Concept information
Preferred term
frozen ground
Type
-
http://www.irandoc.ac.ir/onto/irandoc-meta/Concept
Broader concept
Definitions
- Perennially and seasonally frozen ground can vary from being partially to extensively frozen depending on the extent of the phase change. It may be described as hard frozen ground, plastic frozen ground, or dry frozen ground, depending on the pore ice and unfrozen water contents and its compressibility under load.
- Soil within which the moisture has predominantly changed to ice, the unfrozen portion being in vapor phase. Ice within the soil bonds (adfreezes) adjacent soil particles and renders frozen ground very hard. Permanently frozen ground is called permafrost. Dry frozen ground is relatively loose and crumbly because of the lack of bonding ice. Frozen ground is sometimes inadvisedly called frost or ground frost.
Obsolete
- false
closeMatch
In other languages
-
Persian
URI
http://www.irandoc.acir/onto/irandoc/SWEETT16296
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