Recent Advances in Polar Cap Density Structure Research

Shasha Zou, Gareth W. Perry, John C. Foster

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Scopus citations

Abstract

In the polar cap region, high-density ionospheric structures, such as the large-scale tongue-of-ionization and mesoscale polar cap patches, are frequently observed, which are of significant space weather concerns. In this chapter, recent progress on these polar cap high-density ionospheric structures is reviewed with an emphasis on the polar cap patch. Topics include the statistical occurrence rate of patches, plasma structure and characteristics inside patches, dynamic horizontal and vertical transport of high-density ionospheric structures, as well as the mechanisms and variability of optical patch emissions. For each topic, future works are envisioned following the progress reviews.

Original languageEnglish (US)
Title of host publicationIonosphere Dynamics and Applications
Publisherwiley
Pages67-82
Number of pages16
ISBN (Electronic)9781119815617
ISBN (Print)9781119507550
DOIs
StatePublished - Jan 1 2021

All Science Journal Classification (ASJC) codes

  • General Energy

Keywords

  • ionospheric density variability
  • optical emission mechanisms
  • plasma characteristics
  • polar cap density structure
  • polar cap patches
  • statistical occurrence rate

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