Sentences with phrase «surrounded circumpolar»

Not exact matches

The seafloor animals of the Southern Ocean shelf have long been isolated by the deep ocean surrounding Antarctica and the Antarctic Circumpolar Current, with little scope for southward migration.
In the north, eight circumpolar cyclones surround a single polar cyclone.
It was determined that a major cause of changes in the size and extent of the Antarctic ozone hole are the intense wind patterns and circulations associated with the extensive Antarctic high - pressure zone and the surrounding wind pattern known as the Circumpolar Vortex.
The best expression is found in Antarctica because of the strength and continuity of the circumpolar trough in surface pressure that surrounds the Antarctic continent.
«And the Antarctic is surrounded by the circumpolar current, which isolates the Antarctic from the rest of the world.»
Amplifying this threat is a potential trigger for this instability that surrounds the region: a mass of warm water known as Circumpolar Deep Water (CDW).
As surface temperture is altitude dependent one might have thought the first thing to check would be a map, as the arctic ice lies at sea level + 9 % of its thickness, while the antarctic ice sits several kilometers high in the sky, and the surrounding apron of the stuff is immune to windage because of the circumpolar continent in its midst.
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