P1.31 Metamorphosis of Disk Plate Snow Crystal

Monday, 28 June 2010
Exhibit Hall (DoubleTree by Hilton Portland)
Hisashi Shio, Hokkaido Univ., Kita-ku, Japan

In a valley surrounded by three low mountains in all night long stars-sky in ambient temperature of nearly -30 degrees C, atmosphere upon the snow ground became to be supersation 0%, and then the growing of snow crystal, its sublimating were simultaneously stopped, the metamorphosis phenomena made slow progress on a hexagonal plate snow crystal then. Namely, components of snow crystal were moved from one position on crystallization to other, so that the hexagonal plate with a minute stellar crystal transferred to a larger round plate with a minute hexagonal plate.
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