retrogressive thaw slump
Link: http://w3id.org/permafrost/v/ipaglossary/t0278
Within: IPA Permafrost Glossary
Definition: A slope failure resulting from thawing of ice-rich permafrost (see Figure 21c, d).
| Term |
glissement régressif dû au dégel
fr
retrogressive thaw slump en |
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| Comment |
Retrogressive thaw slumps consist of a steep headwall that retreats in a retrogressive fashion due to thawing, and a debris flow formed by the mixture of thawed sediment and meltwater that slides down the face of the headwall and flows away. Such slumps are common in ice-rich glaciolacustrine sediments and fine- grained diamictons.
en
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| dcterms:source |
https://doi.org/10.4224/20386561
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| skos:altLabel |
retrogressive-thaw flow slide
en
bi-modal flow en thermocirque en thermo-erosional cirque en ground-ice slump en ice slump en |