ADVANCES IN POLAR SCIENCE ›› 2003, Vol. 15 ›› Issue (2): 91-101.

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DYNAMIC ANALYSIS OF CURRENT OVER THE CONTINENTAL SLOPE OF THE EAST BERING SEA IN SUMMER, 1999

  

  • Online:2003-06-30 Published:2003-06-30

Abstract:

Based on CTD data observed in Bering Sea by the Chinese First Arctic Research Expedition from July to September 1999,we analyze the width, speed and flux of current from 58°N to 60°N over the continental slope of the east Bering Sea and draw conclusions as following: (1) In summer,1999, the Bering Slope Current(BSC) enhances west northward, the maximum speed is about 10cm/s near 58°N and up to 30cm/s near 60°N;the width is about 100km near 58°N and increases to about 210km near 60°N; the flux is about 5.3Sv near 58°N and increases to 10.2Sv near 60°N; (2) The inverse flow is east southward between BSC and continent, the width of upper layer is about 70km, speed is about 5cm/s and it extends to the bottom near 58°N, speed decreases and width increases to about 110km near 59°N, this flow is not observed near 60°N; (3)Bering Sea continental break font strengthens the Bering Slope Current.