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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Cumulative views and downloads (calculated since 31 Aug 2016)

Month	HTML	PDF	XML	Total
Aug 2016	10	5	1	16
Sep 2016	65	17	1	83
Oct 2016	32	10	0	42
Nov 2016	12	7	0	19
Dec 2016	3	4	1	8
Jan 2017	7	7	0	14
Feb 2017	7	1	0	8
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Jul 2025	19	13	2	34
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Latest update: 21 Nov 2025

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.