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Low latitude storm time ionospheric electrodynamics

Document Type

Article

Journal/Book Title/Conference

Journal of Atmospheric and Solar-Terrestrial Physics

Volume

64

Publisher

Elsevier

Publication Date

2002

First Page

1401

Last Page

1408

Abstract

The response of the low latitude ionosphere to high latitude convection has long been the subject of considerable interest. Radar, ionosonde, magnetometer, and satellite measurements have been extensively used for studying the time-dependent characteristics of low-latitude disturbance electric fields and currents, and their coupling to the high latitude convection. Several global convection models have been used to explore the relationship between inner magnetospheric processes, and mid- and low-latitude ionospheric electrodynamic effects during geomagnetically active times. Recently, significant progress has been made in quantifying the average storm time-dependent responses of low latitude electrodynamic plasma drifts and currents to changes in the high latitude convection, and in the validation of global convection and ionospheric disturbance models. However, there are several fundamental questions dealing mostly with the large variability of the disturbance electric fields. In this review, we examine the latest progress in these studies and discuss a number of outstanding problems.

https://doi.org/10.1016/S1364-6826(02)00103-7

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