POWER SERIES SOLUTION OF THE F2 LAYER DIFFUSION EQUATION

If the equatorial electron density profile in the region is known, the equilibrium electron density everywhere else can in theory be computed. A method is given for carrying out this process for regions within 30 degrees of latitude of the dip equator for an exponential atmosphere of constant scale...

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Bibliographic Details
Main Authors: Baxter,R. G, Kendall,P. C, Windle,D. W
Format: Report
Language:English
Subjects:
DIFFUSION
ELECTRON DENSITY
F REGION
GEOMAGNETISM
IONOSPHERE
PARTIAL DIFFERENTIAL EQUATIONS
PLASMAS(PHYSICS)
POWER SERIES
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Summary:If the equatorial electron density profile in the region is known, the equilibrium electron density everywhere else can in theory be computed. A method is given for carrying out this process for regions within 30 degrees of latitude of the dip equator for an exponential atmosphere of constant scale height and for symmetry about the dip equator. This is achieved by simplifying the diffusion equation for an isothermal atmosphere, then expanding in a power series, convergent at great height and whose coefficients are functions of latitude. The method is applied to a study of the distributions of electron density expected from an equatorial profile with a single maximum, similar to a Chapman profile. Attention is confined to the case of no production and loss, with an upward electrodynamic drift at right angles to the magnetic field lines and uniform at the dip equator. (Author) Prepared for publication in the Journal of Atmospheric and Terrestrial Physics.