| skos:altLabel | - continuous
- discontinuous
- frozen
- Permafrost Thawing
- Permafrost thaws
- Permafrost#Alpine permafrost
- Permafrost#Climate change effects
- Permafrost#Climate_change_effects
- Permafrost#Continuous permafrost
- Permafrost#Discontinuous permafrost
- area where permafrost cannot thaw
- cold-based
- continuous permafrost
- continuously frozen
- discontinuous permafrost zone
- frozen land
- frozen permanently
- frozen under-soil
- frozen year round
- ground ice
- perennially frozen ground
- perma-frost
- permafrost
- permafrost deposits
- permafrost melting
- permafrost research
- permafrost zone
- permanently frozen
- thawing of permafrost
- massive release of methane and other greenhouse gases from thawing soils
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