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DOI10.1175/JCLI-D-19-0135.1
Examining the North Atlantic Oscillation, East Atlantic Pattern, and Jet Variability since 1685
Mellado-Cano, Javier1,2; Barriopedro, David3; Garcia-Herrera, Ricardo2,3; Trigo, Ricardo M.1; Hernandez, Armand4
2019-10-01
发表期刊JOURNAL OF CLIMATE
ISSN0894-8755
EISSN1520-0442
出版年2019
卷号32期号:19页码:6285-6298
文章类型Article
语种英语
国家Portugal; Spain
英文摘要

Recent studies have stressed the key role of the east Atlantic (EA) pattern and its interactions with the North Atlantic Oscillation (NAO) in Euro-Atlantic climate variability. However, instrumental records of these leading patterns of variability are short, hampering a proper characterization of the atmospheric circulation beyond the mid-nineteenth century. In this work, we present the longest (1685-2014) observational-based records of winter NAO and EA indices as well as estimates of the North Atlantic eddy-driven jet stream speed and latitude for the same period. The time series display large variability from interannual to multidecadal time scales, with, for example, positive (negative) EA (NAO) phases dominating before 1750 (during much of the nineteenth century). By identifying winters with different combinations of NAO/EA phases in the twentieth century, our results highlight the additional role of EA in shaping the North Atlantic action centers and the European climate responses to NAO. The EA interference with the NAO signal is stronger in precipitation than in temperature and affects areas with strong responses to NAO such as Greenland and the western Mediterranean, which prevents simplistic relationships of natural proxies with NAO. The last three centuries uncover multidecadal periods dominated by specific NAO/EA states and substantial interannual-to-centennial variability in the North Atlantic jet stream, thus providing new evidence of the dynamics behind some outstanding periods. Transitions in the NAO/EA phase space have been recurrent and pin down long-lasting anomalies, such as the displacement of the North Atlantic action centers in the late twentieth century, besides some disagreements between NAO indices.


英文关键词Atmosphere Atmospheric circulation Jets North Atlantic Oscillation Climate variability Interdecadal variability
领域气候变化
收录类别SCI-E
WOS记录号WOS:000482950800006
WOS关键词ATMOSPHERIC CIRCULATION ; WINTER PRECIPITATION ; CLIMATE ; NAO ; RECONSTRUCTION ; TRENDS ; BACK ; TEMPERATURES ; INTERPLAY ; EXTREMES
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/187417
专题气候变化
作者单位1.Univ Lisbon, Fac Ciencias, Inst Dom Luiz, Lisbon, Portugal;
2.Univ Complutense Madrid, Fac Ciencias Fis, Dept Fis Tierra & Astrofis, Madrid, Spain;
3.Univ Complutense Madrid, Consejo Super Invest Cient, Inst Geociencias, Madrid, Spain;
4.CSIC, Inst Earth Sci Jaume Almera, Barcelona, Spain
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Mellado-Cano, Javier,Barriopedro, David,Garcia-Herrera, Ricardo,et al. Examining the North Atlantic Oscillation, East Atlantic Pattern, and Jet Variability since 1685[J]. JOURNAL OF CLIMATE,2019,32(19):6285-6298.
APA Mellado-Cano, Javier,Barriopedro, David,Garcia-Herrera, Ricardo,Trigo, Ricardo M.,&Hernandez, Armand.(2019).Examining the North Atlantic Oscillation, East Atlantic Pattern, and Jet Variability since 1685.JOURNAL OF CLIMATE,32(19),6285-6298.
MLA Mellado-Cano, Javier,et al."Examining the North Atlantic Oscillation, East Atlantic Pattern, and Jet Variability since 1685".JOURNAL OF CLIMATE 32.19(2019):6285-6298.
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