IDSSE OpenIR  > 深海科学研究部  > 海洋环流观测与数值模拟研究室
Formation of an anticyclonic eddy and the mechanism involved: a case study using cruise data from the northern South China Sea
Hou Huaqian1,2; Xie Qiang1,3; Xue Huijie1,4; Shu Yeqiang1,5; Nan Feng2; Yin Yuqi2; Yu Fei2
2019-09-01
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Volume37Issue:5Pages:1481-1494
Abstract

Data from satellite altimetry and in situ observations together with the Hybrid Coordinate Ocean Model (HYCOM) reanalysis data were used to investigate the mechanism and formation of an anticyclonic eddy in the northeastern South China Sea (SCS). Analysis of water mass using cruise data indicated that the water captured in the eddy differs from those in the SCS, the Kuroshio intrusion, and the eddy-forming region. Data from sea surface height (SSH) and sea level anomaly (SLA) indicate that the eddy formed due both to the Kuroshio intrusion and the local circulation in the SCS. The Kuroshio intrusion is present at the start of the eddy growth (March 5-9) before Kuroshio leaps the Luzon Strait. The eddy then becomes larger and stronger in the absence of the Kuroshio intrusion. From the eddy budget of the HYCOM reanalysis data, the formation of the eddy goes in three steps. By the third step, the eddy had become affected by variations of local SCS circulation, which is more strongly than in the first step in which it is affected more by the Kuroshio intrusion. The variability of the temperature and salinity inside the eddy provide a support to this conclusion. The water in the SCS intruded into the eddy from the southeast, which decrease the salinity gradually in the southern part of the eddy during the growth period.

KeywordAnticyclonic Eddy Kuroshio Intrusion Circulation Variation Water Mass
DOI10.1007/s00343-019-8275-x
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China ; Global Change and Air Sea Interaction Project ; Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences
Language英语
Funding ProjectNational Natural Science Foundation of China[U1406401] ; National Natural Science Foundation of China[41421005] ; Global Change and Air Sea Interaction Project[GASI-02-PAC-STMSspr] ; Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences[ISEE2018PY06]
WOS KeywordKuroshio ; Variability ; Eddies
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000484533400002
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Version预印本
Identifierhttp://ir.idsse.ac.cn/handle/183446/6968
Collection深海科学研究部_海洋环流观测与数值模拟研究室
Corresponding AuthorXie Qiang
Affiliation1.Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Wave Studies, Qingdao 266071, Shandong, Peoples R China
3.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya 572006, Peoples R China
4.Univ Maine, Sch Marine Sci, Orono, ME 04469 USA
5.Chinese Acad Sci, Innovat Acad South China Sea Ecol & Environm Engn, Guangzhou 510301, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Hou Huaqian,Xie Qiang,Xue Huijie,et al. Formation of an anticyclonic eddy and the mechanism involved: a case study using cruise data from the northern South China Sea[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2019,37(5):1481-1494.
APA Hou Huaqian.,Xie Qiang.,Xue Huijie.,Shu Yeqiang.,Nan Feng.,...&Yu Fei.(2019).Formation of an anticyclonic eddy and the mechanism involved: a case study using cruise data from the northern South China Sea.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,37(5),1481-1494.
MLA Hou Huaqian,et al."Formation of an anticyclonic eddy and the mechanism involved: a case study using cruise data from the northern South China Sea".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 37.5(2019):1481-1494.
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