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

Lamarche, Leslie J.; Makarevich, Roman A.

doi:10.5194/angeo-34-709-2016

Articles | Volume 34, issue 9

https://doi.org/10.5194/angeo-34-709-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/angeo-34-709-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 34, issue 9

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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Nov 2016	12	7	0	19
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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.