|Permafrost Glossary Word:||
Active-layer Detachment Slide
Shallow landslides that develop in permafrost areas, involving reduction in effective stress and strength at the contact between a thawing overburden and underlying frozen material. Active-layer detachment slides can occur in response to high seasonal air temperature, summer rainfall events, rapid melting of snowcover, or surface disturbances See Lewkowicz (1992).
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