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Winter “weekend effect” in southern Europe and its connections with periodicities in atmospheric dynamics
Author(s) -
SanchezLorenzo A.,
Calbó J.,
MartinVide J.,
GarciaManuel A.,
GarcíaSoriano G.,
Beck C.
Publication year - 2008
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/2008gl034160
Subject(s) - weekend effect , climatology , atmospheric dynamics , geology , atmospheric research , atmospheric sciences , environmental science , meteorology , geography , atmosphere (unit) , medicine , emergency medicine
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.