IOCAS-IR  > 海洋环流与波动重点实验室
Eddy properties in the Pacific sector of the Southern Ocean from satellite altimetry data
Duan Yongliang1,2; Liu Hongwei3; Yu Weidong1,2; Hou Yijun3
2016-11-01
Source PublicationACTA OCEANOLOGICA SINICA
Volume35Issue:11Pages:28-34
SubtypeArticle
AbstractMesoscale eddies play a key role in the ocean dynamics of the Southern Ocean, and eddy response to the climate changes has also been widely noted. Both eddy kinetic energy (EKE) and eddy detection algorithm are used to study the eddy properties in the Pacific sector of the Southern Ocean. Consistent with previous works, the maps of the EKE illustrate that higher energy confines to the Antarctic Polar Frontal Zone (APFZ) and decreases progressively from west to east. It also shows that the most significant increase in the EKE occurs in the western and central parts of the Pacific sector, where the baroclinicity of the Antarctic Circumpolar Current (ACC) is much stronger. Statistical eddy properties reveal that both of the spatial pattern and interannual variation of the EKE are primarily due to the eddy amplitude and the eddy rotational speed, rather than the eddy number or the eddy radius. In general, these results furtherly confirm that anomalous westerly wind forcing associated with the positive Southern Annular Mode (SAM) index enhances the Southern Ocean eddy activity by strengthening the eddy properties.
KeywordEddy Property Eddy Kinetic Energy Southern Ocean Satellite Altimeter
DOI10.1007/s13131-016-0946-2
Indexed BySCI
Language英语
WOS IDWOS:000387805300004
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/136219
Collection海洋环流与波动重点实验室
Affiliation1.State Ocean Adm, Inst Oceanog 1, Ctr Ocean & Climate Res, Qingdao 266061, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Reg Oceanog & Numer Modeling, Qingdao 266061, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China
Recommended Citation
GB/T 7714
Duan Yongliang,Liu Hongwei,Yu Weidong,et al. Eddy properties in the Pacific sector of the Southern Ocean from satellite altimetry data[J]. ACTA OCEANOLOGICA SINICA,2016,35(11):28-34.
APA Duan Yongliang,Liu Hongwei,Yu Weidong,&Hou Yijun.(2016).Eddy properties in the Pacific sector of the Southern Ocean from satellite altimetry data.ACTA OCEANOLOGICA SINICA,35(11),28-34.
MLA Duan Yongliang,et al."Eddy properties in the Pacific sector of the Southern Ocean from satellite altimetry data".ACTA OCEANOLOGICA SINICA 35.11(2016):28-34.
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