Journal of the Japanese Society of Snow and Ice
Online ISSN : 1883-6267
Print ISSN : 0373-1006
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Volume 20, Issue 6
Displaying 1-5 of 5 articles from this issue
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  • Mechanical Properties of Ice
    YOSHIMITSU KUBO
    1958 Volume 20 Issue 6 Pages 161-165
    Published: 1958
    Released on J-STAGE: September 04, 2009
    DOIhttps://doi.org/10.5331/seppyo.20.161
    JOURNAL FREE ACCESS
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    Mechanical properties of ice are tested about the natural ice of the River Sungari, Manchuria. Considering the relation between the loading direction and the crystal axis of ice, the strength and the elastic modulus of ice for tension, compression, bending and shear are obtained varying the temperature of ice from 0°C to-30°C.
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  • Measurment of Water Equivalent of Snow Cover by Snow Balance
    RIKITA INOUE
    1958 Volume 20 Issue 6 Pages 166-173
    Published: 1958
    Released on J-STAGE: September 04, 2009
    DOIhttps://doi.org/10.5331/seppyo.20.166
    JOURNAL FREE ACCESS
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    The water equivalent of snow cover during the winter season of 1957-1958 at the experimental field of the institute of Low Temperature Science, Hokkaido University, Sapporo, was observed by “Snow Balance”, a newly designed snow gage.
    This new type snow gage was designed by Mr. S, Tamura, Weather Instrument Laboratory, Meteorological Research Institute.
    It is consisted mainly of 8 triangular plate, adjunct each other to form a regular octagon and set flush on the ground, and a ring balance which supports the center of the octagon.
    Each triangular plate can move at the center around the circumference of the octagon and thus the ring balance can measure the weight of the snow deposit on the plates.
    The strain of the ring is magnified mechanically by 62 times and recorded on the drum which set 4 meters away from the center of the plates.
    From the result of the analysis of the record and check with the snow sampling, this snow balance was considered fully practicable in the field use.
    Simple theoretical consideration of this snow gage, and the interesting results related to this observation was explained.
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  • On the Water Temperature before or after freezing of Lake Tatenoumi, Nagano Pref.
    SHOZO TAKENOUCHI, KOUMEI HAMA, YASUJI FUNATSU
    1958 Volume 20 Issue 6 Pages 174-176
    Published: 1958
    Released on J-STAGE: September 04, 2009
    DOIhttps://doi.org/10.5331/seppyo.20.174
    JOURNAL FREE ACCESS
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    We observed the water temperature and the state of freezing of Lake Tatenoumi for three winters.The main results obtained are as follows :
    (1) The period of the formation of stratification by the convection at Lake Tatenoumi is shorter about four to ten days than Lake Suwa.
    (2) The state of freezing in the lake is complexity. The thickness of ice at freezing over the lake is 5cm in the place with ;thick ice, and 12cm in the place with thin ice.
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  • [title in Japanese]
    [in Japanese]
    1958 Volume 20 Issue 6 Pages 177-178
    Published: 1958
    Released on J-STAGE: September 04, 2009
    DOIhttps://doi.org/10.5331/seppyo.20.177
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1958 Volume 20 Issue 6 Pages 179-182
    Published: 1958
    Released on J-STAGE: September 04, 2009
    DOIhttps://doi.org/10.5331/seppyo.20.179
    JOURNAL FREE ACCESS
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