Computer Science – Sound
Scientific paper
Apr 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983p%26ss...31..377s&link_type=abstract
Planetary and Space Science (ISSN 0032-0633), vol. 31, April 1983, p. 377-387. Research supported by the Science and Engineering
Computer Science
Sound
6
F 2 Region, Ionospheric Electron Density, Ionospheric Sounding, Midlatitude Atmosphere, Proton Belts, Wind Effects, Faraday Effect, Group Velocity, Hydrogen Ions, Oxygen Ions, Summer, Wind Direction, Wind Variations, Wind Velocity
Scientific paper
A model is developed for the effects of neutral air winds on the electron content and other parameters of the mid-latitude ionosphere. The model utilizes mathematical solutions of the time-dependent continuity and momentum equations for oxygen and hydrogen ions. The geometry is selected to represent a propagation path between a geosynchronous satellite and a ground station, and the results are compared for those obtained from slant path observations of the ATS-6 radio beacon made at Lancaster (UK) and Boulder, Colorado (USA). Results show that the electron content responds markedly to the magnitude and phase of the neutral air winds and that the effect induced by the wind on the electron content indicates a consistent quantitative relationship with the wind velocity, especially during daytime. Reasonable variations in the phase and magnitude of the wind are found to produce a range of daily electron content patterns which encompass the range of daily variations observed. In addition, the model results show that the wind gives rise to an enhanced filling of the protonosphere which is indicated by a depressed value of the shape factor (F). It is found that the depression of F is enhanced by a poleward wind and is suppressed or even superseded by an equatorward wind through changes of the electron density distribution with altitude.
Bailey Graham J.
Hargreaves John Keith
Moffett R. J.
Sethia Gautam C.
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