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Exceptional European warmth of autumn 2006 and winter 2007: Historical context, the underlying dynamics, and its phenological impacts
Author(s) -
Luterbacher Jürg,
Liniger Mark A.,
Menzel Annette,
Estrella Nicole,
DellaMarta Paul M.,
Pfister Christian,
Rutishauser This,
Xoplaki Elena
Publication year - 2007
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 - 10.1029/2007gl029951
Subject(s) - phenology , anticyclone , anomaly (physics) , climatology , context (archaeology) , environmental science , advection , spring (device) , air temperature , geography , atmospheric sciences , biology , ecology , geology , archaeology , mechanical engineering , physics , condensed matter physics , engineering , thermodynamics
Updated European averaged autumn and winter surface air temperature (SAT) timeseries indicate that the autumn 2006 and winter 2007 were extremely likely (>95%) the warmest for more than 500 years. In both seasons, the European SAT anomaly is widespread with anomalies up to three standard deviations from normal. The anomalous warmth is associated with strong anticyclonic conditions and warm air advection from south west. Phenological impacts related to this warmth included some plant species having a partial second flowering or extended flowering till the beginning of winter. Species that typically flower in early spring were found to have a distinct earlier flowering after winter 2007.

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