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Above is a diagram of the general large scale water circulation in the Arctic
Ocean, along with
some of the major topographic features of the ocean bottom.
The basin
of the Arctic
Ocean is crossed by several prominent ridges which restrict the
circulation of the bottom water and divide the Arctic
basin
into several sub-basins (Amerasia
basin
, Eurasia
basin
, and the Barents
Sea).
In the Eurasian
basin
the Arctic
bottom water (at 2500 meters depth) reaches a temperature of about
-0.8 degrees C., while in the Amerasia
basin
it reaches (at 2000 meters depth) approximately
-0.4 degrees Centigrade
.
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