福井地方の平地積雪の観測結果について
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概要
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The photomicrographic observations on the particles of deposited snow were carried out from Jan. 13th to Jan. 20th, 1967, in the campus of Fukui University. At the same time, the measurements of density of snow were also made. From the 14th to the 17th, the snow lay about 85 cm deep, and on the 17th the total depth attained to about 97 cm in height.<BR>By the photomicrographic observations, it was proved that the deposited snow changed rapidly to the compressed state in three days after the snow fall. On the 18th as the temperature was raised to 3-4°C from below zero, the state changing was accelerated, and the deposited snow was identified into three principal layers. It rained on the 19th, which permeated into and transformed the snow particles into granular ones. On the 20th, all the snow layers became wet and the depth of snow decreased to 57 cm.
- 社団法人 日本雪氷学会の論文