Research on Seasonal Changes in the Surface and Deep Horizontal Circulation in the Sea of Japan

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• Research on Seasonal Changes in the Surface and Deep Horizontal Circulation in the Sea of Japan

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    Japanese URL
  • Prof. Isoda's Laboratory of Marine Environmental Science Division of Marine Bioresource and Environmental Science
    

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    Prof. Yutaka　Isoda ページ

• Research example (1)
  •  “Seasonal change” component of sea surface geostrophic current (surface current) calculated from long-term mean satellite sea surface height anomaly data

    

    
    

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    [Open Access] Asahi et al., 2016, Oceanography in Japan URL

• Research example (2)
  •  Wind stress vectors τ and their curl τ for the long-term mean in January and July (positive values indicate a counterclockwise current , while negative values indicate a clockwise current )

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    [Open Access] Asahi & Isoda, 2017, Bulletin of Fisheries Sciences, Hokkaido University URL

• Research example (3)
  •  Numerical experiments of wind-driven deep currents

    
    

    
    
    
    

    
    

• Explanation
  • The E1 and E2 swirling currents in the northern sea area (Research example 1) are excited by the winter monsoon (Research example 2). The coastal branch current of the Tsushima Warm Current is strengthened in summer, and the offshore meandering current is strengthened from autumn to winter. Based on numerical experiments (Research example 3), it was speculated that the seasonal change in deep current would be synchronized with wind forcing, generating the E1 and Eb swirling currents in the northern sea area.

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• Others
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    About the copyright ページ

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