| Issue |
J. Space Weather Space Clim.
Volume 5, 2015
|
|
|---|---|---|
| Article Number | A14 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.1051/swsc/2015018 | |
| Published online | 16 June 2015 | |
Research Article
Use of the International Reference Ionosphere 2012 model to calculate emission frequency scale of the ionospheric Alfvén resonator
1
Institute of Solar-Terrestrial Physics SB RAS, Irkutsk
664033, Russia
2
Borok Geophysical Observatory IPhE RAS, Yaroslavl Region
152742, Russia
* Corresponding author: potapov@iszf.irk.ru
Received:
16
December
2014
Accepted:
22
May
2015
We apply the IRI-2012 version of the International Reference Ionosphere model to calculate the difference between frequencies of adjacent harmonics (frequency scale) of the ionospheric Alfvén resonator (IAR) emission. The calculated values are compared with the frequency scale data obtained from search-coil magnetometer measurements. To obtain satisfactory results, it appeared necessary to modify the IRI-2012 model by replacing the vertical profile of ionospheric parameters adopted in the standard model with the profile elongated along the magnetic field lines. Subsequent improvement was obtained through the model correction by using local f0F2 measurements. Finally, our results showed strong correlation between estimated and measured values of frequency scale with the root-mean-square error of 0.14 Hz, or 15%.
Key words: Ionosphere (mid latitude) / Experimental / Plasma waves / Modelling / Propagation
© A.S. Potapov et al., Published by EDP Sciences 2015
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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