debris flow
Link: http://w3id.org/permafrost/v/ipaglossary/t0067
Within: IPA Permafrost Glossary
Definition: A sudden and destructive variety of landslide, in which loose material on a slope, with more than 50 percent of particles larger than sand size, is mobilized by saturation and flows down a channel or canyon.
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debris flow
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The water content of debris flows may range from 10 to over 50 percent by volume. They may transport huge boulders for great distances down gentle slopes. Debris flows also occur in non-permafrost areas.
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https://doi.org/10.4224/20386561
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