real-time forecast service for the ionospheric equatorial zonal electric field

      C. Manoj and S. Maus

      Article first published online: 18 SEP 2012 | DOI: 10.1029/2012SW000825

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      Key Points

      • Zonal electric field drives EIA and spread-F
      • Real-time prediction of zonal electric fields using ACE data
      • Implementation of the prompt-penetration model in real-time
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      Forecasting of global data-binning parameters for high-resolution empirical geomagnetic field models

      M. I. Sitnov, A. Y. Ukhorskiy and G. K. Stephens

      Article first published online: 18 SEP 2012 | DOI: 10.1029/2012SW000783

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      Key Points

      • A method to forecast geomagnetic field is proposed
      • Spurious information is found in the basic set of the binning parameters
      • The problem is resolved by adding substorm-scale loading-unloading filters

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