relict active layer
Link: http://w3id.org/permafrost/v/ipaglossary/t0270
Within: IPA Permafrost Glossary
Definition: A layer of ground, now perennially frozen, lying immediately below the modern active layer. Its thickness indicates the greater annual depth of thaw that occurred during a previous period.
| Term |
relict active layer
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| Comment |
The base of the relict active layer is a thaw unconformity, which may be recognized by differences in ice contents, stable isotope contents, and heavy mineral and pollen assemblages above and below the unconformity, and by the truncation of ice bodies.
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| dcterms:source |
https://doi.org/10.4224/20386561
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