frozen ground or permafrost

permacrete

an artificial mixture of frozen soil materials cemented by pore ice, which forms a concrete-like construction material used in cold regions.
Topic: 
frozen ground or permafrost

periglacial processes

processes associated with frost action in cold, nonglacial environments.
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frozen ground or permafrost
glaciers

periglacial phenomena

landforms and soil characteristics produced by periglacial processes.
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frozen ground or permafrost
glaciers

periglacial

the conditions, processes and landforms associated with cold, nonglacial environments.
Topic: 
frozen ground or permafrost
glaciers

pereletok

a layer of frozen ground which forms as part of the seasonally frozen ground (in areas free of permafrost or with a lowered permafrost table); remains frozen throughout one or several summers, and then thaws.
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frozen ground or permafrost

peatland

peat-covered terrain.
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frozen ground or permafrost

peat plateau

a generally flat-topped expanse of peat, elevated above the general surface of a peatland, and containing segregated ice that may or may not extend downward into the underlying mineral soil.
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frozen ground or permafrost

peat hummock

a hummock consisting of peat.
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frozen ground or permafrost

peat

a deposit consisting of decayed or partially decayed humified plant remains.
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frozen ground or permafrost

patterned ground

a general term for any ground surface exhibiting a discernibly ordered, more or less symmetrical, morphological pattern of ground and, where present, vegetation.
A photograph taken from the air reveals patterned ground surrounding thaw lakes in Alaska’s Arctic National Wildlife Refuge. —Credit: U.S. Fish and Wildlife Service
Topic: 
frozen ground or permafrost

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