Disturbance in the Daytime Midlatitude Upper F Region Associated with a Medium Scale Electrodynamic Vortex Motion of Plasma

Under the assumption of the presence of a medium-scale E × B drift vortex of plasma in the daytime midlatitude F region, and using a simplified ionospheric model, we demonstrate that the E × B drift produces noticeable perturbations in the horizontal distribution of the plasma density in the upper F...

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Bibliographic Details
Published in:Journal of astronomy and space sciences 2016, 33(3), , pp.207-210
Main Authors: Hegai, Valery V., Kim, Vitaly P.
Format: Article
Language:English
Subjects:
ionospheric perturbations
midlatitude ionosphere
vortex motion of plasma
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Summary:Under the assumption of the presence of a medium-scale E × B drift vortex of plasma in the daytime midlatitude F region, and using a simplified ionospheric model, we demonstrate that the E × B drift produces noticeable perturbations in the horizontal distribution of the plasma density in the upper F region. The pattern of ion density perturbations shows two separate medium scale domains of enhanced and reduced ion density with respect to the background. The E × B drift does not produce multiple small-scale ion density irregularities through plasma mixing because of the suppression effect of the field-aligned ambipolar plasma diffusion.
ISSN:2093-5587
2093-1409
DOI:10.5140/JASS.2016.33.3.207