Rossby waves and eddies observed at a temperature mooring in northern South China sea

Y. C. Lin, L. Y. Oey, J. Wang, K. K. Liu

研究成果: 雜誌貢獻期刊論文同行評審

16 引文 斯高帕斯(Scopus)

摘要

Annual Rossby waves in northern South China Sea had previously been studied using altimetry and model data; however, how they connect to subsurface temperature fluctuations has not been examined. This study analyzed a 22-month, surface to -500-m temperature time series at 18.3°N, 115.5°E, together with satellite and other data, to show the arrivals near z ≈-300 m and deeper cool (warm) Rossby waves after their generation near the Luzon Strait in winter (summer). Temperature fluctuations with time scales of a few weeks, and with maximum anomalies near z ≈-100 m, were also found embedded in the smooth Rossby waves and caused by propagating eddies. Eddy fluctuations and propagation past the mooring were of two types: Southwestward from southwestern Taiwan, triggered by Kuroshio intrusion that produced anticyclone-cyclone pairs in late fall and winter, and eddies propagating westward from Luzon forced by annual anomalies of wind stress curl and Kuroshio path in the Luzon Strait.

原文???core.languages.en_GB???
頁(從 - 到)517-535
頁數19
期刊Journal of Physical Oceanography
46
發行號2
DOIs
出版狀態已出版 - 2016

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