File:Figure 1.8 - Schematic of the global ocean circulation.png

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Figure_1.8_-_Schematic_of_the_global_ocean_circulation.png(514 × 404 pixels, file size: 192 KB, MIME type: image/png)

Model of the global ocean circulation, emphasising the central role played by the Southern Ocean. From Lumpkin and Speer (2007[1]). NADW = North Atlantic Deep Water; CDW = Circumpolar Deep Water; AABW = Antarctic Bottom Water. Units are in Sverdrups (1 Sv = 106 m3 of water per second). The two primary overturning cells are the Upper Cell (red and yellow), and the Lower Cell (blue, green, yellow). The bottom water of the Lower Cell (blue) wells up and joins with the southward flowing deep water (green or yellow), which connects with the upper cell (yellow and red). This demonstrates the global link between Southern Ocean convection and bottom water formation and convective processes in the Northern Hemisphere.

  1. Lumpkin, R. and Speer, K. 2007. Global ocean meridional overturning, Journal of Physical Oceanography, 37, 2550-2562.

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