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Composite eddy structures on both sides of the Luzon Strait and influence factors
Zhang, Wen-Zhou; Ni, Qinbiao; Xue, Huijie3,4
2018
Source PublicationOCEAN DYNAMICS
ISSN1616-7341
Volume68Issue:11Pages:1527
AbstractCombining Argo observations with satellite remote sensing data during the period of 2002-2014, the mean three-dimensional structures of mesoscale eddies on both sides of the Luzon Strait (LS) were obtained via a composite method and analyzed to statistically examine the influences of background marine environment and the Kuroshio current on the eddy structures. The significant signals of temperature and salinity anomalies within the composite eddies extend much deeper in the region east of the LS (zone E) than those in the region west of the strait (zone W) because of stronger eddy intensity and larger vertical gradients of background temperature and salinity in the deep layer in zone E. In the vertical structure of temperature anomaly within the eddies, two cores occur at around 200 and 400dbar depths, respectively, in zone E and only one core is centered at about 100dbar in zone W. There is a clear three-core sandwich pattern in the vertical structure of salinity anomaly within the eddies in zone E. The Kuroshio water trapped in the eddy is responsible for abnormally positive salinity anomaly in the surface layer of the anticyclonic eddy center in zone W. On both sides of the LS, an asymmetric dipole structure in the surface layer gradually turns into a monopole one at depths, which resulted from the competition between horizontal advection effect and eddy pumping effect. The Kuroshio current influences the distribution patterns of isotherms and isohalines and enhances background temperature and salinity horizontal gradients on both sides of the LS, determining the orientations of dipole temperature and salinity structures within eddies.
DepartmentLTO
KeywordMesoscale eddy Composite structure Kuroshio current Luzon Strait
DOI10.1007/s10236-018-1207-z
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/17560
Collection热带海洋环境国家重点实验室(LTO)
Affiliation1.Xiamen Univ, Fujian Prov Key Lab Coastal Ecol & Environm Studi, Xiamen, Peoples R China
2.SOA, Inst Oceanog 2, State Key Lab Satellite Ocean Environm Dynam, Hangzhou, Zhejiang, Peoples R China
3.Xiamen Univ, Coll Ocean & Earth Sci, Dept Phys Oceanog, Xiamen 361005, Fujian, Peoples R China
4.Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China
5.Univ Maine, Sch Marine Sci, Orono, ME USA
Recommended Citation
GB/T 7714
Zhang, Wen-Zhou,Ni, Qinbiao,Xue, Huijie. Composite eddy structures on both sides of the Luzon Strait and influence factors[J]. OCEAN DYNAMICS,2018,68(11):1527, 1541.
APA Zhang, Wen-Zhou,Ni, Qinbiao,&Xue, Huijie.(2018).Composite eddy structures on both sides of the Luzon Strait and influence factors.OCEAN DYNAMICS,68(11),1527.
MLA Zhang, Wen-Zhou,et al."Composite eddy structures on both sides of the Luzon Strait and influence factors".OCEAN DYNAMICS 68.11(2018):1527.
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