That's because of a clockwise current of water called the Antarctic circumpolar current.

这是由于被称为南极绕极环流的顺时针环流造成的。

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Gazetteer Circumpolar in fresh water.

在淡水中的极地附近。

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And water masses within and north of Prydz Bay are identified as summer coastal surface water, the Prydz Bay winter water, the Prydz Bay shelf water, and the Circumpolar Deep Water.

确定了普里兹湾夏季近岸水，普里兹湾夏季表层水，普里兹湾陆架水和南极绕极深层水的范围、深度和温盐特性。

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In addition to a sea floor mapping project, the researchers will make chemical analyses of water samples that will help them determine the temperature, salinity and composition of a strong circumpolar current that flows around the boundary of the Arctic Ocean.

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