Item type |
紀要論文(ELS) / Departmental Bulletin Paper(1) |
公開日 |
1984-12-01 |
タイトル |
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言語 |
en |
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タイトル |
Ice cyrstals grown from the vapor at temperatures lower than -15゜C |
言語 |
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言語 |
eng |
資源タイプ |
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資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
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資源タイプ |
departmental bulletin paper |
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内容記述タイプ |
Other |
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内容記述 |
P(論文) |
著者名(英) |
Yamashita, Akira
Asano, Asaharu
Ohno, Takayuki
Wada, Makoto
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著者所属(英) |
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en |
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Department of Earth Science, Osaka Kyoiku University |
著者所属(英) |
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en |
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Department of Earth Science, Osaka Kyoiku University |
著者所属(英) |
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en |
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Department of Earth Science, Osaka Kyoiku University |
著者所属(英) |
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en |
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National Institute of Polar Research |
抄録(英) |
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内容記述タイプ |
Other |
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内容記述 |
By analyzing photomicrographs, the nature of ice crystals grown at temperatures lower than -15℃ was studied first. It was found that in the initial stage of growth, the frequency of occurrence of single-crystalline ice decreases as the temperature decreases although the type of nuclei and method of seedings affects it considerably, and that at temperatures below about -17℃, the lower the temperature the greater the growth rate of polycrystalline ice as compared to that of single-crystalline ice. Second, large ice crystals were grown in an unforced air flow cloud chamber and the nature of polycrystalline ice growing at temperatures lower than about -20℃ was investigated with the following findings : the most prominent polycrystals are those with a sharp growing tip and having a few or many side branches; the most abundant polycrystals are those having a smaller growth rate than the former and being composed of a single or several radially grown branches of assemblages of plates, columns or irregular crystals; radially grown polycrystals are very fragile. |
雑誌書誌ID |
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収録物識別子タイプ |
NCID |
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収録物識別子 |
AA00733561 |
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue
巻 34,
p. 96-103,
発行日 1984-12
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