Journal of Marine Sciences ›› 2013, Vol. 31 ›› Issue (4): 10-16.

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Decadal variation of spring SST and wind field in the East China Sea Kuroshio

WANG Xing-zhi1,3,4, LI Chong-yin1,2   

  1. 1. Meteorological and Oceanography College, PLA University of Science and Technology, Nanjing 211101, China;
    2. LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China;
    3. State Key Laboratory of Satellite Ocean Environment Dynamics, Hangzhou 310012, China;
    4. The Second Institute of Oceanography, SOA, Hangzhou 310012, China
  • Received:2013-03-19 Revised:2013-05-30 Online:2013-12-15 Published:2022-11-29

Abstract: Based on the high resolution satellite Sea Surface Temperature (SST) and wind data, the decadal variation of the warm tongue and sea surface wind field of East China Sea (ECS) Kuroshio during spring (March-May) were analyzed using the Empirical Orthogonal Function (EOF) and Composite Analysis methods. The results show that: the Kuroshio warm tongue in spring exists significant decadal variation, and experiences a phase change in 1996/1997. The phase change is mainly influenced by the North Pacific Gyre Oscillation (NPGO). Further study find that there is a significant negative correlation between the SST and wind divergence field on decadal time scale. Composite Analysis indicates that the abnormal warming of continental shelf in ECS mainly influence the negative correlation.

Key words: spring, Kuroshio, sea surface temperature, sea surface wind

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