SCSIO OpenIR  > 热带海洋环境国家重点实验室(LTO)
Seasonal variations in the barrier layer in the South China Sea: characteristics, mechanisms and impact of warming
Zeng, LL; Wang, DX; dxwang@scsio.ac.cn
2017
Source PublicationCLIMATE DYNAMICS
Volume48Issue:5-6Pages:1911-1930
AbstractA new observational dataset, the South China Sea Physical Oceanographic Dataset 2014, is examined to investigate the seasonal characteristics, formation mechanisms, and warming effects of the barrier layer (BL) in the South China Sea (SCS). Statistical analysis reveals that the BL is thicker and occurs more frequently during summer and early autumn, while in winter it often coexists with temperature inversions. The formation mechanisms are discussed from the perspective of the controlling regime and the net turbulent energy required for BL evolution. In the initial stage (March-May), the BL is absent due to weak mixing, scarce rainfall and surface warming. In the formation and maintenance stage (June-September), the BL grows in summer and persists into the transition season. The BLs can be classified into three regimes: the flux regime (in the Luzon Strait), the combined regime (in the eastern basin) and the wind regime (southeast of Vietnam). In the attenuation stage (October-February), associated with the winter monsoon, the BL mainly occurs in the combined regime (along the path of western boundary current) and the flux regime (in the southeast corner). The characteristics and generation mechanisms of the temperature inversions near the south Chinese coast, east of Vietnam, and in the Gulf of Thailand are also discussed. Our analysis further demonstrates that the BL has a significant warming effect on upper ocean temperature and heat content in the SCS.
Department[Zeng, Lili; Wang, Dongxiao] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China
KeywordBarrier Layer South China Sea Seasonal Variability Mixed Layer Salinity Budget Temperature Inversion Upper Ocean Heat Content
Funding ProjectLTO
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/16436
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authordxwang@scsio.ac.cn
Recommended Citation
GB/T 7714
Zeng, LL,Wang, DX,dxwang@scsio.ac.cn. Seasonal variations in the barrier layer in the South China Sea: characteristics, mechanisms and impact of warming[J]. CLIMATE DYNAMICS,2017,48(5-6):1911-1930.
APA Zeng, LL,Wang, DX,&dxwang@scsio.ac.cn.(2017).Seasonal variations in the barrier layer in the South China Sea: characteristics, mechanisms and impact of warming.CLIMATE DYNAMICS,48(5-6),1911-1930.
MLA Zeng, LL,et al."Seasonal variations in the barrier layer in the South China Sea: characteristics, mechanisms and impact of warming".CLIMATE DYNAMICS 48.5-6(2017):1911-1930.
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