Atmospheric pressure and velocity fluctuations near the auroral electrojet

Details Atmospheric pressure and velocity fluctuations near the auroral electrojet Atmospheric pressure and velocity fluctuations near the auroral electrojet

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jgr....85.1749l&link_type=abstract

Journal of Geophysical Research, vol. 85, Apr. 1, 1980, p. 1749-1756.

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Atmospheric Pressure, Auroral Electrojets, Wind Velocity, Atmospheric Models, Isothermal Processes, Perturbation Theory, Vertical Distribution

Scientific paper

The low-frequency pressure and velocity perturbations caused by the temporally varying Lorentz force associated with auroral electrojet activity are modeled by calculating the disturbances generated by a two-dimensional, time-dependent current system in a gravitationally stratified, isothermal, windless atmosphere. These calculations provide information about the pattern of gravity waves around the hypothetical electrojet and give estimates of the magnitudes of near-field auroral disturbances in the middle atmosphere. It is suggested that the near-field vertical wind shears may be large enough to affect the development of air turbulence in the auroral zone.

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