Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1175/JCLI-D-17-0061.1 |
A Multivariate Estimate of the Cold Season Atmospheric Response to North Pacific SST Variability | |
Revelard, Adele1; Frankignoul, Claude1; Kwon, Young-Oh2 | |
2018-04-01 | |
发表期刊 | JOURNAL OF CLIMATE |
ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2018 |
卷号 | 31期号:7页码:2771-2796 |
文章类型 | Article |
语种 | 英语 |
国家 | France; USA |
英文摘要 | The Generalized Equilibrium Feedback Analysis (GEFA) is used to distinguish the influence of the Oyashio Extension (OE) and the Kuroshio Extension (KE) variability on the atmosphere from 1979 to 2014 from that of the main SST variability modes, using seasonal mean anomalies. Remote SST anomalies are associated with each single oceanic regressor, but the multivariate approach efficiently confines their SST footprints. In autumn [October-December (OND)], the OE meridional shifts are followed by a North Pacific Oscillation (NPO)-like signal. The OE influence is not investigated in winter [December-February (DJF)] because of multicollinearity, but a robust response with a strong signal over the Bering Sea is found in late winter/early spring [February-April (FMA)], a northeastward strengthening of the Aleutian low following a northward OE shift. A robust response to the KE variability is found in autumn, but not in winter and late winter when the KE SST footprint becomes increasingly small and noisy as regressors are added in GEFA. In autumn, a positivePDOis followed by a northward strengthening of the Aleutian low and a southward shift of the storm track in the central Pacific, reflecting the surface heat flux footprint in the central Pacific. In winter, the PDO shifts the maximum baroclinicity and storm track southward, the response strongly tilts westward with height in the North Pacific, and there is a negative NAO-like teleconnection. In late winter, the North Pacific NPO-like response to the PDO interferes negatively with the response to the OE and is only detected when the OE is represented in GEFA. A different PDO influence on the atmospheric circulation is found from 1958 to 1977. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000429456500013 |
WOS关键词 | SURFACE TEMPERATURE ANOMALIES ; ERA-INTERIM REANALYSIS ; KUROSHIO EXTENSION ; DECADAL VARIABILITY ; STORM TRACKS ; GULF-STREAM ; GLOBAL OCEANS ; COUPLED MODEL ; INDIAN-OCEAN ; ATLANTIC 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/20161 |
专题 | 气候变化 |
作者单位 | 1.Sorbonne Univ, LOCEAN IPSL, Paris, France; 2.Woods Hole Oceanog Inst, Woods Hole, MA 02543 USA |
推荐引用方式 GB/T 7714 | Revelard, Adele,Frankignoul, Claude,Kwon, Young-Oh. A Multivariate Estimate of the Cold Season Atmospheric Response to North Pacific SST Variability[J]. JOURNAL OF CLIMATE,2018,31(7):2771-2796. |
APA | Revelard, Adele,Frankignoul, Claude,&Kwon, Young-Oh.(2018).A Multivariate Estimate of the Cold Season Atmospheric Response to North Pacific SST Variability.JOURNAL OF CLIMATE,31(7),2771-2796. |
MLA | Revelard, Adele,et al."A Multivariate Estimate of the Cold Season Atmospheric Response to North Pacific SST Variability".JOURNAL OF CLIMATE 31.7(2018):2771-2796. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论