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See-Saw Variability in Subduction Rates of the South Pacific Subtropical Mode Water and Its Long-Term Change

文献类型：期刊论文

作者Sun, Guimin1,3,4,5; Qi, Jifeng1,3,4,5; Qu, Tangdong2; Li, Yuanlong1,3,4,5; Yin, Baoshu1,3,4,5
刊名GEOPHYSICAL RESEARCH LETTERS
出版日期2025-12-05
卷号52期号:23页码:11
关键词subduction rate subtropical mode water ENSO South Pacific subtropical high see-saw
ISSN号0094-8276
DOI10.1029/2025GL118060
通讯作者Qi, Jifeng(jfqi@qdio.ac.cn)
英文摘要Subduction of water masses is crucial for thermocline ventilation and climate variability. Using four ocean reanalysis products, we identify a significant interannual see-saw variability in subduction rates of the South Pacific western and eastern Subtropical Mode Water (SPWSTMW and SPESTMW), which is primarily driven by changes in the mixed layer depth (MLD). Composite analysis demonstrates that the El Ni & ntilde;o-Southern Oscillation induced winds are largely responsible for variations in latent heat flux, which alter MLD and modulate the subduction rates. In addition, a west-strong/east-weak subduction rate pattern in 1963-1978 and a west-weak/east-strong subduction rate pattern in 1998-2011 are observed. This long-term shift can be attributed to shoaling MLD in the SPWSTMW formation region and intensifying wind stress curl in the SPESTMW formation region, both of which are associated with the intensification and southward extension of the subtropical high.
WOS关键词NORTH-PACIFIC ; INTERANNUAL VARIABILITY ; DECADAL VARIABILITY ; TROPICAL WATER ; EL-NINO ; OCEAN ; LAYER
资助项目National Natural Science Foundation of China[42176010] ; National Natural Science Foundation of China[42476024] ; National Key Research and Development Program of China[2022YFF0801400]
WOS研究方向Geology
语种英语
WOS记录号WOS:001631195400001
出版者AMER GEOPHYSICAL UNION
源URL[http://ir.qdio.ac.cn/handle/337002/204357]  
专题海洋研究所_海洋环流与波动重点实验室
通讯作者Qi, Jifeng
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
2.Univ Calif Los Angeles, Joint Inst Reg Earth Syst Sci & Engn, Los Angeles, CA USA
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Qingdao Marine Sci & Technol Ctr, Lab Ocean Dynam & Climate, Qingdao, Peoples R China
5.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Observat & Forecasting, Qingdao, Peoples R China
推荐引用方式
GB/T 7714		 Sun, Guimin,Qi, Jifeng,Qu, Tangdong,et al. See-Saw Variability in Subduction Rates of the South Pacific Subtropical Mode Water and Its Long-Term Change[J]. GEOPHYSICAL RESEARCH LETTERS,2025,52(23):11.
APA Sun, Guimin,Qi, Jifeng,Qu, Tangdong,Li, Yuanlong,&Yin, Baoshu.(2025).See-Saw Variability in Subduction Rates of the South Pacific Subtropical Mode Water and Its Long-Term Change.GEOPHYSICAL RESEARCH LETTERS,52(23),11.
MLA Sun, Guimin,et al."See-Saw Variability in Subduction Rates of the South Pacific Subtropical Mode Water and Its Long-Term Change".GEOPHYSICAL RESEARCH LETTERS 52.23(2025):11.

入库方式： OAI收割

来源：海洋研究所

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