Water transport across the subantarctic front and the global ocean conveyer belt |
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| Authors: | M N Koshlyakov R Yu Tarakanov |
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| Institution: | (1) Department of Oceanography, Marine Research Institute, University of Cape Town, Rondebosch, 7700, South Africa;(2) Department of Earth and Ocean Sciences, University of British Columbia, 6339 Stores Road, Vancouver, BC, V6T1Z4, Canada;(3) Zoology Department, University of Fort Hare, Private Bag X1314, Alice, 5700, South Africa;(4) Botany Department, Rhodes University, PO Box 64, Grahamstown, 6140, South Africa |
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| Abstract: | The water transport across the Subantarctic Front involving the Ekman transport, eddy transfer, and transport by the abyssal
geostrophic currents is estimated on the basis of different experimental data. This transport accounts for 14 Sv northwards
in the upper ocean layer (thermocline) and the same quantity southwards in the lower layer (abyss). This quantity is equal
to the magnitude of the water downwelling from the thermocline to the abyssal in the North Atlantic and North-European Basin,
which is realized in the field of the Global Ocean Conveyor Belt. This result agrees with the conception according to which
the oppositely directed motion of the water from the abyssal into the thermocline takes place in the Antarctic. |
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