Marine Hydrology

Analysis of upper-ocean surface currents of the South China Sea derived from satellite-tracked drifter data

  • LIU Ke-feng ,
  • JIANG Guo-rong ,
  • CHEN Yi-de ,
  • YAO Jia ,
  • SHENG Chun
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  • 1. Institute of Meteorology and Oceanography, PLA University of Science and Technology, Nanjing 211101, China; 2. Institute of Science, PLA University of Science and Technology, Nanjing 211101, China

Received date: 2012-12-23

  Revised date: 2014-03-29

  Online published: 2014-09-29

Abstract

Upper-ocean surface currents of the South China Sea are studied based on satellite-tracked drifter data from 1979 to 2011 and satellite altimeter data from 1993 to 2012. The seasonal averages of the actual flow and geostrophic flow are obtained, and their seasonal variations are discussed. The actual flow field and geostrophic flow field are compared. The results show that the feature of the surface circulation structure of the South China Sea is closely related to the monsoon, both the actual flow field and geostrophic flow field in general show a significant seasonal variation. The large-scale circulations of the actual flow field and geostrophic flow field are basically the same in summer, autumn and winter, but are opposite in spring.

Cite this article

LIU Ke-feng , JIANG Guo-rong , CHEN Yi-de , YAO Jia , SHENG Chun . Analysis of upper-ocean surface currents of the South China Sea derived from satellite-tracked drifter data[J]. Journal of Tropical Oceanography, 2014 , 33(5) : 13 -21 . DOI: 10.11978/j.issn.1009-5470.2014.05.002

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