permafrost layer

Related
  • frozenSolidified by extreme cold
  • tundraFrigid treeless biome
  • arcticOf extreme northern cold
  • thawReturn to liquid
  • iceWater's solid form

soil · melt · Siberia · carbon · methane · climate · buried · ancient · Alaska · ground · cold · deep · peat · boreal · mammoth · taiga · glacier · warming

Opposites
ground thermal state

permafrost layertropical soil

Earth near the equator

desert sand · laterite

thermal state of ground

permafrost layermolten rock

magma

Familiarity
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