globalchange  > 全球变化的国际研究计划
DOI: 10.1002/joc.5779
Scopus ID: 2-s2.0-85053397264
Influences of the North Atlantic Oscillation on extreme temperature during the cold period in China
Author: Liu X.; Xu Z.; Peng D.; Wu G.
Source Publication: International Journal of Climatology
ISSN: 8998418
Publishing Year: 2019
Volume: 39, Issue:1
pages begin: 43
pages end: 49
Language: 英语
Keyword: China ; extreme temperature ; NAO ; Rossby wave ; upstream effect ; west wind
Scopus Keyword: Atmospheric pressure ; Atmospheric circulation factor ; China ; Correlation analysis ; Extreme temperatures ; North Atlantic oscillations ; Rossby wave ; Temperature extremes ; upstream effect ; Mechanical waves ; atmospheric circulation ; climate change ; correlation ; decadal variation ; extreme event ; North Atlantic Oscillation ; Rossby wave ; temperature anomaly ; China
English Abstract: Extreme climate shifts were frequently recognized over the Eurasia land, and the atmospheric anomalies have been widely deemed as one of the potential causes for the shifts. In this study, the North Atlantic Oscillation (NAO) was initially assumed as the primary factor leading to changes in temperature extremes in China during the cold period. Then, influencing modes and mechanisms of the NAO on cold period extreme temperatures were both explored with a time lag estimation and a correlation analysis using a stream function and a zonal index. The results indicated that decadal variations in the NAO were the main cause for changes in wintertime extreme temperatures, especially after the turning point in the late 1990s, when the phase changed from positive to negative and extreme temperatures occurred with a significantly increasing tendency. Rossby waves derived from the west wind near the Mediterranean were also responsible for this phenomenon, and the “upstream effect” and group winds were potential pathways for Rossby wave train functions. These results could be a reference for influence and mechanism exploration between extreme climate and atmospheric circulation factors and could provide a new way of thinking for similar studies in the future. © 2018 Royal Meteorological Society
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被引频次[WOS]:3   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Appears in Collections:全球变化的国际研究计划

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Affiliation: College of Water Sciences, Beijing Normal University, Beijing, China; Beijing Key Laboratory of Urban Hydrological Cycle and Sponge City Technology, Beijing, China; College of Global Change and Earth System Science, Beijing Normal University, Beijing, China

Recommended Citation:
Liu X.,Xu Z.,Peng D.,et al. Influences of the North Atlantic Oscillation on extreme temperature during the cold period in China[J]. International Journal of Climatology,2019-01-01,39(1)
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