Numerical modeling of ionospheric effects in the middle- and low-latitude F region during geomagnetic storm sequence of 9-14 September 2005

M. V. Klimenko, V. V. Klimenko, K. G. Ratovsky, Larisa Petrovna Goncharenko, Y. Sahai, P. R. Fagundes, R. De Jesus, A. J. De Abreu, A. M. Vesnin

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Abstract

This study presents the Global Self-Consistent Model of the Thermosphere, Ionosphere and Protonosphere (GSM TIP) numerical simulations of the 9̈C14 September 2005 geomagnetic storm effects in the middle- and low-latitude ionosphere. Recent modifications to the GSM TIP model include adding an empirical model of high-energy electron precipitation and introducing a high-resolution (1 min) calculation of region 2 field-aligned currents and a cross-cap potential difference. These modifications resulted in better representation of such effects as penetration of the magnetospheric convection electric field to lower latitudes and the overshielding. The model also includes simulation of solar flare effects. Comparison of model results with observational data at Millstone Hill (42.6°N, 71.5°W, USA), Arecibo (18.3°N, 66.8°W, Puerto Rico), Jicamarca (11.9°S, 76.9°W, Peru), Palmas (10.2°S, 48.2°W, Brazil), and San Jose Campos (23.2°S, 45.9°W, Brazil) shows good agreement of ionospheric disturbances caused by this storm sequence. In this paper we consider in detail the formation mechanism of the additional layers in an equatorial ionosphere during geomagnetic storms. During geomagnetic storms, the nonuniform in height zonal electric field is generated at the geomagnetic equator. This electric field forms the additional layers in the F region of equatorial ionosphere.

Original languageEnglish
Article numberRS0D03
JournalRadio Science
Volume46
Issue number3
DOIs
Publication statusPublished - Jun 10 2011

Fingerprint

F region
geomagnetic storm
magnetic storms
tropical regions
Ionosphere
ionospherics
ionospheres
ionosphere
modeling
electric field
thermosphere
Electric fields
Brazil
electric fields
Puerto Rico
ionospheric disturbances
electron precipitation
Peru
magnetic equator
field aligned currents

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Earth and Planetary Sciences(all)
  • Electrical and Electronic Engineering

Cite this

Klimenko, M. V., Klimenko, V. V., Ratovsky, K. G., Goncharenko, L. P., Sahai, Y., Fagundes, P. R., ... Vesnin, A. M. (2011). Numerical modeling of ionospheric effects in the middle- and low-latitude F region during geomagnetic storm sequence of 9-14 September 2005. Radio Science, 46(3), [RS0D03]. https://doi.org/10.1029/2010RS004590

Numerical modeling of ionospheric effects in the middle- and low-latitude F region during geomagnetic storm sequence of 9-14 September 2005. / Klimenko, M. V.; Klimenko, V. V.; Ratovsky, K. G.; Goncharenko, Larisa Petrovna; Sahai, Y.; Fagundes, P. R.; De Jesus, R.; De Abreu, A. J.; Vesnin, A. M.

In: Radio Science, Vol. 46, No. 3, RS0D03, 10.06.2011.

Research output: Contribution to journalArticle

Klimenko, MV, Klimenko, VV, Ratovsky, KG, Goncharenko, LP, Sahai, Y, Fagundes, PR, De Jesus, R, De Abreu, AJ & Vesnin, AM 2011, 'Numerical modeling of ionospheric effects in the middle- and low-latitude F region during geomagnetic storm sequence of 9-14 September 2005', Radio Science, vol. 46, no. 3, RS0D03. https://doi.org/10.1029/2010RS004590
Klimenko, M. V. ; Klimenko, V. V. ; Ratovsky, K. G. ; Goncharenko, Larisa Petrovna ; Sahai, Y. ; Fagundes, P. R. ; De Jesus, R. ; De Abreu, A. J. ; Vesnin, A. M. / Numerical modeling of ionospheric effects in the middle- and low-latitude F region during geomagnetic storm sequence of 9-14 September 2005. In: Radio Science. 2011 ; Vol. 46, No. 3.
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