Descriptor English: Permafrost
Descriptor Spanish: Hielos Perennes
Descriptor permafrost
Scope note: Capa de suelo o roca en la que la temperatura se ha mantenido bajo cero grado Celsius por lo menos algunos años. (Traducción libre del original: Material II - IDNDR, 1992)
Descriptor Portuguese: Pergelissolo
Descriptor French: Pergélisol
Entry term(s): Permafrost Region
Permafrost Soil
Permafrost Soils
Permafrost Zone
Soil, Permafrost
Soils, Permafrost
Tree number(s): G01.311.820.500
RDF Unique Identifier:
Scope note: Perennially frozen layer of soil below the surface in tundra.
Allowable Qualifiers: CH chemistry
CL classification
MI microbiology
PS parasitology
ST standards
VI virology
Previous Indexing: Arctic Regions (1964-2014)
Cold Climate (1964-2014)
Soil (2000-2014)
Public MeSH Note: 2015
History Note: 2015
DeCS ID: 34745
Unique ID: D065946
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 2015/01/01
Date of Entry: 2014/06/26
Revision Date: 2014/06/13
Permafrost - Preferred
Concept UI M0591856
Scope note Perennially frozen layer of soil below the surface in tundra.
Preferred term Permafrost
Entry term(s) Permafrost Soil
Permafrost Soils
Soil, Permafrost
Soils, Permafrost
Permafrost Region - Related but not broader or narrower
Concept UI M0593010
Preferred term Permafrost Region
Entry term(s) Permafrost Zone

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