AFGL Ion Precipitation Model

This model provides the integral energy and number flux and the average energy of precipitating auroral ions as a function of corrected geomagnetic latitude (CGL), magnetic local time (MLT), and magnetic activity (Kp). About 26.5 million individual 1-s spectra from the SSJ/4 detectors on the DMSP F6, and F7 satellites were sampled into 30 CGL bins (50 to 90) and into 48 half-hour bins for seven levels of magnetic activity Kp = 0 to 6). The paper presents (1) plots of average spectra, (2) histograms of average integral energy/number flux and average energy as a function of CGL along the noon-midnight and dawn-dusk meridians, and (3) color-coded polar spectrograms of the same quantities in a MLT-CGL coordinate system.

Contributor(s)
Initial contribute: 2019-07-02

Authorship

  • D. A. Hardy, M. S. Gussenhoven, D.Brautigam
    • :  
    Air Force Geophysics Laboratory, Hanscom AFB, Massachusetts 01731
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    Classification(s)

    ● Application-focused categoriesNatural-perspectiveSpace-earth regions

    Detailed Description

    English {{currentDetailLanguage}} English
    Quoted from: https://ccmc.gsfc.nasa.gov/modelweb/ionos/afgl_ion.html
     
    Parameter: Integral energy flux, number flux, and average energy of precipitating auroral ions (30 eV to 30 keV)
    Availability: FORTRAN code may be available from the authors (see Heppner-Maynard-Rich Electric Field Model)
     
    Brief Description:

    This model provides the integral energy and number flux and the average energy of precipitating auroral ions as a function of corrected geomagnetic latitude (CGL), magnetic local time (MLT), and magnetic activity (Kp). About 26.5 million individual 1-s spectra from the SSJ/4 detectors on the DMSP F6, and F7 satellites were sampled into 30 CGL bins (50 to 90) and into 48 half-hour bins for seven levels of magnetic activity Kp = 0 to 6). The paper presents (1) plots of average spectra, (2) histograms of average integral energy/number flux and average energy as a function of CGL along the noon-midnight and dawn-dusk meridians, and (3) color-coded polar spectrograms of the same quantities in a MLT-CGL coordinate system.

    References:
    D. A. Hardy, M. S. Gussenhoven, and D. Brautigam, A Statistical Model of Auroral Ion Precipitation, J. Geophys. Res. 94, 370, 1989.
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    D. A. Hardy, M. S. Gussenhoven, D.Brautigam (2019). AFGL Ion Precipitation Model, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/3cb6d073-2788-4df7-8fd6-0ccd8a638600
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    Contributor(s)
    Initial contribute : 2019-07-02

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    Authorship

  • D. A. Hardy, M. S. Gussenhoven, D.Brautigam
    • :  
    Air Force Geophysics Laboratory, Hanscom AFB, Massachusetts 01731
    Is authorship not correct? Feed back

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