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
发表期刊ACTA OCEANOLOGICA SINICA
卷号35期号:11页码:28-34
文章类型Article
摘要Mesoscale 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.
关键词Eddy Property Eddy Kinetic Energy Southern Ocean Satellite Altimeter
DOI10.1007/s13131-016-0946-2
收录类别SCI
语种英语
WOS记录号WOS:000387805300004
引用统计
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136219
专题海洋环流与波动重点实验室
作者单位1.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
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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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