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Role of wind forcing and eddy activity in the intraseasonal variability of the barrier layer in the South China Sea
Liang, Zhanlin1,2; Xie, Qiang1,3,4; Zeng, Lili1; Wang, Dongxiao1; Zeng, Lili(Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog LTO, Guangzhou, Guangdong, Peoples R China)
2018-03-01
Source PublicationOCEAN DYNAMICS
Volume68Issue:3Pages:363-375
Contribution Rank第1完成单位 ; 第2完成单位 ; 第3完成单位 ; 第4完成单位
AbstractIn addition to widely discussed seasonal variability, the barrier layer (BL) of the South China Sea (SCS) also exhibits significant intraseasonal variability (ISV) and plays an important role in the upper heat and salt balances. The characteristics and mechanisms of spatiotemporal variations in the BL are investigated using an eddy-resolving ocean model OFES (OGCM For the Earth Simulator) ouput and related atmospheric and oceanic processes. The active intraseasonal BL variability in the SCS occurs mainly during the late summer/autumn and winter and exhibits remarkable differences between these two periods. The BL ISV in late summer/autumn occurs in the southern basin, while in winter, it is limited to the northwestern basin. To further discuss the evolution and driving thermodynamic mechanisms, we quantify the processes that control the variability of intraseasonal BL. Different mechanisms for the intraseasonal BL variability for these two active periods are investigated based on the case study and composite analysis. During late summer/autumn, the active BL in the southern basin is generated by advected and local freshwater, and then decays rapidly with the enhanced wind. In winter, anticyclonic eddy activity is associated with the evolution of the BL by affecting the thermocline and halocline variations, while wind stress and wind stress curl have no obvious influence on BL.
SubtypeArticle
KeywordSouth China Sea Intraseasonal Variability Barrier Layer Wind Stress Eddy Kinetic Energy
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s10236-018-1137-9
URL查看原文
Indexed BySCI
Language英语
WOS KeywordMIXED-LAYER ; WESTERN PACIFIC ; SUMMER MONSOON ; REGION ; BENGAL ; OCEAN ; BAY
WOS SubjectOceanography
WOS IDWOS:000426073000005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.idsse.ac.cn/handle/183446/5923
Collection深海科学研究部_海洋环流观测与数值模拟研究室
Corresponding AuthorZeng, Lili; Zeng, Lili(Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog LTO, Guangzhou, Guangdong, Peoples R China)
Affiliation1.Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog LTO, Guangzhou, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya, Peoples R China
4.Qingdao Natl Lab Marine Sci & Technol, Lab Reg Oceanog & Numer Modeling, Qingdao, Peoples R China
Recommended Citation
GB/T 7714
Liang, Zhanlin,Xie, Qiang,Zeng, Lili,et al. Role of wind forcing and eddy activity in the intraseasonal variability of the barrier layer in the South China Sea[J]. OCEAN DYNAMICS,2018,68(3):363-375.
APA Liang, Zhanlin,Xie, Qiang,Zeng, Lili,Wang, Dongxiao,&Zeng, Lili.(2018).Role of wind forcing and eddy activity in the intraseasonal variability of the barrier layer in the South China Sea.OCEAN DYNAMICS,68(3),363-375.
MLA Liang, Zhanlin,et al."Role of wind forcing and eddy activity in the intraseasonal variability of the barrier layer in the South China Sea".OCEAN DYNAMICS 68.3(2018):363-375.
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