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EnvThes - Thesaurus for long term ecological research, monitoring and experiments

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Concept information

... > entity > material entity > organizational unit > ecosystem > soil type > permafrost

Preferred term

permafrost  

Definition

  • [Henderson's] n. a layer of permanently frozen soil, usually sub-surface, which occurs where temperatures are low enough, and which is a feature of the tundra in polar regions. It is generally covered in warmer months with a thin partially melted layer, which in the tundra supports a vegetation of mosses, lichens, grasses and small herbaceous plants. The permafrost layer may be up to hundreds of metres thick.

Broader concept

Note

  • [controlled by ] Heikki Hamalainen

Scope note

  • US LTER controlled vocabulary

Creator

  • herbert.schentz@umweltbundesamt.at

URI

http://vocabs.lter-europe.net/EnvThes/20919

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RDF/XML TURTLE JSON-LD Created 3/31/16, last modified 2/14/19