Deposition (meteorology)
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Deposition is the process by which, in sub-freezing air, water vapor changes directly to ice without first becoming a liquid. This is how snow forms in clouds, as well as frost and hoar frost on the ground. The reverse of deposition is sublimation.
External link
- National Science Digital Library - Deposition (http://www.nsdl.arm.gov/Library/glossary.shtml#deposition)
- Physicshypertextbook - Phase Changes (http://hypertextbook.com/physics/thermal/pressure-temperature/)