Absorption spectroscopy
; D region
; Electromagnetic wave absorption
; Ionospheric measurement
; Magnetosphere
; Meteorological instruments
; Radar measurement
; Radio astronomy
; Carrier concentration
; Electron density measurement
; Films
; Ionosphere
; Electron density profiles
; Electron precipitation
; Imaging receivers
; Ionospheric electron densities
; KAIRA
; Single frequency
; spectral riometry
; Time and frequencies
; Parameterized
; Received power
; Films
; Electrons
; absorption spectrum
; electron density
; estimation method
; ionization
; ionosphere
; precipitation (climatology)
; radar imagery
; radio wave
; Finland
; Kilpisjarvi
; Lappi [Finland]
Kero A.,Vierinen J.,McKay-Bukowski D.,et al. Ionospheric electron density profiles inverted from a spectral riometer measurement[J]. Geophysical Research Letters,2014-01-01,41(15).