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Characterization of Sea Surface Temperature and Air-Sea Heat Flux Anomalies Associated With Mesoscale Eddies in the South China Sea
Liu, Yingjie1,2,3; Yu, Lisan4; Chen, Ge1
2020-04-01
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
ISSN2169-9275
卷号125期号:4页码:19
通讯作者Yu, Lisan(lyu@whoi.edu)
摘要This study is to quantify the effects of mesoscale eddies on air-sea heat fluxes and related air-sea variables in the South China Sea. Using satellite observations of sea surface temperature (SST) and sea surface height anomaly and a high-resolution air-sea heat flux product for the 16-year period from 2000 to 2015, we conducted the composite patterns of air-sea fluxes and variables associated with anticyclonic eddies (AEs) and cyclonic eddies (CEs). It is found that the SST-sea surface height correlations over eddies are not always positive. Only 56% of AEs are corresponded with positive SST anomalies (SSTA), that is, SST+ AEs, and 58% of CEs with negative SSTA, that is, SST- CEs. The percentage of these eddies increases with eddy amplitude and shows slight seasonal variations, higher in winter and lower in summer. Composites of SSTA, air-sea variables, and fluxes are constructed over all eddies, including both SST+ eddies and SST- eddies. All composites show asymmetric patterns, showing that the centers (where the extrema are located) of the fluxes and variables shift westward and poleward (equatorward) relative to the AEs (CEs) cores. Besides, composites of latent heat flux (LHF), sensible heat flux (SHF), and air temperature show monopole patterns, while composites of wind speed and specific humidity show dipole patterns. For SST+ AEs, the coupling strength is 39.6 6.5 W/m(2) (7.2 1.7 W/m(2)) per degree increase of SSTA for LHF (SHF). For SST- CEs, the coupling strength is 39.0 2.0 W/m(2) (9.0 0.96 W/m(2)) per degree decrease of SSTA for LHF (SHF).
关键词mesoscale eddies air-sea coupling South China Sea
DOI10.1029/2019JC015470
收录类别SCI
语种英语
资助项目China Scholarship Council (CSC) ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA19060101] ; Key R&D project of Shandong Province[2019JZZY010102] ; Key deployment project of Center for Ocean Mega-Science, CAS[COMS2019R02] ; CAS Program[Y9KY04101L] ; National Natural Science Foundation of China[41776183] ; National Natural Science Foundation of China[41906157]
WOS研究方向Oceanography
WOS类目Oceanography
WOS记录号WOS:000534476600012
出版者AMER GEOPHYSICAL UNION
引用统计
被引频次:29[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/167664
专题海洋环流与波动重点实验室
通讯作者Yu, Lisan
作者单位1.Ocean Univ China, Coll Informat Sci & Engn, Qingdao, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Peoples R China
4.Woods Hole Oceanog Inst, Dept Phys Oceanog, Woods Hole, MA 02543 USA
第一作者单位中国科学院海洋研究所
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Liu, Yingjie,Yu, Lisan,Chen, Ge. Characterization of Sea Surface Temperature and Air-Sea Heat Flux Anomalies Associated With Mesoscale Eddies in the South China Sea[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2020,125(4):19.
APA Liu, Yingjie,Yu, Lisan,&Chen, Ge.(2020).Characterization of Sea Surface Temperature and Air-Sea Heat Flux Anomalies Associated With Mesoscale Eddies in the South China Sea.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,125(4),19.
MLA Liu, Yingjie,et al."Characterization of Sea Surface Temperature and Air-Sea Heat Flux Anomalies Associated With Mesoscale Eddies in the South China Sea".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 125.4(2020):19.
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