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Solar activity affects the occurrence of synoptic types over Europe
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SYSNO ASEP 0312653 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Solar activity affects the occurrence of synoptic types over Europe Title Sluneční aktivita ovlivňuje výskyt synoptických typů nad Evropou Author(s) Huth, Radan (UFA-U) RID, ORCID
Kyselý, Jan (UFA-U) RID, ORCID
Bochníček, Josef (GFU-E) ORCID, RID
Hejda, Pavel (GFU-E) ORCID, RIDNumber of authors 4 Source Title Annales Geophysicae. - : Copernicus - ISSN 0992-7689
Roč. 26, č. 7 (2008), s. 1999-2004Number of pages 6 s. Publication form web - web Language eng - English Country US - United States Keywords solar activity ; atmospheric circulation ; circulation types ; solar-terrestrial relationships Subject RIV DG - Athmosphere Sciences, Meteorology R&D Projects IAA3042401 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) IAA300420805 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z30420517 - UFA-U, BC-A (2005-2011) AV0Z30120515 - GFU-E (2005-2011) UT WOS 000258074300029 Annotation The solar effects on tropospheric circulation over Europe are investigated by counting the occurrence of Hess- Brezowsky synoptic types under various levels of solar activity. Solar minima are accompanied by a lower incidence of westerly types and a higher incidence of easterly and northerly types. The types with a northeast and northwest flow are most frequent under a moderate solar activity. There is a weak tendency towards the anticyclonic (cyclonic) types to be less (more) frequent under moderate solar activity. Our results are in accord with previous studies, indicating a strengthened zonal flow in solar maxima and changes in the modes of low-frequency circulation variability. The results point to the fact that the effects of solar activity are not linear. 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 2009
Number of the records: 1