Interdecadal change in the relationship between El Ni?o-Southern Oscillation and Pacific interior subtropical-tropical cells
文献类型：期刊论文
| 作者 | Han, Xue2,3; Feng, Junqiao1,2,3; Wang, Fujun1,2,3; Wang, Qingye1,2,3; Hu, Dunxin1,2,3 |
| 刊名 | JOURNAL OF OCEANOLOGY AND LIMNOLOGY
 |
| 出版日期 | 2025-05-22 |
| 页码 | 16 |
| 关键词 | interior subtropical-tropical cells (STCs) interdecadal change El Ni & ntilde Atlantic Multidecadal Oscillation (AMO) o-Southern Oscillation (ENSO) |
| ISSN号 | 2096-5508 |
| DOI | 10.1007/s00343-025-4108-2 |
| 通讯作者 | Feng, Junqiao(fengjunqiao@qdio.ac.cn) |
| 英文摘要 | We used the ocean reanalysis dataset SODA2.2.4 to investigate the relationship between the interior branch of subtropical-tropical cells (STCs) in the Pacific Ocean and El Ni & ntilde;o-Southern Oscillation (ENSO) over interdecadal timescales between 1930 and 2010, as well as the possible mechanisms involved. Interior transport within the upper pycnocline layers of STCs (InSTC) along 9 degrees S (InSTC9s) shows a significant correlation of -0.54 with ENSO over the study period. However, there is an interdecadal shift in the relationship between InSTC along 9 degrees N (InSTC9n) and ENSO. The correlation coefficient between InSTC9n and ENSO is not statistically significant between 1930 and 1965 (PD1), but is as high as 0.68 (significant at the 95% confidence level) between 1965 and 2010 (PD2). Composite and regression analysis suggests that this shift may be caused by the relationship between InSTC9n and the tropical wind field. During PD1, InSTC9n was driven primarily by the local wind field outside equatorial region, with a relatively weak response to the equatorial wind related to ENSO. In contrast, during PD2, the wind field associated with InSTC9n showed a similar spatial distribution to that of ENSO within the equatorial region, indicating a close relationship between InSTC9n and ENSO. The wind stress curl associated with ENSO drives the anomalous InSTC9n in off-equatorial regions, whose signal can propagate westward in the form of Rossby wave and modulate the thermal structure of the tropical Pacific, favoring the development of ENSO. The possible connection between the Atlantic Multidecadal Oscillation (AMO) and interdecadal changes in the ENSO-InSTC9n relationship was also examined. There is a significant connection between the AMO and the interdecadal change in the relationship between ENSO and InSTC9n; however, the associated mechanism remains to be explored in future studies. |
| WOS关键词 | MERIDIONAL OVERTURNING CIRCULATION ; DECADAL VARIABILITY ; TEMPERATURE ANOMALIES ; OCEAN ; ENSO |
| 资助项目 | National Natural Science Foundation of China[41976027] ; Laoshan Laboratory[LSKJ202201601] |
| WOS研究方向 | Marine & Freshwater Biology ; Oceanography |
| 语种 | 英语 |
| WOS记录号 | WOS:001507067600001 |
| 出版者 | SCIENCE PRESS |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/202352]  |
| 专题 | 海洋研究所_海洋环流与波动重点实验室 |
| 通讯作者 | Feng, Junqiao |
| 作者单位 | 1.Laoshan Lab, Qingdao 266237, Peoples R China 2.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Observat & Forecasting, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Han, Xue,Feng, Junqiao,Wang, Fujun,et al. Interdecadal change in the relationship between El Ni?o-Southern Oscillation and Pacific interior subtropical-tropical cells[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2025:16. |
| APA | Han, Xue,Feng, Junqiao,Wang, Fujun,Wang, Qingye,&Hu, Dunxin.(2025).Interdecadal change in the relationship between El Ni?o-Southern Oscillation and Pacific interior subtropical-tropical cells.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,16. |
| MLA | Han, Xue,et al."Interdecadal change in the relationship between El Ni?o-Southern Oscillation and Pacific interior subtropical-tropical cells".JOURNAL OF OCEANOLOGY AND LIMNOLOGY (2025):16. |
入库方式： OAI收割
来源：海洋研究所
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