日本雪工学会誌
Online ISSN : 1882-4358
Print ISSN : 0913-3526
ISSN-L : 0913-3526
蔵王山のアイスモンスター(樹氷)
矢野 勝俊
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ジャーナル フリー

1989 年 5 巻 2 号 p. 23-32

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"Ice monster" are the product of a peculiar icing phenomenon that is seen only in certain mountain areas in Tohoku Distrct, including Mt. Zao, Mt. Hatimanntai.
The ice-snow accretion (Ice monster) in Mt. Zao results from both icing and snow accretion and is a complicated compound phenomenon which requires wide-ranged experiments and observations to be explained and overcome. In this study, attention was directed to the environmental conditions that facilitate the development of ice monster, based on the topography of Mt. Zao, meteorological conditions, depth of the snow cover, and observations of the growth process of this peculiar phenomenon.
Several types of models for the Abies mariesii were prepered in order to determine the collection efficiency of snow particles and supercooled water droplets by these models. The observations were carried out on the development of ice-snow accretion. They shed light on unknown factors in the growth of the ice monster. Experiments were conducted at a low-temperature laboratory and a field station in Mt. Zao. The process of growth, rates of growth, adhering state of snow, etc., were measured ; and the data obtained were compared and discussed.

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