Ocean Sci. Discuss., 9, 3739-3759, 2012
www.ocean-sci-discuss.net/9/3739/2012/
doi:10.5194/osd-9-3739-2012
© Author(s) 2012. This work is distributed
under the Creative Commons Attribution 3.0 License.
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This discussion paper has been under review for the journal Ocean Science (OS). Please refer to the corresponding final paper in OS.
Image of a subsurface current core in the southern South China Sea
Q. S. Tang1, D. X. Wang2, J. B. Li3, P. Yan1, and J. Li2
1Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
2State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
3Key Laboratory of Submarine Geoscience, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China

Abstract. A legacy seismic transect acquired on 30 and 31 May 2009 in the southern South China Sea (SCS) was reprocessed to reveal the thermohaline structure of the water column. In the study region, a mesoscale subsurface lens with extraordinary features was detected at (113.5° E, 11.5° N). It is centered at 45 m depth, occupies both the subsurface and intermediate water from 250 to 600 m, and has a diameter of around 60 km. The simulated results from Hybrid Coordinate Ocean Model reveal an eddy-induced subsurface current running southwestward along the deep basin edge and suggest that the imaged lens is a snapshot of the subsurface current core rather than a subsurface eddy.

Citation: Tang, Q. S., Wang, D. X., Li, J. B., Yan, P., and Li, J.: Image of a subsurface current core in the southern South China Sea, Ocean Sci. Discuss., 9, 3739-3759, doi:10.5194/osd-9-3739-2012, 2012.
 
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