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Firnification (Snow to ice conversion) As snow is progressively buried by further snowfall it becomes compacted and eventually metamorphoses into ice. Key change = air passages are sealed off at a density of ~ 830 kg m-3. At depth depending on water, temperature, pressure.

Also See


  • 1 The Snow Life-Cycle [1]
  • 2. Wiki answers What is firnification? [2]
  • 3. Workshop on the Microstructure and Properties of Firn Dartmouth College, Hanover, NH March 10-11, 2008 [3]

Return to Snow and Weather Glossary, Working with Snow, Freestyle Skiing

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