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Antarctica

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Antarctic Circumpolar Current

Antarctic Circumpolar Current  

The largest and most important ocean current in the southern hemisphere. It flows in an eastward direction around Antarctica, and occupies a wide tract of water in the South Pacific, South Atlantic, ...
Benguela current

Benguela current  

The eastern boundary current of the South Atlantic subtropical gyre, which begins as a northward flow off the Cape of Good Hope, then skirting the western African coast equatorwards until around ...
cryosphere

cryosphere  

That part of the Earth where the surface is frozen, comprising the area covered by ice sheets and glaciers, permafrost regions, and sea areas covered by ice, at least in winter.
glacier

glacier  

A mass of ice which may be moving, or has moved, overland: when enough ice has accumulated, a glacier will start to move forwards. A glacier may be seen to be the result of a balance between ...
ice sheet

ice sheet  

A large ice mass, with an area usually greater than about 50 000 km2, made up of ice domes and outlet glaciers. The Antarctic ice sheet is the world's largest, with an area of about 11.5 × 106 km2 ...
ozone hole

ozone hole  

General name for a sharp seasonal decrease in the concentration of ozone in the stratosphere that occurs over Antarctica in the spring, was first detected during the 1970s, and is growing larger (a ...

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