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Glossary Index

Avalanche Institute


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Melt Freeze Metamorphism

Also: Melt-Freeze Cycle

Metamorphism which results from one or (more commonly) more cycles of melting followed by refreezing.

One sequence of melting conditions followed by freezing conditions is called a melt-feeze cycle. This is usually diurnal with melt occuring starting in mid-morning or early aftrenoon and freezing starting when the sun goes down.

A short period of melt-freeze metamorphism can create a melt-freeze crust. A longer period of melt-freeze metamorphism leads to a well supported surface of corn snow, usually (but not always) in the spring.

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