Název:
Scaling Analysis Applied to Ionospheric, Solar and Geomagnetic Data
Autoři:
Mošna, Zbyšek ; Koucká Knížová, Petra Typ dokumentu: Příspěvky z konference Konference/Akce: WDS 2011 - Annual Conference of Doctoral Students /20./, Prague (CZ), 2011-05-31 / 2011-06-03
Rok:
2011
Jazyk:
eng
Abstrakt: Scaling analysis based on structure function zeta(q) computed using wavelet analysis and spectrum D(h) is used to study possible connection of ionospheric system with the solar and geomagnetic activity. Data from six ionospheric stations (critical frequency foF2), solar flux F10.7 and geomagnetic indices AE, Kp and Dst are used. Data of foF2 show scale invariance in the period range 2–32 day. Scaling properties of ionospheric data show strong dependence on geomagnetic latitude of the station. Similar distribution of values of scaling exponents h for ionospheric and geomagnetic activity AE and Kp suggests connection between these systems. Values of h for foF2 and F10.7 have different distribution which suggests weak connection between these systems at chosen periods.
Klíčová slova:
critical frequencies; ionosphere; Scaling analysis; structure function Číslo projektu: CEZ:AV0Z30420517 (CEP), IAA300420704 (CEP) Poskytovatel projektu: GA AV ČR Zdrojový dokument: WDS’11 Proceedings of Contributed Papers: Part II: Physics of Plasmas and Ionized Media, ISBN 978-80-7378-185-9
Instituce: Ústav fyziky atmosféry AV ČR
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Informace o dostupnosti dokumentu:
Dokument je dostupný v příslušném ústavu Akademie věd ČR. Původní záznam: http://hdl.handle.net/11104/0207365