Salinity effect-induced ENSO amplitude modulation in association with the interdecadal Pacific Oscillation
文献类型：期刊论文
| 作者 | Zhi, Hai6; Wang, Xiaokun6; Zhang, Rong-Hua4,5 ; Lin, Pengfei3; Qi, Jifeng1,2,4
|
| 刊名 | JOURNAL OF OCEANOLOGY AND LIMNOLOGY
 |
| 出版日期 | 2024-04-04 |
| 页码 | 18 |
| 关键词 | El Nino-Southern Oscillation (ENSO) amplitude Interdecadal Pacific Oscillation (IPO) ocean salinity variability tropical Pacific upper-ocean stratification |
| ISSN号 | 2096-5508 |
| DOI | 10.1007/s00343-023-3129-y |
| 通讯作者 | Zhang, Rong-Hua(rzhang@nuist.edu.cn) |
| 英文摘要 | A 110-year ensemble simulation of an ocean general circulation model (OGCM) was analyzed to identify the modulation of salinity interdecadal variability on El Nino-Southern Oscillation (ENSO) amplitude in the tropical Pacific during 1901-2010. The simulating results show that sea surface salinity (SSS) variation in the region exhibits notable and coherent interdecadal variability signal, which is closely associated with the Interdecadal Pacific Oscillation (IPO). As salinity increases or reduces, the SSS modulations on ENSO amplitude during its warm/cold events vary asymmetrically with positive/negative IPO phases. Physically, salinity interdecadal variability can enhance or reduce ENSO-related conditions in upper-ocean stratification, contributing noticeably to ENSO variability. Salinity anomalies associated with the mixed layer depth and barrier layer thickness can modulate ENSO amplitude during positive and negative IPO phases, resulting in the asymmetry of sea surface temperature (SST) anomaly in the tropical Pacific. During positive IPO phases, SSS interdecadal variability contributes positively to El Nino amplitude but negatively to La Nina amplitude by enhancing or reducing SSS interannual variability, and vice versa during negative IPO phases. Quantitatively, the results indicate that the modulation of the ENSO amplitude by the SSS interdecadal variability is -15%-28% during negative IPO phases and -30%-20% during positive IPO phases, respectively. Evidently, the SSS interdecadal variability associated with IPO and its modulation on ENSO amplitude in the tropical Pacific are among factors essentially contributing ENSO diversity. |
| WOS关键词 | FRESH-WATER FLUX ; EL-NINO ; TROPICAL PACIFIC ; DECADAL OSCILLATION ; BARRIER LAYER ; ATMOSPHERIC TELECONNECTIONS ; ASYMMETRIC MODULATION ; SOUTHERN-OSCILLATION ; FREQUENCY ASYMMETRY ; NORTH PACIFIC |
| 资助项目 | National Natural Science Foundation of China[42030410] ; Laoshan Laboratory[LSKJ202202403] ; Startup Foundation for Introducing Talent of NUIST |
| WOS研究方向 | Marine & Freshwater Biology ; Oceanography |
| 语种 | 英语 |
| WOS记录号 | WOS:001196409300003 |
| 出版者 | SCIENCE PRESS |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/185094]  |
| 专题 | 海洋研究所_海洋环流与波动重点实验室 |
| 通讯作者 | Zhang, Rong-Hua |
| 作者单位 | 1.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China 2.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China 3.Chinese Acad Sci, Inst Atmospher Phys IAP, State Key Lab Numer Modeling Atmospher Sci & Geoph, Beijing 100029, Peoples R China 4.Laoshan Lab, Qingdao 266237, Peoples R China 5.Nanjing Univ Informat Sci & Technol, Sch Marine Sci, Nanjing 210044, Peoples R China 6.Nanjing Univ Informat Sci & Technol, Coll Atmospher Sci, Nanjing 210044, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhi, Hai,Wang, Xiaokun,Zhang, Rong-Hua,et al. Salinity effect-induced ENSO amplitude modulation in association with the interdecadal Pacific Oscillation[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2024:18. |
| APA | Zhi, Hai,Wang, Xiaokun,Zhang, Rong-Hua,Lin, Pengfei,&Qi, Jifeng.(2024).Salinity effect-induced ENSO amplitude modulation in association with the interdecadal Pacific Oscillation.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,18. |
| MLA | Zhi, Hai,et al."Salinity effect-induced ENSO amplitude modulation in association with the interdecadal Pacific Oscillation".JOURNAL OF OCEANOLOGY AND LIMNOLOGY (2024):18. |
入库方式： OAI收割
来源：海洋研究所
浏览0
下载0
收藏0
其他版本
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。