publication . Other literature type . 1995

Time dependent response of equatorial ionospheric electric fieldsto magnetospheric disturbances

Fejer, Bela G.; Scherliess, L.;
Open Access
  • Published: 01 Apr 1995
  • Publisher: SelectedWorks
  • Country: United States
Abstract
We use extensive radar measurements of F region vertical plasma drifts and auroral electrojet indices to determine the storm time dependence of equatorial zonal electric fields. These disturbance drifts result from the prompt penetration of high latitude electric fields and from the dynamo action of storm time winds which produce largest perturbations a few hours after the onset of magnetic activity. The signatures of the equatorial disturbance electric fields change significantly depending on the relative contributions of these two components. The prompt electric field responses, with lifetimes of about one hour, are in excellent agreement with results from glo...
Subjects
arXiv: Physics::Space PhysicsPhysics::Atmospheric and Oceanic PhysicsAstrophysics::Solar and Stellar AstrophysicsPhysics::Geophysics
free text keywords: Time, dependent, response, equator, ionosphere, electric, field, magnetosphere, disturbances, Physics
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Other literature type . 1995
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