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Long-term temperature variation of the Southern Yellow Sea Cold Water Mass from 1976 to 2006
Li Ang1,2,3; Yu Fei1; Si Guangcheng1; Wei Chuanjie1
2017-09-01
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
Volume35Issue:5Pages:1032-1044
SubtypeArticle
AbstractThis paper discusses the long-term temperature variation of the Southern Yellow Sea Cold Water Mass (SYSCWM) and examines those factors that influence the SYSCWM, based on hydrographic datasets of the China National Standard Section and the Korea Oceanographic Data Center. Surface air temperature, meridional wind speed, and sea surface temperature data are used to describe the seasonal changes. Mean temperature of the two centers of the SYSCWM had diff erent long-term trends. The temperature of the center in the west of the SYSCWM was rising whereas that of the center in the east was falling. Mean temperature of the western center was related to warm water intrusion of the Yellow Sea Warm Current, the winter meridional wind, and the winter air temperature. Summer process played a primary role in the cooling trend of temperature in the eastern center. A decreasing trend of salinity in the eastern half of the SYSCWM showed that warm water intrusion from the south might weaken, as could the SYSCWM circulation. Weakened circulation provided less horizontal heat input to the eastern half of the SYSCWM. Less lateral heat input may have led to the decreasing trend in temperature of the eastern center of the SYSCWM. Further, warmer sea surface temperatures and less heat input in the deep layers intensified the thermocline of the eastern SYSCWM. A stronger thermocline had less heat flux input from upper layers to this half of the SYSCWM. Stronger thermocline and weakened heat input can be seen as two main causes of the cooling temperature trend of the eastern center of the SYSCWM.
KeywordSouthern Yellow Cold Water Mass (Syscwm) Long-term Trend Interannual Variability Influence Factor
DOI10.1007/s00343-017-6037-1
Indexed BySCI
Language英语
WOS IDWOS:000410093300005
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/143186
Collection海洋环境工程技术研究发展中心
Affiliation1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.State Ocean Adm, Natl Marine Environm Forecasting Ctr, Key Lab Res Marine Hazards Forecasting, Beijing 100081, Peoples R China
Recommended Citation
GB/T 7714
Li Ang,Yu Fei,Si Guangcheng,et al. Long-term temperature variation of the Southern Yellow Sea Cold Water Mass from 1976 to 2006[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2017,35(5):1032-1044.
APA Li Ang,Yu Fei,Si Guangcheng,&Wei Chuanjie.(2017).Long-term temperature variation of the Southern Yellow Sea Cold Water Mass from 1976 to 2006.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,35(5),1032-1044.
MLA Li Ang,et al."Long-term temperature variation of the Southern Yellow Sea Cold Water Mass from 1976 to 2006".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 35.5(2017):1032-1044.
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