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Solar signals detected within neutral atmospheric and ionospheric parameters
- 1.0482967 - ÚFA 2018 RIV GB eng J - Článek v odborném periodiku
Koucká Knížová, Petra - Georgieva, K. - Mošna, Zbyšek - Kozubek, Michal - Kouba, Daniel - Kirov, B. - Potužníková, Kateřina - Boška, Josef
Solar signals detected within neutral atmospheric and ionospheric parameters.
Journal of Atmospheric and Solar-Terrestrial Physics. Roč. 171, June (2018), s. 147-156. ISSN 1364-6826. E-ISSN 1879-1824
Grant CEP: GA ČR(CZ) GA15-24688S
Grant ostatní: AV ČR(CZ) BAS-17-06
Program: Bilaterální spolupráce
Institucionální podpora: RVO:68378289
Klíčová slova: solar energy * upper atmosphere
Obor OECD: Meteorology and atmospheric sciences
Impakt faktor: 1.790, rok: 2018
http://www.sciencedirect.com/science/article/pii/S1364682617302365
We have analyzed time series of solar data together with the atmospheric and ionospheric measurements for solar cycles 19 till 23 according to particular data availability. For the analyses we have used long term data with 1-day sampling. By mean of Continuous Wavelet Transform (CWT) we have found common spectral domains within solar and atmospheric and ionospheric time series. Further we have identified terms when particular pairs of signals show high coherence applying Wavelet Transform Coherence (WTC). Despite wide oscillation ranges detected in particular time series CWT spectra we found only limited domains with high coherence by mean of WTC. Wavelet Transform Coherence reveals significant high power domains with stable phase difference for periods 1 month, 2 months, 6 months, 1 year, 2 years and 3–4 years between pairs of solar data and atmospheric and ionospheric data. The occurence of the detected domains vary significantly during particular solar cycle (SC) and from cycle to the following one. It indicates the changing solar forcing and/or atmospheric sensitivity with time.
Trvalý link: http://hdl.handle.net/11104/0278382
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