Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1175/JCLI-D-16-0370.1 |
Interannual Variability in the North Atlantic Ocean's Temperature Field and Its Association with the Wind Stress Forcing | |
Groth, Andreas1; Feliks, Yizhak3; Kondrashov, Dmitri; Ghil, Michael4,5,6 | |
2017-04-01 | |
发表期刊 | JOURNAL OF CLIMATE
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ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2017 |
卷号 | 30期号:7 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Israel; France |
英文摘要 | Spectral analyses of the North Atlantic temperature field in the Simple Ocean Data Analysis (SODA) re-analysis identify prominent and statistically significant interannual oscillations along the Gulf Stream front and in large regions of the North Atlantic. A 7-8-yr oscillatory mode is characterized by a basinwide southwest-to-northeast-oriented propagation pattern in the sea surface temperature (SST) field. This pattern is found to be linked to a seesaw in the meridional dipole structure of the zonal wind stress forcing (TAUX). In the subpolar gyre, the SST and TAUX fields of this mode are shown to be in phase opposition, which suggests a cooling effect of the wind stress on the upper ocean layer. Over all, this mode's temperature field is characterized by a strong equivalent-barotropic component, as shown by covariations in SSTs and sea surface heights, and by phase-coherent behavior of temperature layers at depth with the SST field. Recent improvements of multivariate singular spectrum analysis (M-SSA) help separate spatiotemporal patterns. This methodology is developed further and applied to studying the ocean's response to variability in the atmospheric forcing. Statistical evidence is shown to exist for other mechanisms generating oceanic variability of similar 7-8-yr periodicity in the Gulf Stream region; the latter variability is likewise characterized by a strongly equivalent-barotropic component. Two other modes of biennial variability in the Gulf Stream region are also identified, and it is shown that interannual variability in this region cannot be explained by the ocean's response to similar variability in the atmospheric forcing alone. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000399678400021 |
WOS关键词 | LOW-FREQUENCY VARIABILITY ; SEA-SURFACE TEMPERATURE ; SINGULAR SPECTRUM ANALYSIS ; STOCHASTIC CLIMATE MODELS ; SHALLOW-WATER MODEL ; SST FRONT ; INTERDECADAL VARIABILITY ; ATMOSPHERIC CIRCULATION ; MULTIVARIATE DATASETS ; DECADAL VARIATIONS |
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/19850 |
专题 | 气候变化 |
作者单位 | 1.Univ Calif Los Angeles, Dept Atmospher & Ocean Sci, Los Angeles, CA 90095 USA; 2.Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA 90024 USA; 3.Israel Inst Biol Res, Dept Math, Ness Ziona, Israel; 4.Ecole Normale Super, Geosci Dept, Paris, France; 5.Ecole Normale Super, Lab Meteorol Dynam, CNRS, Paris, France; 6.Ecole Normale Super, Lab Meteorol Dynam, IPSL, Paris, France |
推荐引用方式 GB/T 7714 | Groth, Andreas,Feliks, Yizhak,Kondrashov, Dmitri,et al. Interannual Variability in the North Atlantic Ocean's Temperature Field and Its Association with the Wind Stress Forcing[J]. JOURNAL OF CLIMATE,2017,30(7). |
APA | Groth, Andreas,Feliks, Yizhak,Kondrashov, Dmitri,&Ghil, Michael.(2017).Interannual Variability in the North Atlantic Ocean's Temperature Field and Its Association with the Wind Stress Forcing.JOURNAL OF CLIMATE,30(7). |
MLA | Groth, Andreas,et al."Interannual Variability in the North Atlantic Ocean's Temperature Field and Its Association with the Wind Stress Forcing".JOURNAL OF CLIMATE 30.7(2017). |
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