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DOI | 10.1029/2019GL086248 |
"Warm Arctic-Cold Siberia" as an Internal Mode Instigated by North Atlantic Warming | |
Jin, Chunhan1,2; Wang, Bin3,4,5; Yang, Young-Min5; Liu, Jian1,2,6 | |
2020-05-16 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2020 |
卷号 | 47期号:9 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; USA |
英文摘要 | Eurasia has experienced more frequent bitter winters over the past two decades, which concurred with a prominent "Warm Arctic-Cold Siberia" (WACS) pattern that is unexpected from global warming. Here we show, by analysis of 117-year observations and climate model's millennial simulations, that the WACS is an internal mode of winter temperature variability, which cannot be excited by greenhouse gases and solar forcing. Observational and simulated results suggest that frequent occurrences of that WACS pattern are instigated by warm phases of Atlantic Multidecadal Oscillation (AMO). North Atlantic warming may activate the WACS by generating a background Atlantic-Eurasian wave train characterized by enhanced Ural Mountain ridge and East Asian trough, which is conducive to recurrent WACS pattern. The wave train-induced the Barents Sea ice melting can act as an amplifier, reinforcing the WACS. Although increased greenhouse gases favor a uniform warming pattern, they may contribute to WACS formation by affecting AMO. |
英文关键词 | "Warm Arctic-Cold Siberia" pattern AMO multi-decadal variations internal mode of variability Asian winter monsoon greenhouse gases forcing |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000536639500004 |
WOS关键词 | SEA-ICE ; WINTERS ; NUMBER ; IMPACT |
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/279921 |
专题 | 气候变化 |
作者单位 | 1.Nanjing Normal Univ, Sch Geog Sci, State Key Lab Cultivat Base Geog Environm Evolut, Key Lab Virtual Geog Environm,Minist Educ, Nanjing, Peoples R China; 2.Nanjing Normal Univ, Jiangsu Ctr Collaborat Innovat Geog Informat Reso, Sch Geog Sci, Nanjing, Peoples R China; 3.Univ Hawaii Manoa, Dept Atmospher Sci, Honolulu, HI 96822 USA; 4.Univ Hawaii Manoa, Int Pacific Res Ctr, Sch Ocean & Earth Sci & Technol, Honolulu, HI 96822 USA; 5.Nanjing Univ Informat Sci & Technol, Earth Syst Modeling Ctr, Nanjing, Peoples R China; 6.Nanjing Normal Univ, Sch Math Sci, Jiangsu Prov Key Lab Numer Simulat Large Scale Co, Nanjing, Peoples R China |
推荐引用方式 GB/T 7714 | Jin, Chunhan,Wang, Bin,Yang, Young-Min,et al. "Warm Arctic-Cold Siberia" as an Internal Mode Instigated by North Atlantic Warming[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(9). |
APA | Jin, Chunhan,Wang, Bin,Yang, Young-Min,&Liu, Jian.(2020)."Warm Arctic-Cold Siberia" as an Internal Mode Instigated by North Atlantic Warming.GEOPHYSICAL RESEARCH LETTERS,47(9). |
MLA | Jin, Chunhan,et al.""Warm Arctic-Cold Siberia" as an Internal Mode Instigated by North Atlantic Warming".GEOPHYSICAL RESEARCH LETTERS 47.9(2020). |
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