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THE NUMERICAL MODELING OF THE BACKGROUND VARIATIONS OF THE IONOSPHERE TOTAL ELECTRON CONTENT AND PEAK F2-LAYER ELECTRON DENSITY

M. G. Botova, A. A. Namgaladze, B. E. Prokhorov

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Abstract

The paper presents the results of studying the ability of the Earth's Upper Atmosphere Model (UAM) to reproduce background variations of the ionosphere total electron content (TEC) for the problem of search of the ionospheric precursors of the earthquakes. The results of the TEC and NmF2 modeling were compared with the data obtained from the empirical ionospheric model IRI-2007 and GIM (Global Ionosphere Maps) of the TEC provided by the NASA in IONEX format derived from IGNSS network data. It was shown that a quantitative agreement between theoretical and empirical TEC and NmF2 is satisfactory except the main ionospheric trough region for all date's simulations.

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What this paper is about

The paper presents the results of studying the ability of the Earth's Upper Atmosphere Model (UAM) to reproduce background variations of the ionosphere total electron content (TEC) for the problem of search of the ionospheric precursors of the earthquakes. The results of the TEC and NmF2 modeling were compared with the data obtained from the empirical ionospheric model IRI-2007 and GIM (Global Ionosphere Maps) of the TEC provided by the NASA in IONEX format derived from IGNSS network data. It was shown that a quantitative agreement between theoretical and empirical TEC and NmF2 is satisfactory except the main ionospheric trough region for all date's simulations.

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Available abstract

The paper presents the results of studying the ability of the Earth's Upper Atmosphere Model (UAM) to reproduce background variations of the ionosphere total electron content (TEC) for the problem of search of the ionospheric precursors of the earthquakes. The results of the TEC and NmF2 modeling were compared with the data obtained from the empirical ionospheric model IRI-2007 and GIM (Global Ionosphere Maps) of the TEC provided by the NASA in IONEX format derived from IGNSS network data. It was shown that a quantitative agreement between theoretical and empirical TEC and NmF2 is satisfactory except the main ionospheric trough region for all date's simulations.

Key concepts: TEC, Ionosphere, Total electron content, Atmospheric sciences, Electron density, International Reference Ionosphere, Atmosphere (unit), Trough (economics)

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