Articles | Volume 34, issue 9
https://doi.org/10.5194/angeo-34-709-2016
https://doi.org/10.5194/angeo-34-709-2016
Regular paper
 | 
31 Aug 2016
Regular paper |  | 31 Aug 2016

A modeling study of asymmetries in plasma irregularity characteristics near gradient reversals

Leslie J. Lamarche and Roman A. Makarevich

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Latest update: 10 Jan 2025
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Short summary
The asymmetries between the leading and trailing edges of large-scale plasma density structures in the ionosphere are examined using a general formalism for the gradient-drift instability for arbitrary altitude and propagation direction. The asymmetry changes dramatically with propagation direction and is most likely to be observed by a ground-based radar when the radar’s boresight is parallel to the structure’s elongation direction and perpendicular to its direction of motion.