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The spatiotemporal variation of the wind-induced near-inertial energy flux in the mixed layer of the South China Sea
Li Juan; Liu Junliang; Cai Shuqun; Pan Jiayi; caisq@scsio.ac.cn
2015
Source PublicationACTA OCEANOLOGICA SINICA
Volume34Issue:1Pages:66-72
AbstractOn the basis of the QSCAT/NCEP blended wind data and simple ocean data assimilation (SODA), the wind-induced near-inertial energy flux (NIEF) in the mixed layer of the South China Sea (SCS) is estimated by a slab model, and the model results are verified by observational data near the Xisha Islands in the SCS. Then, the spatial and temporal variations of the NIEF in the SCS are analyzed. It is found that, the monthly mean NIEF exhibits obvious spatial and temporal variabilities, i.e., it is large west of Luzon Island all the year, east of the Indo-China Peninsula all the year except in spring, and in the northern SCS from May to September. The large monthly mean NIEF in the first two zones may be affected by the large local wind stress curl whilst that in the last zone is probably due to the shallow mixed layer depth. Moreover, the monthly mean NIEF is relatively large in summer and autumn due to the passage of typhoons. The spatial mean NIEF in the mixed layer of the SCS is estimated to be about 1.25 mW/m(2) and the total wind energy input from wind is approximately 4.4 GW. Furthermore, the interannual variability of the spatial monthly mean NIEF and the Nio 3.4 index are negatively correlated.
Department[Li Juan; Liu Junliang; Cai Shuqun] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Li Juan] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Pan Jiayi] Chinese Univ Hong Kong, Inst Earth & Space Informat Sci, Hong Kong, Hong Kong, Peoples R China ; LTO
KeywordNear-inertial Energy Flux Mixed Layer Spatiotemporal Variation Slab Model South China Sea
Subject AreaOceanography
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/15019
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authorcaisq@scsio.ac.cn
Recommended Citation
GB/T 7714
Li Juan,Liu Junliang,Cai Shuqun,et al. The spatiotemporal variation of the wind-induced near-inertial energy flux in the mixed layer of the South China Sea[J]. ACTA OCEANOLOGICA SINICA,2015,34(1):66-72.
APA Li Juan,Liu Junliang,Cai Shuqun,Pan Jiayi,&caisq@scsio.ac.cn.(2015).The spatiotemporal variation of the wind-induced near-inertial energy flux in the mixed layer of the South China Sea.ACTA OCEANOLOGICA SINICA,34(1),66-72.
MLA Li Juan,et al."The spatiotemporal variation of the wind-induced near-inertial energy flux in the mixed layer of the South China Sea".ACTA OCEANOLOGICA SINICA 34.1(2015):66-72.
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