IOCAS-IR  > 海洋环流与波动重点实验室
Automatic detection of oceanic mesoscale eddies in the South China Sea
Xia Qiong1,2,3; Shen Hui1
2015-09-01
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
Volume33Issue:5Pages:1334-1348
SubtypeArticle
AbstractThis study focuses on the spatial and temporal distribution characteristics of mesoscale eddies in the South China Sea (SCS). An automatic eddy detection method, based on the geometry of velocity vectors, was adopted to obtain an eddy dataset from 21 years of satellite altimeter data. Analysis revealed that the number of anticyclonic eddies was nearly equal to cyclonic eddies; in the SCS, cyclonic eddies are generally stronger than anticyclonic eddies and anticyclonic eddies are larger and longer-lived than cyclonic eddies. Anticyclonic eddies tend to survive longer in the spring and summer, while cyclonic eddies have longer lifetimes in the autumn and winter. The characteristics and seasonal variations of eddies in the SCS are strongly related to variations in general ocean circulation, in the homogeneity of surface wind stress, and in the unevenness of bottom topography in the SCS. The spatial and temporal variation of mesoscale eddies in the SCS could, therefore, be an important index for understanding local hydrodynamics and regional climate change.
KeywordSouth China Sea Mesoscale Eddies Eddy Detection Altimeter Statistics
DOI10.1007/s00343-015-4354-9
Indexed BySCI
Language英语
WOS IDWOS:000360846900023
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/50643
Collection海洋环流与波动重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Nanjing Univ Informat Sci & Technol, Sch Marine Sci, Nanjing 210044, Jiangsu, Peoples R China
First Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Xia Qiong,Shen Hui. Automatic detection of oceanic mesoscale eddies in the South China Sea[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2015,33(5):1334-1348.
APA Xia Qiong,&Shen Hui.(2015).Automatic detection of oceanic mesoscale eddies in the South China Sea.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,33(5),1334-1348.
MLA Xia Qiong,et al."Automatic detection of oceanic mesoscale eddies in the South China Sea".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 33.5(2015):1334-1348.
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