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Winter “weekend effect” in southern Europe and its connections with periodicities in atmospheric dynamics
Group of Climatology, University of Barcelona, Barcelona, Spain
Group of Environmental Physics, University of Girona, Girona, Spain
Group of Climatology, University of Barcelona, Barcelona, Spain
Group of Climatology, University of Barcelona, Barcelona, Spain
University of Valencia, Valencia, Spain
Institute of Geography, University of Augsburg, Augsburg, Germany
Winter weekly cycles of different climatic variables have been detected over Spain during the 1961–2004 period. The 13 analyzed series come from stations placed on different climatological and geographical areas with different level of urban influence. Therefore, the weekly cycles can hardly be related with local effects. Contrarily, we suggest that the weekly cycles may be related with changes in the atmospheric circulation over Western Europe, which may be due to some indirect effect of anthropogenic aerosols. Particularly interesting is the observed increase in Sea Level Pressure over Southern Europe during the weekends and consequently a decrease of anticyclonic conditions during the central weekdays.
Received 4 April 2008; accepted 25 June 2008; published 14 August 2008.
Citation: (2008), Winter “weekend effect” in southern Europe and its connections with periodicities in atmospheric dynamics, Geophys. Res. Lett., 35, L15711, doi:10.1029/2008GL034160.
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