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DOI | 10.1002/2016GL072298 |
Modulation of air-sea fluxes by extratropical planetary waves and its impact during the recent surface warming slowdown | |
Molteni, Franco1; Farneti, Riccardo2; Kucharski, Fred2; Stockdale, Timothy N.1 | |
2017-02-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:3 |
文章类型 | Article |
语种 | 英语 |
国家 | England; Italy |
英文摘要 | It is widely accepted that natural decadal variability played a major role in the slowdown in global warming observed in the 21st century, with sea surface cooling in the tropical Pacific recognized as a major contributor. However, the warming pause was most pronounced during boreal winter, with Northern Hemisphere flow anomalies also playing a role. Here we quantify the contribution of extratropical heat exchanges by comparing geopotential and temperature anomalies simulated by ensembles of seasonal forecasts with similar ocean temperature but different heat fluxes north of 40 degrees N, as a result of planetary wave variability. We show that an important part of heat flux anomalies is associated with decadal variations in the phase of a specific planetary wave pattern. In model simulations covering the last three decades, this variability pattern accounts for a decrease of 0.35 degrees C/decade in the post-1998 wintertime temperature trend over northern continents. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000396115000036 |
WOS关键词 | REANALYSIS ; PACIFIC ; HIATUS ; VARIABILITY ; CIRCULATION ; DRIVEN |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/27218 |
专题 | 气候变化 |
作者单位 | 1.European Ctr Medium Range Weather Forecasts, Reading, Berks, England; 2.Abdus Salam Int Ctr Theoret Phys, Trieste, Italy |
推荐引用方式 GB/T 7714 | Molteni, Franco,Farneti, Riccardo,Kucharski, Fred,et al. Modulation of air-sea fluxes by extratropical planetary waves and its impact during the recent surface warming slowdown[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(3). |
APA | Molteni, Franco,Farneti, Riccardo,Kucharski, Fred,&Stockdale, Timothy N..(2017).Modulation of air-sea fluxes by extratropical planetary waves and its impact during the recent surface warming slowdown.GEOPHYSICAL RESEARCH LETTERS,44(3). |
MLA | Molteni, Franco,et al."Modulation of air-sea fluxes by extratropical planetary waves and its impact during the recent surface warming slowdown".GEOPHYSICAL RESEARCH LETTERS 44.3(2017). |
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