Phenomena and Processes

Permafrost

Perennially frozen layer of soil below the surface in tundra.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Perennially frozen layer of soil below the surface in tundra.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

7 entry terms
  • Permafrost Soil
  • Permafrost Soils
  • Permafrosts
  • Soil, Permafrost
  • Soils, Permafrost
  • Permafrost Region
  • Permafrost Zone

MeSH Record

Aspects Covered

6 allowable subheadings

Indexed with the subheadings chemistry, classification, microbiology, parasitology, standards, virology.

MeSH Record

History Note

2015

MeSH Record

Previous Indexing

  • Arctic Regions (1964-2014)
  • Cold Climate (1964-2014)
  • Soil (2000-2014)

MeSH Hierarchy

Tree Numbers

  1. G01w.311.820w.500w
  2. G16.500.275w.157w.718w.500w
  3. G16.500.275w.815w.500w
  4. N06.230w.124w.531w.500w
  5. N06.230w.600w.500w

AMA Style

References

  1. National Library of Medicine. Permafrost. Medical Subject Headings (MeSH). 2026. Unique ID D065946. http://id.nlm.nih.gov/mesh/2026/D065946
  2. Permafrost. In: Wikipedia. https://en.wikipedia.org/wiki/Permafrost
  3. Permafrost. In: Wikidata. https://www.wikidata.org/wiki/Q179918