Ionospheric effects and wave activity during CIR/HSSS-related storms above middle latitudes

0490236 - ÚFA 2019 DE eng A - Abstrakt
Burešová, Dalia - Kouba, Daniel - Chum, Jaroslav - Koucká Knížová, Petra - Mošna, Zbyšek - Urbář, Jaroslav
Ionospheric effects and wave activity during CIR/HSSS-related storms above middle latitudes.
Geophysical Research Abstracts. Vol. 20. Göttingen: European Geosciences Union, 2018. EGU2018-4367-1. E-ISSN 1607-7962.
[EGU General Assembly 2018. 08.04.2018-13.04.2018, Vienna]
Institucionální podpora: RVO:68378289
Klíčová slova: ionospheric variability * drift measurement * continuous doppler sounding
Obor OECD: Meteorology and atmospheric sciences
https://meetingorganizer.copernicus.org/EGU2018/EGU2018-7573.pdf

The paper presents results of the analysis of the changes in the regular ionospheric variability and GW activity observedduringCIR/HSSS-relatedstorms(12eventsintotal)whichoccurredwithintheperiodof2014-2017.We analyzedmainionosphericparametersretrievedfrommanuallyscaledionogramsanddriftmeasurementsrecorded at several European and African middle latitude ionospheric stations and spectrograms obtained from Continuous Doppler Sounding System (CDSS). The results were compared with those obtained for strong magnetic storms of CME origin. Most of the observed extraordinary storm-related GWs were with intheperiods of 15-25 min. During the analyzed periods we also observed extraordinary spreads and plasma bubbles at the F region heights. We are going to analyze more CIR/HSSS-related events to test, if our results are statistically significant.
Trvalý link: http://hdl.handle.net/11104/0284503