| ID | |
| Preferred Name |
permafrost |
| Definitions |
[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. |
| Obsolete |
true |
| In Schemes | |
| Type |
http://www.w3.org/2004/02/skos/core#Concept |
| scopeNote | US LTER controlled vocabulary |
| creator | |
| 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. |
| note | [controlled by ] Heikki Hamalainen |
| isReplacedBy | |
| prefLabel | permafrost |
| created | 2016-03-31 |
| broader | |
| deprecated | true |
| modified | 2022-03-21 |
| exactMatch |
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