IOCAS-IR  > 海洋环流与波动重点实验室
Decadal and Long-Term Variability of Sea Level in the Southwestern Pacific During 1948-2018
Sun, Jingxuan1,2,3; Zhang, Linlin1,2,3,4; Hu, Dunxin1,2,4
2022-06-16
Source PublicationGEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
Volume49Issue:11Pages:10
Corresponding AuthorZhang, Linlin(zhanglinlin@qdio.ac.cn)
AbstractDecadal and long-term variability of sea level in the Southwestern Pacific (SWP) was investigated by using tide gauge measurements obtained near New Zealand during 1948-2018 and a 1.5-layer reduced gravity model. After the removal of the global mean sea level, there still exists a prominent positive trend and strong decadal oscillations in SWP sea level, which are attributed to the Southern Annular Mode (SAM) and Interdecadal Pacific Oscillation (IPO), respectively. On the long-term time scale, the intensification of local wind stress curl associated with strengthening SAM contributes to SWP sea level rise (SLR) through Ekman convergence. On the decadal scale, locally generated and westward propagating signals induced by IPO exert comparable influences on sea level variations in the SWP. Results from multivariable linear regression suggest that SAM can account for almost all the long-term SLR, and IPO explains approximately 58% of the decadal variability.
Keywordsea level Southwestern Pacific long-term and decadal variability SAM IPO
DOI10.1029/2022GL098747
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2020YFA0608801] ; National Key Research and Development Program of China[2017YFA0603202] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB42010105] ; National Natural Science Foundation of China[42122041] ; National Natural Science Foundation of China[41776021] ; Youth Innovation Promotion Association (CAS) ; TS Scholar Program
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000810496000001
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/179555
Collection海洋环流与波动重点实验室
Corresponding AuthorZhang, Linlin
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Peoples R China
First Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Sun, Jingxuan,Zhang, Linlin,Hu, Dunxin. Decadal and Long-Term Variability of Sea Level in the Southwestern Pacific During 1948-2018[J]. GEOPHYSICAL RESEARCH LETTERS,2022,49(11):10.
APA Sun, Jingxuan,Zhang, Linlin,&Hu, Dunxin.(2022).Decadal and Long-Term Variability of Sea Level in the Southwestern Pacific During 1948-2018.GEOPHYSICAL RESEARCH LETTERS,49(11),10.
MLA Sun, Jingxuan,et al."Decadal and Long-Term Variability of Sea Level in the Southwestern Pacific During 1948-2018".GEOPHYSICAL RESEARCH LETTERS 49.11(2022):10.
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