On ENSO impacts on European wintertime rainfalls and their modulation by the NAO and the Pacific multi-decadal variability described through the PDO index

While strong relationships have previously been established between the El Nino/Southern Oscillation(ENSO) and climate variability in many parts of the world, previous analyses of ENSO impacts on European rainfalls havebeen variable and inconclusive. In this paper, the role and apparent interactions...

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Bibliographic Details
Published in:International Journal of Climatology
Main Authors: Zanchettin, D, Franks, SW, Traverso, P, Tomasino, M
Format: Article in Journal/Newspaper
Language:English
Published: Wiley 2008
Subjects:
Engineering
Environmental Engineering
Environmental Engineering Modelling
Pacific
North Atlantic
North Atlantic oscillation
Online Access:https://doi.org/10.1002/joc.1601
http://ecite.utas.edu.au/86420
Description
Summary:While strong relationships have previously been established between the El Nino/Southern Oscillation(ENSO) and climate variability in many parts of the world, previous analyses of ENSO impacts on European rainfalls havebeen variable and inconclusive. In this paper, the role and apparent interactions of a range of known teleconnections areassessed. It is shown that ENSO events do indeed appear to impact European rainfalls and that these impacts are likely toalso depend on the concurrent state of the North Atlantic Oscillation (NAO) and the Pacific Decadal Oscillation (PDO).In particular, it is demonstrated that ENSO impacts most significantly on European wintertime rainfalls during positive(warm) phases of the PDO.

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