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南極の斜面下降風域におけるサスツルギやドリフトの消耗について(日本南極地域観測隊の報告)
https://doi.org/10.15094/00007654
https://doi.org/10.15094/0000765486408875-c992-4504-a4e7-15ffcd6ff59c
名前 / ファイル | ライセンス | アクション |
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KJ00002476654 (4.5 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1972-03-01 | |||||
タイトル | ||||||
タイトル | 南極の斜面下降風域におけるサスツルギやドリフトの消耗について(日本南極地域観測隊の報告) | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Some Aspects of Ablation of Sastrugi and Drifts in the Area Subjected to Katabatic Winds in Antarctica (Reports of the Japanese Antarctic Research Expedition) | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00007654 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
論文名よみ | ||||||
その他のタイトル | ナンキョク ノ シャメン カコウフウ イキ ニオケル サスツルギ ヤ ドリフト ノ ショウモウ ニ ツイテ ニホン ナンキョク チイキ カンソクタイ ノ ホウコク | |||||
著者名(日) |
上田, 豊
× 上田, 豊 |
|||||
著者名(英) |
AGETA, Yutaka
× AGETA, Yutaka |
|||||
著者所属(日) | ||||||
名古屋大学理学部水質科学研究施設 | ||||||
著者所属(英) | ||||||
en | ||||||
Water Research Laboratory, Faculty of Science, Nagoya University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The observations were made on net ablation of some of sastrugi and drifts (like barchanoids) in the area subjected to strong katabatic winds between 100 and 200 km inland from the Antarctic coast near Syowa Station in September and November, 1969 and in January, 1970 by means of the stake measurements. The net ablation of hard sastrugi during the period from November to January (mean 2.8 cm/month) was larger than that from September to November (mean 0.7 cm/month). The large amount of ablation from November to January may be attributed to the increase of solar radiation which accelerates sublimation-deflation on the surface of sastrugi. On the other hand, net ablation of soft sastrugi and drifts from September to November was larger than that from November to January. The large amount of ablation from September to November may be attributed to the strong erosion by the wind, since sastrugi and drifts were soft. Since they were hardened or flattened after erosion by the wind from September to November, the ablation from November to January was not larger than that from September to November. Since the rate of ablation at the top of sastrugi and drifts was higher than that at the surrounding surface in late spring and summer, and the bulk of yearly accumulation is deposited in autumn and winter, it can be said that surface irregularities are supposed to be built up in winter, then smoothed in summer. The best season for yearly stake measurements is considered to be the end of summer when the more accurate value of mean net accumulation may be expected since surface irregularities are less than any other season. Gow (1965) and WELLER (1969) gave some explanation for the higher rate of net ablation of sastrugi than the surrounding surface at the South Pole and Plateau Station. However, since the area of this report is located where the katabatic winds are strong as mentioned above, the situation is different from their case. According to the logarithmic increase of wind velocity, the top of sastrugi is expected to be subjected to stronger winds, hence greater wind erosion, than the surrounding surface. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00181831 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00857289 | |||||
書誌情報 |
南極資料 巻 43, p. 8-19, 発行日 1972-03 |
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国際十進分類法 | ||||||
主題Scheme | UDC | |||||
主題 | 551.32 | |||||
出版者 | ||||||
出版者 | 国立極地研究所 |