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pore ice
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pore ice

geology
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Quick Summary

Pore ice is a type of ground ice found in permafrost. It forms when pore water within the ground freezes in place without any additional water being added. The amount of ice in the solid state is limited to what the ground could hold in its liquid state.1

Pore ice is distinct from segregated ice, which grows by drawing water into the freezing ground. It is also different from foliated ice (ice wedges), pingo ice, and buried ice, which have different formation processes and characteristics. Pore ice, along with segregated ice, can be found in both seasonally frozen ground and permafrost. It is a significant component of permafrost, particularly in certain regions like the Arctic Coastal Plain of Alaska, where it constitutes a substantial portion of the ice content below a certain depth.1

Summary created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
7 Britannica Sources
  1. permafrost - Types of ground ice
  2. glacial landform - Permafrost , patterned ground, solifluction deposits, and pingos
  3. iceberg - Impact on ocean structure
  4. sea ice
  5. pore
  6. ground ice
  7. ice formation

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