Numerical modeling of currents in the Drake Passage with assimilation of the experimental data of 2003

Panteleev, G.; Koshlyakov, M.; Morozov, E.; Tarakanov, R.; Goldin, A.; Shcherbina, A.; Ikeda, M.

Numerical modeling of currents in the Drake Passage with assimilation of the experimental data of 2003

2006

Computation of ocean currents in the Drake Passage is carried out with variational assimilation of the data of the hydrographical section across the Drake Passage carried out on December 11–15, 2003, and other data. A stream-eddy structure of the easterly Antarctic Circumpolar Current and a westerly current on the Antarctic Slope are obtained. Water transports by the different current field components and the integral transport across the Drake Passage are estimated. The necessity of direct current measurements in the Drake Passage for a correct estimate of the transport is confirmed.

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