Permafrost

Permafrost

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

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Part of Speech: noun
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Industry/Domain: Places
Category: Arctic
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Related terms

permafrost

Weather; Meteorology

1. A layer of soil or bedrock at a variable depth beneath the surface of the earth in which the temperature has been below freezing continuously from a few to several thousands of ...

permafrost

Anthropology; Physical anthropology

Permanently frozen soil. This is a common condition above the Arctic Circle and in other similarly cold environments.

permafrost

Earth science; Soil science

(i) Permanently frozen material underlying the solum. (ii) A perennially frozen soil horizon.

permafrost

Environment; Environmental conservation

Perennially frozen ground that occurs wherever the temperature remains below 0 degrees C for several years.

permafrost

Chemistry; Weather; Atmospheric chemistry

Soil, silt and rock located in perpetually cold areas which remains frozen year-round. Though a thin layer may thaw during summer months, the majority of the permafrost in a ...

permafrost

Geography; Physical geography

Frozen ground. Varies widely in scope and depth and in the period of the year for which it exists. A common feature of periglacial environments. See continuous permafrost, ...

sludge

Places; Arctic

Ice of the consistence of thick honey, offering little impediment to a ship while in this state, but greatly favoring the formation of a "bay-floe."

stream

Places; Arctic

A long and narrow, but generally continuous, collection of loose ice.

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 ...