Coupled Earth’s Thermosohere-Ionosphere Global Dynamics Model

A coupled Earth’s thermosohere-ionosphere global dynamics model (for altitudes of 90–500 km) is presented. This model is based on a three-dimensional thermospheric general circulation model and a dynamical model of the ionospheric F-layer, which takes into account plasma-chemical processes, ambipola...

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Bibliographic Details
Published in:Izvestiya. Atmospheric and oceanic physics 2020-05, Vol.56 (3), p.241-252
Main Authors: Dymnikov, V. P., Kulyamin, D. V., Ostanin, P. A.
Format: Article
Language:English
Subjects:
Ambipolar diffusion
Chemical reactions
Climatology
Diffusion layers
Diurnal
Diurnal cycle
Diurnal variations
Dynamic models
Dynamics
Earth and Environmental Science
Earth Sciences
F region
General circulation models
Geophysics/Geodesy
Ion transport
Ionosphere
Ionospheric models
Parameter sensitivity
Parameters
Thermosphere
Thermospheric parameters
Three dimensional models
Upper atmosphere
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Summary:A coupled Earth’s thermosohere-ionosphere global dynamics model (for altitudes of 90–500 km) is presented. This model is based on a three-dimensional thermospheric general circulation model and a dynamical model of the ionospheric F-layer, which takes into account plasma-chemical processes, ambipolar diffusion, and advective ion transport due to neutral wind. General upper atmosphere characteristics have adequately been reproduced and the thermosphere–ionosphere interaction has quantitatively been estimated based on this coupled model. The sensitivity of thermospheric characteristics to ionospheric parameters and the sensitivity of the electron-concentration field distribution in the ionospheric F-layer to thermospheric parameters have been studied within a specified diurnal cycle.
ISSN:0001-4338
1555-628X
DOI:10.1134/S0001433820030068