Relative importance of wind and buoyancy forcing for interdecadal regime shifts in the Pacific Ocean
Wang, DX; Wang, J; Wu, LX; Liu, ZY
2003
发表期刊SCIENCE IN CHINA SERIES D-EARTH SCIENCES
ISSN1006-9313
卷号46期号:5页码:417-427
摘要Miami Isopycnal Coordinate Ocean Model (MICOM) is applied here to simulate the interdecadal climatic change in the Pacific Ocean. The surface forcing functions from January 1945 through to December 1993 are derived from the Comprehensive Ocean and Atmospheric Data Set (COADS). Such a numerical experiment reproduces the observed basin-wide evolution for the interdecadal variability of the heat content in the upper 400 m layers. The teleconnections between the central North Pacific, the Gulf of Alaska, and the eastern and western tropical Pacific Oceans are captured very well. Two additional experiments are performed to investigate the relative importance of anomalous wind and buoyancy forcing regarding the regime shift. The results show that the anomalous buoyancy forcing is the dominant factor in the North Pacific and the subtropics, whereas the anomalous wind forcing is more important in the tropical Pacific than the other factors. Subduction is intrinsic physics for the interdecadal variability in the midlatitudes and the northern subtropics, whereas other mechanisms are involved in the tropical Pacific.
部门归属Chinese Acad Sci, S China Sea Inst Oceanol, Lab Trop Marine Environm Dynam, Guangzhou 510301, Peoples R China; Univ Alaska, Int Arctic Res Ctr, Fairbanks, AK 99775 USA; Univ Wisconsin, Dept Atmospher & Ocean Sci, Madison, WI 53706 USA
关键词Pacific Ocean Regime Shift Relative Importance Buoyancy Forcing
学科领域Geosciences, Multidisciplinary
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收录类别sci
资助项目LED
WOS记录号WOS:000182042600001
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被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/5573
专题热带海洋环境国家重点实验室(LTO)
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Wang, DX,Wang, J,Wu, LX,et al. Relative importance of wind and buoyancy forcing for interdecadal regime shifts in the Pacific Ocean[J]. SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2003,46(5):417-427.
APA Wang, DX,Wang, J,Wu, LX,&Liu, ZY.(2003).Relative importance of wind and buoyancy forcing for interdecadal regime shifts in the Pacific Ocean.SCIENCE IN CHINA SERIES D-EARTH SCIENCES,46(5),417-427.
MLA Wang, DX,et al."Relative importance of wind and buoyancy forcing for interdecadal regime shifts in the Pacific Ocean".SCIENCE IN CHINA SERIES D-EARTH SCIENCES 46.5(2003):417-427.
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