Inferring Nighttime Ionospheric Parameters with the Far Ultraviolet Imager Onboard the Ionospheric Connection Explorer

Farzad Kamalabadi, Jianqi Qin, Brian J. Harding, Dimitrios Iliou, Jonathan J Makela, R. R. Meier, Scott L. England, Harald U. Frey, Stephen B. Mende, Thomas J. Immel

Research output: Contribution to journalReview article

Abstract

The Ionospheric Connection Explorer (ICON) Far Ultraviolet (FUV) imager, ICON FUV, will measure altitude profiles of OI 135.6 nm emissions to infer nighttime ionospheric parameters. Accurate estimation of the ionospheric state requires the development of a comprehensive radiative transfer model from first principles to quantify the effects of physical processes on the production and transport of the 135.6 nm photons in the ionosphere including the mutual neutralization contribution as well as the effect of resonant scattering by atomic oxygen and pure absorption by oxygen molecules. This forward model is then used in conjunction with a constrained optimization algorithm to invert the anticipated ICON FUV line-of-sight integrated measurements. In this paper, we describe the connection between ICON FUV measurements and the nighttime ionosphere, along with the approach to inverting the measured emission profiles to derive the associated O+ profiles from 150–450 km in the nighttime ionosphere that directly reflect the electron density in the F-region of the ionosphere.

Original languageEnglish (US)
Article number70
JournalSpace Science Reviews
Volume214
Issue number4
DOIs
StatePublished - Jun 1 2018

Fingerprint

ionospherics
ionosphere
ionospheres
oxygen
F region
neutralization
profiles
electron density
radiative transfer
scattering
line of sight
parameter
optimization
photons
effect
molecules

Keywords

  • Inverse theory
  • Ionospheric remote sensing
  • Radiative transfer
  • Ultraviolet emissions

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Inferring Nighttime Ionospheric Parameters with the Far Ultraviolet Imager Onboard the Ionospheric Connection Explorer. / Kamalabadi, Farzad; Qin, Jianqi; Harding, Brian J.; Iliou, Dimitrios; Makela, Jonathan J; Meier, R. R.; England, Scott L.; Frey, Harald U.; Mende, Stephen B.; Immel, Thomas J.

In: Space Science Reviews, Vol. 214, No. 4, 70, 01.06.2018.

Research output: Contribution to journalReview article

Kamalabadi, Farzad ; Qin, Jianqi ; Harding, Brian J. ; Iliou, Dimitrios ; Makela, Jonathan J ; Meier, R. R. ; England, Scott L. ; Frey, Harald U. ; Mende, Stephen B. ; Immel, Thomas J. / Inferring Nighttime Ionospheric Parameters with the Far Ultraviolet Imager Onboard the Ionospheric Connection Explorer. In: Space Science Reviews. 2018 ; Vol. 214, No. 4.
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AU - Makela, Jonathan J

AU - Meier, R. R.

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