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Long-term variation in the salinity of the Southern Yellow Sea Cold Water Mass, 1976-2006
Li, Ang1,2,3; Yu, Fei2; Si, Guangcheng2; Wei, Chuanjie2
2017-06-01
Source PublicationJOURNAL OF OCEANOGRAPHY
Volume73Issue:3Pages:321-331
SubtypeArticle
AbstractThis paper discusses the long-term variation in the salinity of the Southern Yellow Sea Cold Water Mass (SYSCWM) and examines factors influencing the SYSCWM based on hydrographic datasets of the China National Standard section and the Korea Oceanographic Data Center. The mean salinity at the center of the SYSCWM showed a decreasing long-term trend. In empirical orthogonal function (EOF) analysis, the second EOF mode showed a similar long-term trend. The mean salinity of the center of the SYSCWM was related to the intrusion of saline water from the Yellow Sea Warm Current (YSWC), the salinity of the source area of the YSWC, the evaporation minus precipitation (E-P) flux, and discharge from the Changjiang River. The decreasing salinity trend to the southwest of Cheju Island produced a freshening trend in the YSWC, resulting in a reduction in the salinity of the SYSCWM. The freshening trends of the water from the northwest Pacific and the South China Sea were seen as the reason for the decreasing salinity trend from the intrusion of water into the Yellow Sea (YS). The freshwater flux influenced the surface salinity and was brought to deep layers by strong mixing in winter. The mean E-P flux signal and Changjiang River discharge signal lagged the first principal component of the SYSCWM by approximately 5 months.
KeywordSouthern Yellow Sea Cold Water Mass Long-term Trend Interannual Salinity Variability Yellow Sea Warm Current Influence Factor
DOI10.1007/s10872-016-0405-x
Indexed BySCI
Language英语
WOS IDWOS:000401432100004
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/136850
Collection海洋环境工程技术研究发展中心
Affiliation1.State Ocean Adm, Natl Marine Environm Forecasting Ctr, Key Lab Res Marine Hazards Forecasting, Beijing 100081, Peoples R China
2.Chinese Acad Sci, Inst Oceanog, Res & Dev Ctr Marine Environm Engn & Technol, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Li, Ang,Yu, Fei,Si, Guangcheng,et al. Long-term variation in the salinity of the Southern Yellow Sea Cold Water Mass, 1976-2006[J]. JOURNAL OF OCEANOGRAPHY,2017,73(3):321-331.
APA Li, Ang,Yu, Fei,Si, Guangcheng,&Wei, Chuanjie.(2017).Long-term variation in the salinity of the Southern Yellow Sea Cold Water Mass, 1976-2006.JOURNAL OF OCEANOGRAPHY,73(3),321-331.
MLA Li, Ang,et al."Long-term variation in the salinity of the Southern Yellow Sea Cold Water Mass, 1976-2006".JOURNAL OF OCEANOGRAPHY 73.3(2017):321-331.
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