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Turbulence-induced ionization fluctuations in the lower ionosphere
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1998
[PDF-2.18 MB]
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Description:As part of a larger research project to calculate radar scattering from the lower ionosphere using numerical simulation of internal wave breaking and shear instabilities, sub grid-scale turbulence advection modeling is required to calculate the radar-scattering cross section from the spectrum of electron-concentration fluctuations. The plasma dynamics of multiconstituent ambipolar diffusion is studied to obtain the equations governing the mixing-ratio fluctuations of the ionized species advected by turbulent air. These equations are used with the turbulence advection model to obtain coupled equations for the spectra and cospectra of the ion's mixing ratio and of the potential temperature. The solutions of these equations determine the spectrum of electron-concentration fluctuations. Many example solutions of the equations are presented which include cases of many ion species and cases of very massive ions.
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Content Notes:Reginald J. Hill, Kenneth A. Mitton.
"November 1998."
Also available online in PDF via the NOAA Central Library.
Includes bibliographical references (pages 105-107).
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Rights Information:CC0 Public Domain
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