Mesoscale structure of the central South China Sea detected by SCSMEX Buoy and Argo float
Zeng, LL; Wang, DX; Du, Y; Shi, P; duyan@scsio.ac.cn
2010
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
卷号28期号:5页码:1102-1111
摘要We addressed the mesoscale structure variation of the central South China Sea (SCS) with the measurements by a long-lived Argo float and a high-resolution ATLAS buoy during 1998-2002. T-S diagram indicates cooling and freshening events in 2000 and 2001 with lower salinity (0.5-0.8) and lower temperature (1-1.7A degrees C). Significant decrease in the net heat flux and increase in the precipitation suggest that the cooling and freshening is due to extra forcing by the atmosphere. Additional to large year-to-year changes, intraseasonal variability is moderate in the research area. The axis of the maximum intraseasonal temperature and salinity signals are mainly located on the thermocline. Typically, amplitude and period of intraseasonal temperature is about 2A degrees C and 40-60 days, and that of salinity is 0.3-0.5 and 35-60 days. Rapidly-changing winds, heat flux, and precipitation are critical in controlling the intraseasonal fluctuations of the mixed layer of the area. Studies on heat and freshwater balance in the mixed-layer further suggest that horizontal advection plays an important role in intraseasonal fluctuation in the upper ocean. In addition, the energetic mesoscale propagation radiated from the east boundary is linked to the intraseasonal variability in winter.
部门归属[Zeng Lili; Wang Dongxiao; Du Yan; Shi Ping] Chinese Acad Sci, Key Lab Trop Marine Environm Dynam, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Shi Ping] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
关键词South China Sea (Scs) Upper Ocean Water Mass Argo Floats Scsmex Buoy
学科领域Limnology ; Oceanography
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收录类别sci
资助项目LED
WOS记录号WOS:000281711600020
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/6247
专题热带海洋环境国家重点实验室(LTO)
通讯作者duyan@scsio.ac.cn
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Zeng, LL,Wang, DX,Du, Y,et al. Mesoscale structure of the central South China Sea detected by SCSMEX Buoy and Argo float[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2010,28(5):1102-1111.
APA Zeng, LL,Wang, DX,Du, Y,Shi, P,&duyan@scsio.ac.cn.(2010).Mesoscale structure of the central South China Sea detected by SCSMEX Buoy and Argo float.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,28(5),1102-1111.
MLA Zeng, LL,et al."Mesoscale structure of the central South China Sea detected by SCSMEX Buoy and Argo float".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 28.5(2010):1102-1111.
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