Zonal indices for Europe 1780-1995 and running correlations with temperature

Zonal circulation indices with monthly and seasonal resolutions are calculated based on gridded monthly mean sea-level pressure (SLP) reconstructed back to 1780 by Jones et al. (1999): an overall zonal index for the whole European area between 30degW and 40degE, a normalized index for the North Atla...

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Bibliographic Details
Published in:Climatic change 2001-01, Vol.48 (1), p.219-241
Main Authors: Jacobeit, Jucundus, Jonsson, Peter, Barring, Lars, Beck, Christoph, Ekstrom, Marie
Format: Article
Language:English
Subjects:
Atmospheric pressure
Climate
Climate change
Correlation analysis
Temperature
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Summary:Zonal circulation indices with monthly and seasonal resolutions are calculated based on gridded monthly mean sea-level pressure (SLP) reconstructed back to 1780 by Jones et al. (1999): an overall zonal index for the whole European area between 30degW and 40degE, a normalized index for the North Atlantic Oscillation (NAO), and a similar index for Central Europe. For most of the early time up to the mid-nineteenth century we get preferred negative anomalies in the NAO index for winter and preferred positive ones for summer.
ISSN:0165-0009
1573-1480
DOI:10.1023/A:1005619023045