Brönnimann, S.; Xoplaki, Elena; Casty, C.; Pauling, A.; Luterbacher, Jürg (2007). ENSO influence on Europe during the last centuries. Climate dynamics, 28(2-3), pp. 181-197. Heidelberg: Springer-Verlag 10.1007/s00382-006-0175-z
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El Niño/Southern Oscillation (ENSO) affects climate not only in the Pacific region and the tropics, but also in the North Atlantic-European area. Studies based on twentieth-century data have found that El Niño events tend to be accompanied in late winter by a negative North Atlantic Oscillation index, low temperatures in northeastern Europe and a change in precipitation patterns. However, many questions are open, for example, concerning the stationarity of this relation. Here we study the relation between ENSO and European climate during the past 500 years based on statistically reconstructed ENSO indices, early instrumental station series, and reconstructed fields of surface air temperature, sea-level pressure, precipitation, and 500 hPa geopotential height. After removing years following tropical volcanic eruptions (which systematically mask the ENSO signal), we find a consistent and statistically significant ENSO signal in late winter and spring. The responses to El Niño and La Niña are close to symmetric. In agreement with studies using twentieth-century data only, the ENSO signal in precipitation is different in fall than in late winter. Moving correlation analyses confirm a stationary relationship between ENSO and late winter climate in Europe during the past 300 years. However, the ENSO signal is modulated significantly by the North Pacific climate. A multi-field cluster analysis for strong ENSO events during the past 300 years yields a dominant pair of clusters that is symmetric and represents the ‘classical’ ENSO effects on Europe.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
08 Faculty of Science > Physics Institute > Climate and Environmental Physics 08 Faculty of Science > Institute of Geography 10 Strategic Research Centers > Oeschger Centre for Climate Change Research (OCCR) > NCCR Climate |
UniBE Contributor: |
Xoplaki, Eleni, Luterbacher, Jürg |
Subjects: |
500 Science > 530 Physics 900 History > 910 Geography & travel |
ISSN: |
0930-7575 |
Publisher: |
Springer-Verlag |
Language: |
English |
Submitter: |
Factscience Import |
Date Deposited: |
04 Oct 2013 14:49 |
Last Modified: |
02 Mar 2023 23:22 |
Publisher DOI: |
10.1007/s00382-006-0175-z |
Web of Science ID: |
000242814000005 |
BORIS DOI: |
10.48350/20735 |
URI: |
https://boris.unibe.ch/id/eprint/20735 (FactScience: 4501) |
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