On relation between mid-latitude ionospheric ionization and quasi-trapped energetic electrons during 15 December 2006 magnetic storm

A. V. Suvorova, L. C. Tsai, A. V. Dmitriev

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

We report simultaneous observations of intense fluxes of quasi-trapped energetic electrons and substantial enhancements of ionospheric electron concentration (EC) at low and middle latitudes over the Pacific region during the geomagnetic storm on 15 December 2006. Electrons with energy of tens of keV were measured at altitude of ∼800900 km by POES and DMSP satellites. Experimental data from COSMIC/FS3 satellites and global network of ground-based GPS receivers were used to determine height profiles of EC and vertical total EC, respectively. A good spatial and temporal correlation between the electron fluxes and EC enhancements was found. This fact allows us to suggest that the quasi-trapped energetic electrons can be an important source of ionospheric ionization at middle latitudes during magnetic storms.

Original languageEnglish
Pages (from-to)363-369
Number of pages7
JournalPlanetary and Space Science
Volume60
Issue number1
DOIs
StatePublished - Jan 2012

Keywords

  • Ionospheric storms
  • Magnetic storms
  • Radiation belts

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