IOCAS-IR  > 海洋环流与波动重点实验室
Decadal Variability of the Meridional Geostrophic Transport in the Upper Tropical North Pacific Ocean
Zhou, Hui1,2,3,4; Yuan, Dongliang1,2,3,4; Yang, Lina5; Li, Xiang1,2,3; Dewar, William6
2018-08-01
Source PublicationJOURNAL OF CLIMATE
ISSN0894-8755
Volume31Issue:15Pages:5891-5910
Corresponding AuthorYuan, Dongliang(dyuan@qdio.ac.cn)
AbstractThe meridional geostrophic transport (MGT) in the interior tropical North Pacific Ocean is estimated based on global ocean heat and salt content data. The decadal variations of the zonally and vertically integrated MGT in the tropical North Pacific Ocean are found to precede the Pacific decadal oscillation (PDO) by 1-3 years. The dynamics of the MGT are analyzed based on Sverdrup theory. It is found that the total meridional transport variability (MGT plus Ekman) is dominated by the MGT variability having positive correlations with the PDO index. The Sverdrup transports differ from the total meridional transport significantly and have insignificant correlations with PDO index, suggesting that the MGT variability is not controlled by the Sverdrup dynamics. In comparison, the simulated meridional transport variability in the models from phase 5 of the Coupled Model Intercomparison Project (CMIP5) and the Ocean General Circulation Model for the Earth Simulator are dominated by the Sverdrup transports, having insignificant correlations with the simulated PDO indices. The comparison suggests that the non-Sverdrup component in the MGT is important for the predictability of PDO and that significant deficiencies exist in these models in simulating a realistic structure of the tropical ocean gyre variability and predicting the decadal climate variations associated with it.
DOI10.1175/JCLI-D-17-0639.1
Indexed BySCI
Language英语
Funding ProjectNSFC[41376032] ; NSFC[41421005] ; NSFC[41720104008] ; CAS[XDA11010205] ; QMSNL[2016ASKJ12] ; QMSNL[2016ASKJ04] ; SOA[GASI-03-01-01-05] ; Shandong Provincial projects[2014GJJS0101] ; Shandong Provincial projects[U1606402] ; NSF[1434780] ; NSF[1537304]
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000438848800007
PublisherAMER METEOROLOGICAL SOC
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/163463
Collection海洋环流与波动重点实验室
Corresponding AuthorYuan, Dongliang
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
2.Chinese Acad Sci, Qingdao Natl Lab Marine Sci & Technol, Funct Lab Ocean Dynam & Climate, Qingdao, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Peoples R China
4.Univ Chinese Acad Sci, Beijing, Peoples R China
5.State Ocean Adm, Inst Oceanog 1, Qingdao, Peoples R China
6.Florida State Univ, Dept Ocean Atmosphere & Earth Sci, Tallahassee, FL 32306 USA
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
Recommended Citation
GB/T 7714
Zhou, Hui,Yuan, Dongliang,Yang, Lina,et al. Decadal Variability of the Meridional Geostrophic Transport in the Upper Tropical North Pacific Ocean[J]. JOURNAL OF CLIMATE,2018,31(15):5891-5910.
APA Zhou, Hui,Yuan, Dongliang,Yang, Lina,Li, Xiang,&Dewar, William.(2018).Decadal Variability of the Meridional Geostrophic Transport in the Upper Tropical North Pacific Ocean.JOURNAL OF CLIMATE,31(15),5891-5910.
MLA Zhou, Hui,et al."Decadal Variability of the Meridional Geostrophic Transport in the Upper Tropical North Pacific Ocean".JOURNAL OF CLIMATE 31.15(2018):5891-5910.
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