Physics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsm34a..07p&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #SM34A-07
Physics
[2431] Ionosphere / Ionosphere/Magnetosphere Interactions, [2437] Ionosphere / Ionospheric Dynamics, [2788] Magnetospheric Physics / Magnetic Storms And Substorms
Scientific paper
We have analyzed Demeter micro-satellite data, in particular from ISL, IAP and ICE experiments to study 3 magnetic storm events on January 2005: 7-8, 17-19 and 21-22. The most direct impact on ionosphere is situated at auroral zone but it also affects the dynamics of the ionosphere-thermosphere system at lower latitudes. In effect one can observe changes in the plasma parameters on the global scale. In this study we have analyzed plasma processes related to magnetic storm events and their impact on large scale ionospheric structures such as ionospheric trough. The aim of this study was to establish relation between large scale plasma inhomogeneities and small scale processes. We have produced diurnal global maps for electron density and temperature, ion temperature and ion concentrations. We also analyzed dynamics of the electric field distribution at ULF, ELF, VLF frequency ranges.
Gromadzki M.
Grzesiak Marcin
Przepiorka D.
Rothkaehl Hanna
Slominska E.
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