2010
DOI: 10.5194/angeo-28-719-2010
|View full text |Cite
|
Sign up to set email alerts
|

Interaction of plasma cloud with external electric field in lower ionosphere

Abstract: Abstract. In the auroral lower-E and upper-D region of the ionosphere, plasma clouds, such as sporadic-E layers and meteor plasma trails, occur daily. Large-scale electric fields, created by the magnetospheric dynamo, will polarize these highly conducting clouds, redistributing the electrostatic potential and generating anisotropic currents both within and around the cloud. Using a simplified model of the cloud and the background ionosphere, we develop the first selfconsistent three-dimensional analytical theo… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
1
1

Citation Types

1
1
0

Year Published

2011
2011
2019
2019

Publication Types

Select...
4

Relationship

1
3

Authors

Journals

citations
Cited by 4 publications
(2 citation statements)
references
References 39 publications
1
1
0
Order By: Relevance
“…However, the small-scale waves can lose a preferential orientation with respect to the mean electron flow. Similar opinion was expressed recently by Dimant and Oppenheim (2010) in their study of plasma cloud evolution in an external electric field. They wrote: "Large-scale electric field will polarize these highly conducting clouds, redistributing the electrostatic potential and generating anisotropic currents both within and around the cloud".…”
Section: V Uspensky Et Al: Volume Cross Section Of Auroral Radarsupporting
confidence: 81%
“…However, the small-scale waves can lose a preferential orientation with respect to the mean electron flow. Similar opinion was expressed recently by Dimant and Oppenheim (2010) in their study of plasma cloud evolution in an external electric field. They wrote: "Large-scale electric field will polarize these highly conducting clouds, redistributing the electrostatic potential and generating anisotropic currents both within and around the cloud".…”
Section: V Uspensky Et Al: Volume Cross Section Of Auroral Radarsupporting
confidence: 81%
“…At this moment, a better accuracy is of less importance than the mere fact that the instability‐induced conductivity occupies roughly the entire lower half of the Pedersen conductive layer and can nearly double the whole conductance. Note also that polarized sporadic E clouds [ Dimant and Oppenheim , 2010], or even ubiquitous meteor trails [ Dimant et al , 2009], can also make additional contributions to anomalous conductances. All these effects combined can, at least partially, explain why global MHD codes developed for predictive modeling of space weather which use normal conductances often overestimate the cross–polar cap potentials by close to a factor of 2.…”
Section: Discussionmentioning
confidence: 99%