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SNOW ACCUMULATION RATE AT SN∅FJELLAFONNA, NORTHWESTERN SPITSBERGEN, SVALBARD
https://doi.org/10.15094/00003863
https://doi.org/10.15094/0000386388700e07-ab27-43f7-b703-3e3cb7f471b0
名前 / ファイル | ライセンス | アクション |
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KJ00000767971 (78.4 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1994-11-01 | |||||
タイトル | ||||||
タイトル | SNOW ACCUMULATION RATE AT SN∅FJELLAFONNA, NORTHWESTERN SPITSBERGEN, SVALBARD | |||||
言語 | ||||||
言語 | eng | |||||
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 | 10.15094/00003863 | |||||
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) | |||||
記事種別(英) | ||||||
en | ||||||
ABSTRACT | ||||||
論文名よみ | ||||||
その他のタイトル | SNOW ACCUMULATION RATE AT SN∅FJELLAFONNA, NORTHWESTERN SPITSBERGEN, SVALBARD | |||||
著者名よみ |
カメダ, タカオ
× カメダ, タカオ× タカハシ, シュウヘイ× イズミ, カオル× アズマ, クミコ× コウシマ, シロウ× ワタナベ, オキツグ / |
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著者名(英) |
KAMEDA, Takao
× KAMEDA, Takao× TAKAHASHI, Shuhei× IZUMI, Kaoru× AZUMA, Kumiko× KOHSHIMA, Shiro× WATANABE, Okitsugu× HAGEN, Jon Ove |
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著者所属(英) | ||||||
en | ||||||
Kitami Institute of Technology | ||||||
著者所属(英) | ||||||
en | ||||||
Kitami Institute of Technology | ||||||
著者所属(英) | ||||||
en | ||||||
Research Institute for Hazards in Snowy Areas, Niigata University | ||||||
著者所属(英) | ||||||
en | ||||||
Nagaoka Institute of Snow and Ice Studies, NIED | ||||||
著者所属(英) | ||||||
en | ||||||
Biological Laboratory, Faculty of Science, Tokyo Institute of Technology | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
著者所属(英) | ||||||
en | ||||||
Norwegian Polar Research Institute | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Two ice cores (83.92 m and 24.41 m depth) were obtained at one of the highest areas in northwestern Spitsbergen in Svalbard (Snφfjellafonna) by the Japanese Arctic Glaciological Expedition 1992,with cooperation from the Norwegian Polar Research Institute. Water samples were prepared for chemical and biological analyses at 15 cm intervals from the surface to 44.14 m depth in the 83.92 m ice core. The rest of the ice cores were stored in a cold room at Ny-Alesund, Svalbard. Tritium concentration of the 83.92 m ice core was continuously measured from 16.87 m depth to 28.195 m depth at 15cm intervals. The highest peak of the Tritium concentration was found in the depth range between 20.49m and 20.635m. This layer probably corresponds to the 1963 layer which is known to be the highest peak layer of the Tritium concentration in the Greenland Ice Sheet. The mean annual accumulation rate above the 1963 layer was calculated to be 0.48 m/year in water equivalent. Electrical conductivity (EC) of the same ice core was also measured at the same interval from the surface to 44.14 m depth. 31 major peaks of EC were observed from the surface to the 1963 layer (20.635 m depth), which corresponds to 0.45 m/peak in water equivalent. Thus, most of the peaks are probably identical with annual layer boundaries at which ions in firn/ice are concentrated. 25 major peaks of EC were observed from 20.64m to 44.14m depth. Assuming that the 56 (=31+25) peaks of EC are annual layer boundaries, the ice at 44.14m depth should have been deposited in the mid-1930s. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10756213 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology 巻 8, p. 206, 発行日 1994-11 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |