Item: On the metamorphism, morphology ajid microstructure of snow
Title: On the metamorphism, morphology ajid microstructure of snow
Proceedings: 1986 International Snow Science Workshop, Lake Tahoe, California, USA
Authors: R. Perla and R.A. Sommerfeld
Abstract: The tendency for snow microstructure to reduce surface energy via sintering and crystal growth (ET-metamorphism) is discussed using solutions to a simple rate equation. ET-metamorphism is contrasted with temperature gradient (TG-) metamorphism whereby the microstructure attempts to remove the gradient via a positive feedback mechanism which causes exaggerated growth. Metamorphism in the presence of the liquid phase (melt-freeze metamorphism) is discussed briefly.
Keywords: snow, surface energy, crystal growth
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