IOCAS-IR  > 海洋环流与波动重点实验室
Interannual variability and dynamics of intraseasonal wind rectification in the equatorial Pacific Ocean
Zhao, Xia1,2,3; Yuan, Dongliang1,2,3,6; Yang, Guang4,5; Wang, Jing1,2,3; Liu, Hailong7; Zhang, Renhe8; Han, Weiqing9
2019-04-01
Source PublicationCLIMATE DYNAMICS
ISSN0930-7575
Volume52Issue:7-8Pages:4351-4369
Corresponding AuthorYuan, Dongliang(dyuan@qdio.ac.cn)
AbstractThe rectification of intraseasonal wind forcing on interannual sea surface temperature anomalies (SSTA) and sea level anomalies (SLA) associated with El Nino-Southern Oscillation (ENSO) during 1993-2016 are investigated using the LICOM ocean general circulation model forced with daily winds. The comparisons of the experiments with and without the intraseasonal wind forcing have shown that the rectified interannual SSTA and SLA by the intraseasonal winds are much weaker than the total interannual SSTA and SLA in the cold tongue, due to the much weaker rectified than the total interannual Kelvin and Rossby waves in the equatorial Pacific Ocean. The dynamics of the rectification are through the nonlinear zonal and vertical advection by the background currents, which produces downwelling equatorial Kelvin waves during El Nino. The meridional advection is much smaller than the zonal and vertical advection, suggesting that the rectification is not induced by the Ekman dynamics or the thermocline rectification. The rectified interannual Kelvin waves are found to be much smaller than reflected at the Pacific western boundary and those forced by the interannual winds, suggesting that the latter two play a much more important role in ENSO dynamics than the intraseasonal winds. The results of this study suggest an unlikely significant role of oceanic nonlinear rectification by intraseasonal winds during the onset and cycling of El Nino.
KeywordIntraseasonal rectification Interannual variability ENSO Kelvin and Rossby waves Nonlinear oceanic dynamics
DOI10.1007/s00382-018-4383-0
Indexed BySCI
Language英语
Funding ProjectNSFC[41421005] ; NSFC[41375094] ; NSFC[41406028] ; NSFC[41720104008] ; NSFC[41776011] ; QMSNL[2016ASKJ12] ; CAS[XDA11010102] ; CAS[XDA11010205] ; Shandong Provincial projects[U1406401]
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000467187600031
PublisherSPRINGER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/161350
Collection海洋环流与波动重点实验室
Corresponding AuthorYuan, Dongliang
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Ocean Circulat & Waves, Qingdao, Shandong, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao, Shandong, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Shandong, Peoples R China
4.State Ocean Adm, Inst Oceanog 1, Ctr Ocean & Climate Res, Qingdao, Shandong, Peoples R China
5.Qingdao Natl Lab Marine Sci & Technol, Lab Reg Oceanog & Numer Modeling, Qingdao, Shandong, Peoples R China
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
7.Chinese Acad Sci, Inst Atmospher Phys, Natl Key Lab Numer Modeling Atmospher Sci & Geoph, Beijing, Peoples R China
8.Fudan Univ, Inst Atmospher Sci, Shanghai, Peoples R China
9.Univ Colorado, Dept Atmospher & Ocean Sci, Boulder, CO 80309 USA
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhao, Xia,Yuan, Dongliang,Yang, Guang,et al. Interannual variability and dynamics of intraseasonal wind rectification in the equatorial Pacific Ocean[J]. CLIMATE DYNAMICS,2019,52(7-8):4351-4369.
APA Zhao, Xia.,Yuan, Dongliang.,Yang, Guang.,Wang, Jing.,Liu, Hailong.,...&Han, Weiqing.(2019).Interannual variability and dynamics of intraseasonal wind rectification in the equatorial Pacific Ocean.CLIMATE DYNAMICS,52(7-8),4351-4369.
MLA Zhao, Xia,et al."Interannual variability and dynamics of intraseasonal wind rectification in the equatorial Pacific Ocean".CLIMATE DYNAMICS 52.7-8(2019):4351-4369.
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