Arctic

Arctic

The Arctic is a polar region located at the northern-most part of the Earth consisting of a vast, ice-covered ocean, surrounded by treeless permafrost. The Arctic region holds one of the largest deposits of nature resources on Earth.

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Arctic

Permafrost

Places; Arctic

Any soil in the arctic regions in which temperatures below freezing have existed continuously for a long time.

Pack ice

Places; Arctic

An area of floating islands of ice that form floes a few feet wide to ice islands miles across. These islands drift in the centre of the Arctic Ocean and occasionally drift South as far as ...

Tree line

Places; Arctic

(also called timber line) the point on mountain or high elevations beyond which no trees grow. The line varies depending on latitude, climate and soil conditions. Also northern boundary of boreal ...

Tongue

Places; Arctic

A mass of ice projecting under water from an iceberg or floe, and generally distinguishable at a considerable depth of smooth water. It differs from a "calf" in being fixed to, or a part of, the ...