Ground frost refers to the various coverings of ice produced by the direct deposition of water vapor on objects and trees, whose surfaces have a temperature below the freezing point of water (0 °C, 32 °F). If the frost does not melt completely during the summer, it is called permafrost.
Ground frost refers to the various coverings of ice produced by the direct deposition of water vapor on objects and trees, whose surfaces have a temperature below the freezing point of water (0 °C, 32 °F). If the frost does not melt completely during the summer, it is called permafrost.
Source: Wikipedia "Ground frost" · CC BY-SA 4.0
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