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Observation of the solar eclipse of 20 March 2015 at the Pruhonice station

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    0477718 - ÚFA 2018 RIV GB eng J - Článek v odborném periodiku
    Mošna, Zbyšek - Boška, Josef - Koucká Knížová, Petra - Šindelářová, Tereza - Kouba, Daniel - Chum, Jaroslav - Rejfek, Luboš - Potužníková, Kateřina - Arikan, F. - Toker, C.
    Observation of the solar eclipse of 20 March 2015 at the Pruhonice station.
    Journal of Atmospheric and Solar-Terrestrial Physics. Roč. 171, June (2018), s. 277-284. ISSN 1364-6826. E-ISSN 1879-1824
    Grant CEP: GA ČR(CZ) GA15-24688S; GA ČR(CZ) GC15-07281J
    Grant ostatní: AV ČR(CZ) TUB-14-07
    Program: Bilaterální spolupráce
    Institucionální podpora: RVO:68378289
    Klíčová slova: solar eclipse * acoustic–gravity waves * critical frequency * TEC * digisonde vertical sounding * digisonde drift measurement * Continuous Doppler sounding
    Obor OECD: Meteorology and atmospheric sciences
    Impakt faktor: 1.790, rok: 2018
    http://www.sciencedirect.com/science/article/pii/S1364682617302377

    Response of the atmosphere to the Solar Eclipse on 20 March 2015 is described for mid–latitude region of Czech Republic. For the first time we show join analysis using Digisonde vertical sounding, manually processed Digisonde drift measurement, and Continuous Doppler Sounding for the solar eclipse study. The critical frequencies foE, foF1 and foF2 show changes with different time offset connected to the solar eclipse. Digisonde drift measurement shows significant vertical plasma drifts in F2 region deviating from daily mean course with amplitudes reaching 15–20 m/s corresponding to the time of solar eclipse. Continuous Doppler Sounding shows propagation of waves in the NE direction with velocities between 70 and 100 m/s with a peak 30 min after first contact. We observed increased and persistent wave activity at heights between 150 and 250 km at time about 20–40 min after beginning of SE with central period 65 min.
    Trvalý link: http://hdl.handle.net/11104/0273969

     
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