0312653 - ÚFA 2009 RIV US eng J - Journal Article
Huth, Radan - Kyselý, Jan - Bochníček, Josef - Hejda, Pavel
Solar activity affects the occurrence of synoptic types over Europe.
[Sluneční aktivita ovlivňuje výskyt synoptických typů nad Evropou.]
Annales Geophysicae. Roč. 26, č. 7 (2008), s. 1999-2004. ISSN 0992-7689. E-ISSN 1432-0576
R&D Projects: GA AV ČR IAA3042401; GA AV ČR IAA300420805
Institutional research plan: CEZ:AV0Z30420517; CEZ:AV0Z30120515
Keywords : solar activity * atmospheric circulation * circulation types * solar-terrestrial relationships
Subject RIV: DG - Athmosphere Sciences, Meteorology
Impact factor: 1.660, year: 2008
http://www.ann-geophys.net/26/1999/2008/

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.

Sluneční vlivy na troposférickou cirkulaci nad Evropou jsou zkoumány pomocí četností výskytu Hess-Brezowského synoptických typů za různých úrovní sluneční aktivity.
Permanent Link: http://hdl.handle.net/11104/0163658