The South China Sea throughflow: linkage with local monsoon system and impact on upper thermal structure of the ocean
Liu, QY; Wang, DX; Xie, Q; qyliu66@scsio.ac.cn
2012
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
卷号30期号:6页码:1001-1009
摘要The tendency of South China Sea throughflow (SCSTF) variation associated with the local monsoon system, and its impact on upper-layer thermal structure, are studied using the Simple Ocean Data Assimilation (SODA) dataset, combined with Ishii reanalysis data. Luzon Strait Transport (LST) is measured and used as an index for studying the SCSTF variation. Results show that LST had an increasing tendency over the last 50 years, mainly in summer and fall. The increasing tendency was 0.017 1 Sv/a in summer and 0.027 4 Sv/a in fall, as estimated by SODA, and 0.018 0 Sv/a in summer and 0.018 9 Sv/a in fall, as estimated by "Island Rule" theory. LST increased by 0.53 Sv in JJA (June-July-August) and 0.98 Sv in SON (September-October-November) after climate shift, as inferred by SODA data. The average LST anomaly in JJA and SON is strongly related to the local monsoon system, especially to variability of the meridional wind stress anomaly after application of a 3-year running mean, with correlation coefficients 0.57 and 0.51, respectively. In addition to the basin-scale wind forcing, the local northeasterly wind stress anomaly in the SCS can push Pacific water entering the SCS more readily in JJA and SON after climate shift, and an SCSTF-associated cooling effect may favor subsurface cooling more frequently after climate shift.
部门归属[Liu Qinyan; Wang Dongxiao; Xie Qiang] Chinese Acad Sci, State Key Lab Trop Oceanog, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Xie Qiang] Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China
关键词South China Sea Throughflow (Scstf) Local Monsoon System Subsurface Temperature Cooling
学科领域Limnology ; Oceanography
语种英语
资助项目LTO
WOS记录号WOS:000311286500012
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/10063
专题热带海洋环境国家重点实验室(LTO)
通讯作者qyliu66@scsio.ac.cn
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Liu, QY,Wang, DX,Xie, Q,et al. The South China Sea throughflow: linkage with local monsoon system and impact on upper thermal structure of the ocean[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2012,30(6):1001-1009.
APA Liu, QY,Wang, DX,Xie, Q,&qyliu66@scsio.ac.cn.(2012).The South China Sea throughflow: linkage with local monsoon system and impact on upper thermal structure of the ocean.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,30(6),1001-1009.
MLA Liu, QY,et al."The South China Sea throughflow: linkage with local monsoon system and impact on upper thermal structure of the ocean".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 30.6(2012):1001-1009.
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