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DOI | 10.1002/joc.5373 |
Responses and mechanisms of East Asian winter and summer monsoons to weakened Atlantic meridional overturning circulation using the FGOALS-g2 model | |
Yu, Tianlei1; Cheng, Jun1; Lin, Pengfei2,3; Yu, Yongqiang2,3; Guo, Pinwen1 | |
2018-04-01 | |
发表期刊 | INTERNATIONAL JOURNAL OF CLIMATOLOGY
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ISSN | 0899-8418 |
EISSN | 1097-0088 |
出版年 | 2018 |
卷号 | 38期号:5页码:2618-2626 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | This study investigates the responses and mechanisms of East Asian winter monsoon (EAWM) and East Asian summer monsoon (EASM) to weakened Atlantic meridional overturning circulation (AMOC) through three perturbation experiments with different intensities of freshwater hosing in the North Atlantic, using the Flexible Global Ocean -Atmosphere - Land System Model, Grid-point Version 2. These experiments show that a subtle weakening of AMOC does not significantly influence either the EAWM or the EASM. When AMOC weakens more substantially, northerly wind anomalies emerge in East Asia throughout the year, strengthening the EAWM and weakening the EASM. The northerly wind anomalies result from an anomalous westward sea level pressure (SLP) gradient, namely positive SLP anomalies across Eurasia and negative anomalies in the western North Pacific (WNP). In winter, negative WNP SLP anomalies are found in mid-high latitudes. They are caused by anomalous stationary wave activity, which is associated with the Aleutian Iceland seesaw teleconnection. In summer, negative WNP SLP anomalies are present in the subtropics, and are linked with an anomalous cyclonic circulation over the north of the Philippian Sea. This cyclonic circulation anomaly is induced by the anomalous warm water in the subsurface of the South China Sea and Philippian Sea through the Gill mechanism. |
英文关键词 | Atlantic meridional overturning circulation freshwater hosing experiment East Asian monsoon FGOALS-g2 |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000428880600036 |
WOS关键词 | COUPLED CLIMATE MODELS ; THERMOHALINE CIRCULATION ; TROPICAL ATLANTIC ; VARIABILITY ; PACIFIC ; SIMULATIONS ; ATMOSPHERE ; ANOMALIES ; AMERICAN ; COLLAPSE |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
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/37470 |
专题 | 气候变化 |
作者单位 | 1.Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Key Lab Meteorol Disaster, Minist Educ,Climate Dynam Res Ctr, Nanjing, Jiangsu, Peoples R China; 2.Univ Chinese Acad Sci, Coll Earth Sci, Beijing, Peoples R China; 3.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Yu, Tianlei,Cheng, Jun,Lin, Pengfei,et al. Responses and mechanisms of East Asian winter and summer monsoons to weakened Atlantic meridional overturning circulation using the FGOALS-g2 model[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2018,38(5):2618-2626. |
APA | Yu, Tianlei,Cheng, Jun,Lin, Pengfei,Yu, Yongqiang,&Guo, Pinwen.(2018).Responses and mechanisms of East Asian winter and summer monsoons to weakened Atlantic meridional overturning circulation using the FGOALS-g2 model.INTERNATIONAL JOURNAL OF CLIMATOLOGY,38(5),2618-2626. |
MLA | Yu, Tianlei,et al."Responses and mechanisms of East Asian winter and summer monsoons to weakened Atlantic meridional overturning circulation using the FGOALS-g2 model".INTERNATIONAL JOURNAL OF CLIMATOLOGY 38.5(2018):2618-2626. |
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