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EARTH SCIENCE > LAND SURFACE > FROZEN GROUND > GROUND ICE
Definition:
A general term referring to all types of ice contained in freezing and frozen
ground. Ground ice occurs in pores, cavities, voids or other openings in soil
or rock and includes massive ice. It may occur as lenses, wedges, veins,
sheets, seams, irregular masses, or as individual crystals or coatings on
mineral or organic particles. Perennial ground ice can only occur within
permafrost bodies.
Reference:
From the National Snow and Ice Data Center (NSIDC): http://nsidc.org
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