基于卫星漂流浮标的南海表层海流观测分析*

doi:10.11978/j.issn.1009-5470.2014.05.002

Journal of Tropical Oceanography ›› 2014, Vol. 33 ›› Issue (5): 13-21.doi: 10.11978/j.issn.1009-5470.2014.05.002cstr: 32234.14.j.issn.1009-5470.2014.05.002

• Marine Hydrology • Previous Articles Next Articles

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

LIU Ke-feng¹, JIANG Guo-rong¹, CHEN Yi-de¹, YAO Jia², SHENG Chun¹

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:2012-12-23 Revised:2014-03-29 Online:2014-09-29 Published:2014-09-29

Abstract

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.

Key words: satellite tracking drifting buoy, surface currents in the South China Sea, satellite altimeter

CLC Number:

P731

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.

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

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