Why does the Kuroshio northeast of Taiwan shift shelfward in winter?

Lie Yauw Oey, Yi Chia Hsin, Chau Ron Wu*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

54 引文 斯高帕斯(Scopus)

摘要

Observations indicate that off the northeastern coast of Taiwan a branch of the Kuroshio intrudes farther northward in winter onto the shelf of the East China Sea. We demonstrate that this seasonal shift can be explained solely by winter cooling. Cooling produces downslope flux of dense shelf water that is compensated by shelfward intrusion. Parabathic isopycnals steepen eastward in winter and couple with the cross-shelf topographic slope (the "JEBAR" effect) to balance the enhanced intrusion. The downslope flow also increases vortex stretching and decreases the thickness of the inertial boundary layer, resulting in a Kuroshio that shifts closer to the shelf break.

原文英語
頁(從 - 到)413-426
頁數14
期刊Ocean Dynamics
60
發行號2
DOIs
出版狀態已發佈 - 2010 四月

ASJC Scopus subject areas

  • 海洋學

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