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Propagation of Gravity waves in the ionosphere from multi-point Doppler sounding
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SYSNO ASEP 0426474 Document Type O - Others R&D Document Type Others Title Propagation of Gravity waves in the ionosphere from multi-point Doppler sounding Author(s) Chum, Jaroslav (UFA-U) RID, ORCID
Burešová, Dalia (UFA-U) RID, ORCID
Laštovička, Jan (UFA-U) RID, ORCID
Šindelářová, Tereza (UFA-U) RID, ORCID
Baše, Jiří (UFA-U) RID, ORCID
Hruška, František (UFA-U) RID
McKinnell, L. A. (ZA)
Cabrera, M. A. (AR)Year of issue 2013 Language eng - English Country MX - Mexico Keywords gravity waves ; ionosphere ; wave propagation ; remote sensing Subject RIV DG - Athmosphere Sciences, Meteorology R&D Projects 7AMB12AR018 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UFA-U - RVO:68378289 Annotation Multi-point observations by Doppler sounding system makes it possible to investigate propagation of Gravity Waves (GWs) in the ionosphere. The system operating at two different frequencies (~3.59 MHz and ~4.27 MHz) is located in the Central Europe, Czech Republic. Similar multi-point system operating at only one frequency was also installed in Western Cape in South Africa (f~3.59 MHz) and in Northern Argentina, in the vicinity of Tucuman (f~4.63 MHz). Simultaneous measurements of near-by ionosondes are used to estimate reflection heights of the transmitted frequency . The largest fluctuations of Doppler shift (wave activity) are observed when the sounding radio waves reflect at altitudes from ~150 to ~250 km (sometimes up to 300 km), i.e. mainly in the F layer. Workplace Institute of Atmospheric Physics Contact Kateřina Adamovičová, adamovicova@ufa.cas.cz, Tel.: 272 016 012 ; Kateřina Potužníková, kaca@ufa.cas.cz, Tel.: 272 016 019 Year of Publishing 2014
Number of the records: 1