Reconciling North Atlantic climate modes: revised monthly indices for the East Atlantic and the Scandinavian patterns beyond the 20th century
Climate variability in the North Atlantic sector is commonly ascribed to the North Atlantic Oscillation. However, recent studies have shown that taking into account the second and third mode of variability (namely the East Atlantic – EA – and the Scandinavian – SCA – patterns) greatly improves our u...
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Online Access: | https://doi.org/10.5194/essd-10-2329-2018 https://www.earth-syst-sci-data.net/10/2329/2018/essd-10-2329-2018.pdf https://doaj.org/article/49c4cd63d5724e3b8029a5b34bde80b5 |
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fttriple:oai:gotriple.eu:oai:doaj.org/article:49c4cd63d5724e3b8029a5b34bde80b5 2023-05-15T17:28:31+02:00 Reconciling North Atlantic climate modes: revised monthly indices for the East Atlantic and the Scandinavian patterns beyond the 20th century L. Comas-Bru A. Hernández 2018-12-01 https://doi.org/10.5194/essd-10-2329-2018 https://www.earth-syst-sci-data.net/10/2329/2018/essd-10-2329-2018.pdf https://doaj.org/article/49c4cd63d5724e3b8029a5b34bde80b5 en eng Copernicus Publications doi:10.5194/essd-10-2329-2018 1866-3508 1866-3516 https://www.earth-syst-sci-data.net/10/2329/2018/essd-10-2329-2018.pdf https://doaj.org/article/49c4cd63d5724e3b8029a5b34bde80b5 undefined Earth System Science Data, Vol 10, Pp 2329-2344 (2018) envir Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2018 fttriple https://doi.org/10.5194/essd-10-2329-2018 2023-01-22T17:58:09Z Climate variability in the North Atlantic sector is commonly ascribed to the North Atlantic Oscillation. However, recent studies have shown that taking into account the second and third mode of variability (namely the East Atlantic – EA – and the Scandinavian – SCA – patterns) greatly improves our understanding of their controlling mechanisms, as well as their impact on climate. The most commonly used EA and SCA indices span the period from 1950 to present, which is too short, for example, to calibrate palaeoclimate records or assess their variability over multi-decadal scales. To tackle this, here, we create new EOF-based (empirical orthogonal function) monthly EA and SCA indices covering the period from 1851 to present, and compare them with their equivalent instrumental indices. We also review and discuss the value of these new records and provide insights into the reasons why different sources of data may give slightly different time series. Furthermore, we demonstrate that using these patterns to explain climate variability beyond the winter season needs to be done carefully due to their non-stationary behaviour. The datasets are available at https://doi.org/10.1594/PANGAEA.892769. Article in Journal/Newspaper North Atlantic North Atlantic oscillation Unknown Earth System Science Data 10 4 2329 2344 |
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envir L. Comas-Bru A. Hernández Reconciling North Atlantic climate modes: revised monthly indices for the East Atlantic and the Scandinavian patterns beyond the 20th century |
topic_facet |
envir |
description |
Climate variability in the North Atlantic sector is commonly ascribed to the North Atlantic Oscillation. However, recent studies have shown that taking into account the second and third mode of variability (namely the East Atlantic – EA – and the Scandinavian – SCA – patterns) greatly improves our understanding of their controlling mechanisms, as well as their impact on climate. The most commonly used EA and SCA indices span the period from 1950 to present, which is too short, for example, to calibrate palaeoclimate records or assess their variability over multi-decadal scales. To tackle this, here, we create new EOF-based (empirical orthogonal function) monthly EA and SCA indices covering the period from 1851 to present, and compare them with their equivalent instrumental indices. We also review and discuss the value of these new records and provide insights into the reasons why different sources of data may give slightly different time series. Furthermore, we demonstrate that using these patterns to explain climate variability beyond the winter season needs to be done carefully due to their non-stationary behaviour. The datasets are available at https://doi.org/10.1594/PANGAEA.892769. |
format |
Article in Journal/Newspaper |
author |
L. Comas-Bru A. Hernández |
author_facet |
L. Comas-Bru A. Hernández |
author_sort |
L. Comas-Bru |
title |
Reconciling North Atlantic climate modes: revised monthly indices for the East Atlantic and the Scandinavian patterns beyond the 20th century |
title_short |
Reconciling North Atlantic climate modes: revised monthly indices for the East Atlantic and the Scandinavian patterns beyond the 20th century |
title_full |
Reconciling North Atlantic climate modes: revised monthly indices for the East Atlantic and the Scandinavian patterns beyond the 20th century |
title_fullStr |
Reconciling North Atlantic climate modes: revised monthly indices for the East Atlantic and the Scandinavian patterns beyond the 20th century |
title_full_unstemmed |
Reconciling North Atlantic climate modes: revised monthly indices for the East Atlantic and the Scandinavian patterns beyond the 20th century |
title_sort |
reconciling north atlantic climate modes: revised monthly indices for the east atlantic and the scandinavian patterns beyond the 20th century |
publisher |
Copernicus Publications |
publishDate |
2018 |
url |
https://doi.org/10.5194/essd-10-2329-2018 https://www.earth-syst-sci-data.net/10/2329/2018/essd-10-2329-2018.pdf https://doaj.org/article/49c4cd63d5724e3b8029a5b34bde80b5 |
genre |
North Atlantic North Atlantic oscillation |
genre_facet |
North Atlantic North Atlantic oscillation |
op_source |
Earth System Science Data, Vol 10, Pp 2329-2344 (2018) |
op_relation |
doi:10.5194/essd-10-2329-2018 1866-3508 1866-3516 https://www.earth-syst-sci-data.net/10/2329/2018/essd-10-2329-2018.pdf https://doaj.org/article/49c4cd63d5724e3b8029a5b34bde80b5 |
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undefined |
op_doi |
https://doi.org/10.5194/essd-10-2329-2018 |
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Earth System Science Data |
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10 |
container_issue |
4 |
container_start_page |
2329 |
op_container_end_page |
2344 |
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