| Issue |
E3S Web Conf.
Volume 11, 2016
VII International Conference “Solar-Terrestrial Relations and Physics of Earthquakes Precursors”
|
|
|---|---|---|
| Article Number | 00004 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.1051/e3sconf/20161100004 | |
| Published online | 04 November 2016 | |
Research of variations of ionospheric parameters during the local meteorological phenomena in the kaliningrad region
1 Immanuel Kant Baltic Federal University, 236006 Kaliningrad, Russia
2 West department IZMIRAN, 236041 Kaliningrad, Russia
* Corresponding author: opsuslova@gmail.com
The paper presents observations of atmospheric and ionospheric parameters during strong meteorological disturbances (storms) in the Kaliningrad region. The analysis of ionospheric observations has shown that during meteorological storms the amplitude of diurnal variations in TEC decreases to 50 %; and in foF2, to 15 % as compared to quiet days. The revealed changes in ionospheric conditions during meteorological storms are regularly registered and represent a characteristic feature of the meteorological effect on the ionosphere. Modeling studies of the vertical propagation of AGW from the Earth’s surface showed that such waves quickly (within ~15 min) reach altitudes of the upper atmosphere (~300 km). The refraction and dissipation of waves in the upper atmosphere produces perturbations of the background state of the atmosphere and gives rise to the waveguide propagation of infrasonic wave components. The observed manifestations of TEC disturbances caused by AGW propagating from the lower atmosphere can be explained by the diurnal variation of the altitude of the ionosphere and the waveguide propagation of infrasonic waves.
© The Authors, published by EDP Sciences, 2016
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