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DOI | 10.1007/s00382-018-4452-4 |
Interdecadal modulation of El Nino-tropical North Atlantic teleconnection by the Atlantic multi-decadal oscillation | |
Park, Jae-Heung1,2; Li, Tim1,2,3 | |
2019-05-01 | |
发表期刊 | CLIMATE DYNAMICS |
ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2019 |
卷号 | 52页码:5345-5360 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Peoples R China |
英文摘要 | It has been well documented that El Nino (La Nina) is able to induce sea surface temperature (SST) warming (cooling) in the tropical North Atlantic (TNA) in the following spring. Based on the observational analysis, in this study we found that such a lagged El Nino-TNA SST relationship is non-stationary and depends on the phase of Atlantic multi-decadal oscillation (AMO). During the AMO negative phase, the influence of El Nino on TNA-SST becomes intensified and lasts longer till the following summer to fall, and vice versa. We demonstrated that such a modulation is through atmospheric teleconnection change because El Nino during the AMO negative phase tends to have a stronger and eastward-shifting SST warming over the eastern Pacific and the SST warming persists longer throughout late spring. It is further shown that both extratropical and tropical teleconnections are important in causing the non-stationary El Nino effect according to the AMO phase. The extratropical teleconnection is through the Pacific-North America pattern, while the tropical teleconnection is via anomalous Walker circulation. The extratropical teleconnection acts primarily during winter to early spring, while the tropical teleconnection appears more important in spring. If AMO remains in its positive phase in the near future, a weak influence of El Nino on TNA-SST is expectedto ensue. |
英文关键词 | El Nino Tropical North Atlantic (TNA) Atlantic multi-decadal oscillation (AMO) |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000465441400016 |
WOS关键词 | SEA-SURFACE TEMPERATURE ; ENSO TELECONNECTION ; RECENT INCREASE ; PACIFIC ; VARIABILITY ; CIRCULATION ; WINTER ; SST |
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/182592 |
专题 | 气候变化 |
作者单位 | 1.Univ Hawaii Manoa, Sch Ocean & Earth Sci & Technol, Int Pacific Res Ctr, Honolulu, HI 96822 USA; 2.Univ Hawaii Manoa, Sch Ocean & Earth Sci & Technol, Dept Atmospher Sci, Honolulu, HI 96822 USA; 3.Nanjing Univ Informat Sci & Technol, Joint Int Res Lab Climate & Environm Change ILCEC, Key Lab Meteorol Disaster, Minist Educ KLME,CIC FEMD, Nanjing, Jiangsu, Peoples R China |
推荐引用方式 GB/T 7714 | Park, Jae-Heung,Li, Tim. Interdecadal modulation of El Nino-tropical North Atlantic teleconnection by the Atlantic multi-decadal oscillation[J]. CLIMATE DYNAMICS,2019,52:5345-5360. |
APA | Park, Jae-Heung,&Li, Tim.(2019).Interdecadal modulation of El Nino-tropical North Atlantic teleconnection by the Atlantic multi-decadal oscillation.CLIMATE DYNAMICS,52,5345-5360. |
MLA | Park, Jae-Heung,et al."Interdecadal modulation of El Nino-tropical North Atlantic teleconnection by the Atlantic multi-decadal oscillation".CLIMATE DYNAMICS 52(2019):5345-5360. |
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