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Effect of meridional wind on gap-leaping western boundary current
Wang Zheng1,2,3; Yuan Dongliang1,2; Hou Yijun1,2
2010-03-01
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
卷号28期号:2页码:354-358
文章类型Article
摘要Using a 1.5-layer reduced-gravity nonlinear shallow-water equation model, we studied the effect of the meridional wind on the western boundary currents (WBC) at critical states with hysteresis courses. The results of the simulation indicate that the WBC is prone to penetrating into the gap under northerly winds, and its path is more difficult to alter due to the larger interval between the two critical transition curves (C (1) P and C (1) L). For southerly winds, the WBC is prone to leaping across the gap, and its path is easier to alter due to the smaller interval between the two critical transition curves. The simulation results also indicate that the meridional winds over the southern region of the gap are the dominant factor determining the formation of the WBC. The dynamic mechanism influencing the transport of WBC near the gap is both Ekman transport and the blocking of Ekman transport. Ekman transport induced by northerly winds may reduce the transport of the WBC, causing the beta-effect to dominate the meridional advection (promoting the penetration). Southerly winds, however, may enhance the transport of the WBC, causing the meridional advection to dominate the beta-effect (promoting the leaping state). These results explain some structural features of the Kuroshio at the Luzon Strait.
关键词Hysteresis Meridional Winds Luzon Strait Kuroshio
DOI10.1007/s00343-010-9281-1
收录类别SCI
语种英语
WOS记录号WOS:000275781400022
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/32834
专题海洋环流与波动重点实验室
作者单位1.Chinese Acad Sci, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
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Wang Zheng,Yuan Dongliang,Hou Yijun. Effect of meridional wind on gap-leaping western boundary current[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2010,28(2):354-358.
APA Wang Zheng,Yuan Dongliang,&Hou Yijun.(2010).Effect of meridional wind on gap-leaping western boundary current.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,28(2),354-358.
MLA Wang Zheng,et al."Effect of meridional wind on gap-leaping western boundary current".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 28.2(2010):354-358.
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