Journal
JOURNAL OF MARINE SYSTEMS
Volume 81, Issue 4, Pages 335-340Publisher
ELSEVIER
DOI: 10.1016/j.jmarsys.2010.02.010
Keywords
Circulation; Correlation analysis; Remote sensing; Analytical techniques
Funding
- National Basic Research Program [2007CB816003]
- NSFC [40976009]
- National Special Project [2006BAB19B01]
- NASA Ocean Vector Winds Science Team
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Fifteen years of satellite altimetry data are used to study the seasonal and year-to-year variabilities of the surface circulation in the Sulu Sea (SS) and its association with the South China Sea (SCS) based on the Singular Value Decomposition method. The first seasonal mode in the SS reveals a basin-scale anticyclonic/cyclonic circulation, and the second seasonal and first interannual modes reveal a weak basin-scale anticyclonic/cyclonic meander flow from the Mindoro Strait to the Sibutu Passage. There is a high correlation of the SS circulation with that from the Mindoro Strait to the Balabac Strait in the southeastern SCS, which may be associated with the following three factors, first, the water exchange of the SS with the SCS via the Mindoro and Balabac straits; second, the oceanic responses to almost the same and synchronous seasonal variations of wind forcing; and third, the seasonal steric change between the SS and the southeastern SCS. The interannual SS circulation is also quite coherent with ENSO variability signal. (C) 2010 Elsevier B.V. All rights reserved.
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