Atmospheric pressure and velocity fluctuations near the auroral electrojet. Technical report
Technical Report
·
OSTI ID:5035010
The low frequency pressure and velocity perturbations caused by the temporally varying Lorentz force associated with auroral electrojet activity are modelled 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.
- Research Organization:
- Aerospace Corp., El Segundo, CA (USA). Space Sciences Lab.
- OSTI ID:
- 5035010
- Report Number(s):
- AD-A-111640/9
- Country of Publication:
- United States
- Language:
- English
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