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Phase-coherent Oscillatory Modes in Solar and Geomagnetic Activity and Climate Variability
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SYSNO ASEP 0328412 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Phase-coherent Oscillatory Modes in Solar and Geomagnetic Activity and Climate Variability Title Fázově-koherentní oscilační módy v sluneční a geomagnetické aktivitě a v proměnlivosti klimatu Author(s) Paluš, Milan (UIVT-O) RID, SAI, ORCID
Novotná, Dagmar (UFA-U) RIDSource Title Journal of Atmospheric and Solar-Terrestrial Physics. - : Elsevier - ISSN 1364-6826
Roč. 71, 8-9 (2009), s. 923-930Number of pages 8 s. Language eng - English Country GB - United Kingdom Keywords solar activity ; geomagnetic activity ; NAO ; near-surface air temperature ; phase coherence ; climate variability Subject RIV DE - Earth Magnetism, Geodesy, Geography R&D Projects IAA300420805 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z10300504 - UIVT-O (2005-2011) AV0Z30420517 - UFA-U, BC-A (2005-2011) UT WOS 000267572600016 EID SCOPUS 67349103414 DOI 10.1016/j.jastp.2009.03.012 Annotation Oscillatory modes with the period of approximately 7–8 yr were detected in monthly time series of sunspot numbers, geomagnetic activity aa index, NAO (North Atlantic Oscillation) index and near-surface air temperature from several mid-latitude European locations. Instantaneous phases of the modes underwent synchronization analysis and their statistically significant phase coherence, beginning from 1950s, has been observed. Thus the statistical evidence for a coupling between solar/geomagnetic activity and climate variability has been obtained from continuous monthly data, independent of the season, however, confined to the temporal scale related to oscillatory periods about 7–8 yr. Workplace Institute of Computer Science Contact Tereza Šírová, sirova@cs.cas.cz, Tel.: 266 053 800 Year of Publishing 2010
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