two-layer permafrost
Link: http://w3id.org/permafrost/v/ipaglossary/t0383
Within: IPA Permafrost Glossary
Definition: Ground in which two layers of permafrost are separated by a layer of unfrozen ground.
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two-layer permafrost
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| Comment |
In two-layer permafrost, the lower permafrost layer may represent relict permafrost remaining from an earlier cold period, whereas the upper permafrost layer represents more recent development of epigenetic permafrost. The intervening unfrozen layer could be a hydrothermal talik or a hydrochemical talik.
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| dcterms:source |
https://doi.org/10.4224/20386561
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