Articles | Volume 10, issue 4
Earth Syst. Sci. Data, 10, 2329–2344, 2018
https://doi.org/10.5194/essd-10-2329-2018
Earth Syst. Sci. Data, 10, 2329–2344, 2018
https://doi.org/10.5194/essd-10-2329-2018
Review article
21 Dec 2018
Review article | 21 Dec 2018

Reconciling North Atlantic climate modes: revised monthly indices for the East Atlantic and the Scandinavian patterns beyond the 20th century

Laia Comas-Bru and Armand Hernández

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Short summary
This review presents new EOF-based monthly indices of the east Atlantic and the Scandinavian patterns covering the period from 1851 to present. The paper also includes a comparison with their analogous instrumental indices, provides insights into the reasons why different sources of data may give slightly different time series and demonstrates that using these patterns to explain climate variability beyond the winter season needs to be done carefully due to their non-stationary behaviour.